U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch |
Patenting In Metropolitan and Non-Metropolitan Areas of the United States
Breakout By Technology Class
1995 - 1999 Utility Patent Grants
Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From
Pittsburgh, PA MSA
(patent origin is determined by the residence of the first-named inventor)
(technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data')
-----------------------------------------------------------------------------------
Class
428
,
Stock Material or Miscellaneous Articles
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
19
|
17
|
31
|
31
|
24
|
121
|
-----------------------------------------------------------------------------------
Class
524
,
Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
13
|
10
|
17
|
18
|
14
|
72
|
-----------------------------------------------------------------------------------
Class
528
,
Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
10
|
20
|
10
|
13
|
11
|
64
|
-----------------------------------------------------------------------------------
Class
072
,
Metal Deforming
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
14
|
8
|
24
|
11
|
63
|
-----------------------------------------------------------------------------------
Class
210
,
Liquid Purification or Separation
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
18
|
8
|
9
|
12
|
17
|
63
|
-----------------------------------------------------------------------------------
Class
435
,
Chemistry: Molecular Biology and Microbiology
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
10
|
12
|
11
|
12
|
13
|
58
|
-----------------------------------------------------------------------------------
Class
376
,
Induced Nuclear Reactions: Processes, Systems, and Elements
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
13
|
13
|
12
|
11
|
8
|
57
|
-----------------------------------------------------------------------------------
Class
427
,
Coating Processes
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
15
|
10
|
9
|
9
|
12
|
55
|
-----------------------------------------------------------------------------------
Class
361
,
Electricity: Electrical Systems and Devices
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
8
|
9
|
7
|
26
|
55
|
-----------------------------------------------------------------------------------
Class
073
,
Measuring and Testing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
13
|
13
|
9
|
12
|
7
|
54
|
-----------------------------------------------------------------------------------
Class
514
,
Drug, Bio-Affecting and Body Treating Compositions
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
5
|
13
|
10
|
21
|
52
|
-----------------------------------------------------------------------------------
Class
252
,
Compositions
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
13
|
6
|
9
|
11
|
11
|
50
|
-----------------------------------------------------------------------------------
Class
128
,
Surgery
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
17
|
13
|
8
|
10
|
50
|
-----------------------------------------------------------------------------------
Class
029
,
Metal Working
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
11
|
10
|
10
|
8
|
6
|
45
|
-----------------------------------------------------------------------------------
Class
423
,
Chemistry of Inorganic Compounds
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
7
|
6
|
11
|
13
|
8
|
45
|
-----------------------------------------------------------------------------------
Class
148
,
Metal Treatment
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
7
|
9
|
3
|
14
|
12
|
45
|
-----------------------------------------------------------------------------------
Class
525
,
Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
8
|
10
|
12
|
4
|
10
|
43
|
-----------------------------------------------------------------------------------
Class
052
,
Static Structures (e.g., Buildings)
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
7
|
6
|
13
|
10
|
6
|
42
|
-----------------------------------------------------------------------------------
Class
200
,
Electricity: Circuit Makers and Breakers
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
7
|
8
|
5
|
4
|
18
|
41
|
-----------------------------------------------------------------------------------
Class
219
,
Electric Heating
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
10
|
5
|
8
|
10
|
38
|
-----------------------------------------------------------------------------------
Class
335
,
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
10
|
10
|
0
|
9
|
8
|
36
|
-----------------------------------------------------------------------------------
Class
521
,
Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
12
|
5
|
5
|
9
|
4
|
35
|
-----------------------------------------------------------------------------------
Class
075
,
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal
Powder Compositions, and Loose Metal Particulate Mixtures
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
10
|
5
|
5
|
8
|
7
|
35
|
-----------------------------------------------------------------------------------
Class
303
,
Fluid-Pressure and Analogous Brake Systems
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
7
|
11
|
2
|
9
|
6
|
35
|
-----------------------------------------------------------------------------------
Class
405
,
Hydraulic and Earth Engineering
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
12
|
5
|
4
|
7
|
7
|
35
|
-----------------------------------------------------------------------------------
Class
604
,
Surgery
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
5
|
3
|
8
|
12
|
34
|
-----------------------------------------------------------------------------------
Class
164
,
Metal Founding
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
11
|
7
|
5
|
5
|
6
|
34
|
-----------------------------------------------------------------------------------
Class
424
,
Drug, Bio-Affecting and Body Treating Compositions
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
3
|
5
|
10
|
12
|
33
|
-----------------------------------------------------------------------------------
Class
600
,
Surgery
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
8
|
2
|
10
|
9
|
32
|
-----------------------------------------------------------------------------------
Class
160
,
Flexible or Portable Closure, Partition, or Panel
