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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2006 - 2010 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

MARYLAND

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed either by year of patent grant or by year of patent application.
Class Class Title 2006 2007 2008 2009 2010 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 142 130 105 153 169 699
435 Chemistry: Molecular Biology and Microbiology 140 102 95 105 143 585
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 49 64 64 33 33 243
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 33 21 30 38 85 207
370 Multiplex Communications 35 31 38 36 52 192
340 Communications: Electrical 35 32 41 39 23 170
455 Telecommunications 37 30 39 24 30 160
532 Organic Compounds (includes Classes 532-570) 28 25 36 36 28 153
382 Image Analysis 20 17 37 24 29 127
128 Surgery (includes Class 600) 18 27 16 20 29 110
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 23 18 20 25 23 109
398 Optical Communications 25 18 21 22 20 106
250 Radiant Energy 25 17 23 16 22 103
375 Pulse or Digital Communications 17 22 21 20 18 98
356 Optics: Measuring and Testing 7 20 18 18 20 83
385 Optical Waveguides 23 14 15 12 14 78
073 Measuring and Testing 19 13 15 17 12 76
436 Chemistry: Analytical and Immunological Testing 12 6 12 14 23 67
713 Support (Electrical Computers and Digital Processing Systems) 17 9 16 12 13 67
714 Error Detection/Correction and Fault Detection/Recovery 8 11 16 13 18 66
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 9 11 12 13 16 61
702 DP: Measuring, Calibrating, or Testing (Data Processing) 14 9 15 12 11 61
707 DP: Database and File Management or Data Structures (Data Processing) 12 9 11 9 18 59
379 Telephonic Communications 20 8 9 7 6 50
438 Semiconductor Device Manufacturing: Process 5 11 9 7 17 49
359 Optical: Systems and Elements 14 11 10 5 7 47
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 9 7 6 9 15 46
324 Electricity: Measuring and Testing 16 8 5 6 9 44
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 7 8 8 7 14 44
726 Information Security 5 8 10 5 15 43
002 Apparel 9 5 10 9 9 42
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 9 9 10 7 7 42
607 Surgery: Light, Thermal, and Electrical Application 5 12 9 6 8 40
252 Compositions 7 12 12 4 4 39
333 Wave Transmission Lines and Networks 9 6 4 9 11 39
310 Electrical Generator or Motor Structure 13 7 1 4 12 37
102 Ammunition and Explosives 5 3 8 11 9 36
345 Computer Graphics Processing and Selective Visual Display Systems 6 9 6 8 7 36
380 Cryptography 13 6 4 6 6 35
473 Games Using Tangible Projectile 6 4 6 6 13 35
029 Metal Working 13 5 3 5 7 33
604 Surgery (Medicators and Receptors) 3 6 4 9 11 33
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 8 10 4 7 3 32
089 Ordnance 3 2 12 5 9 31
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 7 4 6 6 8 31
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 3 3 3 7 15 31
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 4 4 4 8 10 30
482 Exercise Devices 5 6 4 5 10 30
606 Surgery (instruments) 5 3 5 6 11 30
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 3 4 10 4 9 30
210 Liquid Purification or Separation 6 8 3 7 5 29
244 Aeronautics and Astronautics 6 11 3 6 3 29
428 Stock Material or Miscellaneous Articles 12 2 7 2 6 29
451 Abrading 4 9 3 10 3 29
700 DP: Generic Control Systems or Specific Applications (Data Processing) 6 3 8 7 5 29
725 Interactive Video Distribution Systems 5 5 5 5 9 29
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 5 7 4 5 7 28
706 DP: Artificial Intelligence (Data Processing) 4 4 5 7 8 28
114 Ships 10 5 3 4 5 27
173 Tool Driving or Impacting 6 2 5 9 5 27
343 Communications: Radio Wave Antennas 9 5 3 3 7 27
083 Cutting 7 6 4 5 4 26
320 Electricity: Battery or Capacitor Charging or Discharging 3 1 6 7 9 26
423 Chemistry of Inorganic Compounds 5 6 1 3 11 26