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
8
|
6
|
9
|
4
|
31
|
-----------------------------------------------------------------------------------
Class
205
,
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the
Compositions
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
5
|
3
|
3
|
14
|
31
|
-----------------------------------------------------------------------------------
Class
700
,
Data Processing: Generic Control Systems or Specific Applications
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
6
|
4
|
7
|
12
|
31
|
-----------------------------------------------------------------------------------
Class
137
,
Fluid Handling
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
6
|
5
|
6
|
7
|
29
|
-----------------------------------------------------------------------------------
Class
248
,
Supports
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
4
|
7
|
7
|
6
|
29
|
-----------------------------------------------------------------------------------
Class
204
,
Chemistry: Electrical and Wave Energy
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
4
|
6
|
3
|
10
|
28
|
-----------------------------------------------------------------------------------
Class
250
,
Radiant Energy
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
10
|
4
|
2
|
9
|
3
|
28
|
-----------------------------------------------------------------------------------
Class
606
,
Surgery
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
6
|
5
|
5
|
5
|
26
|
-----------------------------------------------------------------------------------
Class
340
,
Communications: Electrical
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
3
|
4
|
6
|
11
|
26
|
-----------------------------------------------------------------------------------
Class
429
,
Chemistry: Electrical Current Producing Apparatus, Product, and Process
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
6
|
4
|
4
|
6
|
26
|
-----------------------------------------------------------------------------------
Class
065
,
Glass Manufacturing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
2
|
4
|
7
|
7
|
24
|
-----------------------------------------------------------------------------------
Class
701
,
Data Processing: Vehicles, Navigation, and Relative Location
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
3
|
8
|
4
|
5
|
24
|
-----------------------------------------------------------------------------------
Class
246
,
Railway Switches and Signals
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
8
|
6
|
7
|
0
|
24
|
-----------------------------------------------------------------------------------
Class
264
,
Plastic and Nonmetallic Article Shaping or Treating: Processes
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
8
|
2
|
6
|
2
|
24
|
-----------------------------------------------------------------------------------
Class
106
,
Compositions: Coating or Plastic
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
6
|
6
|
6
|
1
|
23
|
-----------------------------------------------------------------------------------
Class
501
,
Compositions: Ceramic
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
7
|
5
|
3
|
6
|
2
|
23
|
-----------------------------------------------------------------------------------
Class
707
,
Data Processing: Database and File Management, Data Structures, or Document Processing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
4
|
4
|
1
|
13
|
22
|
-----------------------------------------------------------------------------------
Class
359
,
Optics: Systems (Including Communication) and Elements
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
4
|
0
|
9
|
2
|
21
|
-----------------------------------------------------------------------------------
Class
266
,
Metallurgical Apparatus
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
3
|
5
|
5
|
3
|
21
|
-----------------------------------------------------------------------------------
Class
426
,
Food or Edible Material: Processes, Compositions, and Products
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
6
|
3
|
0
|
8
|
20
|
-----------------------------------------------------------------------------------
Class
324
,
Electricity: Measuring and Testing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
6
|
5
|
5
|
1
|
20
|
-----------------------------------------------------------------------------------
Class
702
,
Data Processing: Measuring, Calibrating, or Testing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
6
|
6
|
3
|
3
|
20
|
-----------------------------------------------------------------------------------
Class
419
,
Powder Metallurgy Processes
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
4
|
5
|
5
|
4
|
19
|
-----------------------------------------------------------------------------------
Class
280
,
Land Vehicles
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
3
|
1
|
3
|
8
|
18
|
-----------------------------------------------------------------------------------
Class
473
,
Games Using Tangible Projectile
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
4
|
0
|
5
|
7
|
18
|
-----------------------------------------------------------------------------------
Class
526
,
Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
3
|
2
|
7
|
6
|
18
|
-----------------------------------------------------------------------------------
Class
257
,
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes)
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
2
|
2
|
6
|
6
|
17
|
-----------------------------------------------------------------------------------
Class
156
,
Adhesive Bonding and Miscellaneous Chemical Manufacture
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
1
|
4
|
4
|
4
|
17
|
-----------------------------------------------------------------------------------
Class
211
,
Supports: Racks
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
5
|
2
|
2
|
5
|
17
|
-----------------------------------------------------------------------------------
Class
523
,
Synthetic Resins or Natural Rubbers -- Part of the Class 520 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
4
|
2
|
5
|
1
|
17
|
-----------------------------------------------------------------------------------
Class
422
,
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
3
|
0
|
5
|
3
|
17
|
-----------------------------------------------------------------------------------
Class
432
,
Heating
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
1
|
3
|
4
|
5
|
17
|
-----------------------------------------------------------------------------------
Class
002
,
Apparel
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
4
|
4
|
3
|
4
|
15
|
-----------------------------------------------------------------------------------
Class
502
,
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
5
|
0
|
5
|
3
|
15
|
-----------------------------------------------------------------------------------
Class
705
,
Data Processing: Financial, Business Practice, Management, or Cost/Price Determination
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
0
|
1
|
5
|
9
|
15
|
-----------------------------------------------------------------------------------
Class
588
,
Hazardous or Toxic Waste Destruction or Containment
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
4
|
4
|
2
|
0
|
15
|
-----------------------------------------------------------------------------------
Class
174
,
Electricity: Conductors and Insulators
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
2
|
3
|
4
|
2
|
14
|
-----------------------------------------------------------------------------------
Class
345
,
Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display
Systems
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
3
|
1
|
5
|
5
|
14
|
-----------------------------------------------------------------------------------
Class
370
,
Multiplex Communications
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
4
|
2
|
1
|
5
|
14
|
-----------------------------------------------------------------------------------
Class
251
,
Valves and Valve Actuation
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
4
|
1
|
4
|
4
|
13
|
-----------------------------------------------------------------------------------
Class
273
,
Amusement Devices: Games
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
6
|
2
|
3
|
2
|
0
|
13
|
-----------------------------------------------------------------------------------
Class
362
,
Illumination
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
2
|
3
|
5
|
2
|
13
|
-----------------------------------------------------------------------------------
Class
363
,
Electric Power Conversion Systems
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
2
|
5
|
2
|
3
|
13
|
-----------------------------------------------------------------------------------
Class
395
,
Information Processing System Organization
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
1
|
1
|
3
|
7
|
13
|
-----------------------------------------------------------------------------------
Class
451
,
Abrading
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
7
|
1
|
3
|
1
|
13
|
-----------------------------------------------------------------------------------
Class
218
,
High-Voltage Switches with Arc Preventing or Extinguishing Devices
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
4
|
2
|
1
|
1
|
12
|
-----------------------------------------------------------------------------------
Class
220
,
Receptacles
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
0
|
4
|
6
|
1
|
12
|
-----------------------------------------------------------------------------------
Class
382
,
Image Analysis
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
1
|
2
|
3
|
6
|
12
|
-----------------------------------------------------------------------------------
Class
239
,
Fluid Sprinkling, Spraying, and Diffusing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
1
|
2
|
7
|
2
|
12
|
-----------------------------------------------------------------------------------
Class
439
,
Electrical Connectors
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
1
|
2
|
1
|
5
|
12
|
-----------------------------------------------------------------------------------
Class
323
,
Electricity: Power Supply or Regulation Systems
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
2
|
2
|
3
|
3
|
11
|
-----------------------------------------------------------------------------------
Class
342
,
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation)
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
1
|
1
|
7
|
2
|
11
|
-----------------------------------------------------------------------------------
Class
095
,
Gas Separation: Processes
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
5
|
1
|
0
|
1
|
4
|
11
|
-----------------------------------------------------------------------------------
Class
206
,
Special Receptacle or Package
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
2
|
2
|
4
|
3
|
11
|
-----------------------------------------------------------------------------------
Class
222
,
Dispensing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
3
|
2
|
1
|
2
|
11
|
-----------------------------------------------------------------------------------
Class
414
,
Material or Article Handling
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
3
|
1
|
0
|
4
|
11
|
-----------------------------------------------------------------------------------
Class
062
,
Refrigeration
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
1
|
2
|
1
|
4
|
11
|
-----------------------------------------------------------------------------------
Class
307
,
Electrical Transmission or Interconnection Systems
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
2
|
3
|
2
|
3
|
11
|
-----------------------------------------------------------------------------------
Class
105
,
Railway Rolling Stock
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
1
|
3
|
2
|
2
|
10
|
-----------------------------------------------------------------------------------
Class
162
,
Paper Making and Fiber Liberation
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
4
|
2
|
2
|
0
|
10
|
-----------------------------------------------------------------------------------
Class
198
,
Conveyors: Power-Driven
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
1
|
4
|
2
|
2
|
10
|
-----------------------------------------------------------------------------------
Class
213
,
Railway Draft Appliances
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
4
|
3
|
0
|
1
|
2
|
10
|
-----------------------------------------------------------------------------------
Class
568
,
Organic Compounds -- Part of the Class 532-570 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
4
|
1
|
1
|
2
|
10
|
-----------------------------------------------------------------------------------
Class
110
,
Furnaces
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
3
|
2
|
4
|
1
|
10
|
-----------------------------------------------------------------------------------
Class
092
,
Expansible Chamber Devices
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
0
|
3
|
2
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
294
,
Handling: Hand and Hoist-Line Implements
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
1
|
3
|
2
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
074
,
Machine Element or Mechanism
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
5
|
0
|
1
|
1
|
9
|
-----------------------------------------------------------------------------------
Class
043
,
Fishing, Trapping, and Vermin Destroying
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
4
|
1
|
2
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
296
,
Land Vehicles: Bodies and Tops
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
2
|
0
|
2
|
3
|
9
|
-----------------------------------------------------------------------------------
Class
318
,
Electricity: Motive Power Systems
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
2
|
1
|
1
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
356
,
Optics: Measuring and Testing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
0
|
1
|
5
|
3
|
9
|
-----------------------------------------------------------------------------------
Class
417
,
Pumps
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
3
|
1
|
3
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
436
,
Chemistry: Analytical and Immunological Testing
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
1
|
0
|
3
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
548
,
Organic Compounds -- Part of the Class 532-570 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
3
|
2
|
1
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
709
,
Electrical Computers and Digital Processing Systems: Multiple Computer or Process
Coordinating
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
1
|
0
|
3
|
3
|
9
|
-----------------------------------------------------------------------------------
Class
033
,
Geometrical Instruments
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
3
|
0
|
2
|
2
|
9
|
-----------------------------------------------------------------------------------
Class
119
,
Animal Husbandry
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
1
|
3
|
1
|
4
|
9
|
-----------------------------------------------------------------------------------
Class
348
,
Television
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
1
|
0
|
1
|
4
|
8
|
-----------------------------------------------------------------------------------
Class
560
,
Organic Compounds -- Part of the Class 532-570 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
3
|
0
|
3
|
1
|
8
|
-----------------------------------------------------------------------------------
Class
546
,
Organic Compounds -- Part of the Class 532-570 Series
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
0
|
2
|
2
|
4
|
8
|
-----------------------------------------------------------------------------------
Class
004
,
Baths, Closets, Sinks, and Spittoons
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
0
|
3
|
1
|
3
|
8
|
-----------------------------------------------------------------------------------
Class
014
,
Bridges
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
0
|
3
|
3
|
1
|
8
|
-----------------------------------------------------------------------------------
Class
081
,
Tools
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
3
|
1
|
0
|
4
|
8
|
-----------------------------------------------------------------------------------
Class
104
,
Railways
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
2
|
3
|
1
|
2
|
8
|
-----------------------------------------------------------------------------------
Class
165
,
Heat Exchange
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
1
|
2
|
1
|
2
|
8
|
-----------------------------------------------------------------------------------
Class
184
,
Lubrication
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
3
|
2
|
0
|
2
|
8
|
-----------------------------------------------------------------------------------
Class
299
,
Mining or In Situ Disintegration of Hard Material
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
0
|
3
|
3
|
0
|
8
|
-----------------------------------------------------------------------------------
Class
431
,
Combustion
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
3
|
1
|
3
|
1
|
0
|
8
|
-----------------------------------------------------------------------------------
Class
134
,
Cleaning and Liquid Contact with Solids
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
2
|
1
|
1
|
2
|
8
|
-----------------------------------------------------------------------------------
Class
118
,
Coating Apparatus
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
1
|
2
|
2
|
2
|
8
|
-----------------------------------------------------------------------------------
Class
430
,
Radiation Imagery Chemistry: Process, Composition, or Product Thereof
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
0
|
3
|
2
|
1
|
7
|
-----------------------------------------------------------------------------------
Class
047
,
Plant Husbandry
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
0
|
3
|
1
|
2
|
7
|
-----------------------------------------------------------------------------------
Class
060
,
Power Plants
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
1
|
2
|
0
|
4
|
7
|
-----------------------------------------------------------------------------------
Class
117
,
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus
Therefor
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
0
|
1
|
1
|
2
|
3
|
7
|
-----------------------------------------------------------------------------------
Class
124
,
Mechanical Guns and Projectors
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
1
|
0
|
0
|
2
|
4
|
7
|
-----------------------------------------------------------------------------------
Class
226
,
Advancing Material of Indeterminate Length
Year of Grant ==> |
-- 1995 -- |
-- 1996 -- |
-- 1997 -- |
-- 1998 -- |
-- 1999 -- |
-- Total -- |
# of Patent Grants ==>
|
2
|
0
|
0
|
3
|
2
|
7
|
-----------------------------------------------------------------------------------
Class
337
,
Electricity: Electrothermally or Thermally Actuated Switches