239 Fluid Sprinkling, Spraying, and Diffusing 5 5 3 4 8 25
033 Geometrical Instruments 4 8 4 4 4 24
361 Electricity: Electrical Systems and Devices 1 3 5 6 9 24
408 Cutting by Use of Rotating Axially Moving Tool 5 2 2 9 6 24
198 Conveyors: Power-Driven 1 4 3 9 6 23
227 Elongated-Member-Driving Apparatus 2 6 4 3 8 23
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 8 3 1 5 6 23
297 Chairs and Seats 4 4 5 4 6 23
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 3 5 6 7 23
084 Music 0 3 4 9 6 22
367 Communications, Electrical: Acoustic Wave Systems and Devices 6 4 2 3 7 22
378 X-Ray or Gamma Ray Systems or Devices 4 5 7 1 5 22
005 Beds 5 7 2 5 2 21
119 Animal Husbandry 6 3 4 4 4 21
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 3 7 3 6 2 21
015 Brushing, Scrubbing, and General Cleaning 5 4 1 4 6 20
060 Power Plants 2 4 2 5 7 20
241 Solid Material Comminution or Disintegration 3 7 5 4 1 20
280 Land Vehicles 8 4 3 2 3 20
362 Illumination 4 5 5 5 1 20
434 Education and Demonstration 4 3 7 3 3 20
081 Tools 8 6 3 1 1 19
248 Supports (e.g., for holding articles, etc.) 2 2 5 6 4 19
711 Memory (Electrical Computers and Digital Processing Systems) 6 6 1 5 1 19
165 Heat Exchange 4 5 1 3 5 18
030 Cutlery 7 3 2 2 3 17
206 Special Receptacle or Package 2 3 6 3 3 17
273 Amusement Devices: Games 2 4 1 3 7 17
381 Electrical Audio Signal Processing Systems and Devices 5 5 2 1 4 17
717 DP: Software Development, Installation, and Management (Data Processing) 5 0 6 1 5 17
062 Refrigeration 4 1 4 4 3 16
204 Chemistry: Electrical and Wave Energy 4 2 0 3 6 15
106 Compositions: Coating or Plastic 3 5 0 1 5 14
209 Classifying, Separating, and Assorting Solids 1 5 2 1 5 14
351 Optics: Eye Examining, Vision Testing and Correcting 5 2 2 3 2 14
475 Planetary Gear Transmission Systems or Components 2 3 3 3 3 14
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 4 3 4 2 1 14
137 Fluid Handling 5 2 1 2 3 13
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 4 3 4 0 2 13
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 1 2 5 3 13
004 Baths, Closets, Sinks, and Spittoons 6 3 1 0 2 12
043 Fishing, Trapping, and Vermin Destroying 1 2 2 1 6 12
052 Static Structures (e.g., Buildings) 3 3 0 2 4 12
053 Package Making 1 2 6 1 2 12
056 Harvesters 1 2 5 2 2 12
180 Motor Vehicles 0 1 3 3 5 12
208 Mineral Oils: Processes and Products 5 3 1 1 2 12
326 Electronic Digital Logic Circuitry 0 1 2 3 6 12
341 Coded Data Generation or Conversion 5 2 4 0 1 12
348 Television 1 2 3 5 1 12
405 Hydraulic and Earth Engineering 3 3 1 1 4 12
427 Coating Processes 3 0 5 0 4 12
439 Electrical Connectors 5 3 2 0 2 12
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 6 0 1 2 3 12
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 1 3 4 2 11
118 Coating Apparatus 3 3 2 2 1 11
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 4 2 1 3 11
318 Electricity: Motive Power Systems 4 0 1 2 4 11
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 5 2 2 1 11
358 Facsimile and Static Presentation Processing 2 5 1 2 1 11
042 Firearms 1 2 1 2 4 10
074 Machine Element or Mechanism 4 3 0 1 2 10
174 Electricity: Conductors and Insulators 4 2 1 2 1 10
181 Acoustics 0 1 3 3 3 10
220 Receptacles 3 3 1 2 1 10
222 Dispensing (apparatus and process) 2 6 1 0 1 10
279 Chucks or Sockets 0 3 2 1 4 10
296 Land Vehicles: Bodies and Tops 2 4 1 3 0 10
307 Electrical Transmission or Interconnection Systems 2 2 2 3 1 10
404 Road Structure, Process, or Apparatus 1 5 1 2 1 10
040 Card, Picture, or Sign Exhibiting 2 4 2 1 0 9
047 Plant Husbandry 2 0 1 2 4 9
096 Gas Separation: Apparatus 0 5 1 3 0 9
123 Internal-Combustion Engines 4 1 2 1 1 9
135 Tent, Canopy, Umbrella, or Cane 0 3 1 3 2 9
149 Explosive and Thermic Compositions or Charges 1 1 0 1 6 9
372 Coherent Light Generators 2 1 1 4 1 9
417 Pumps 4 1 1 1 2 9
463 Amusement Devices: Games 3 0 2 1 3 9
036 Boots, Shoes, and Leggings 1 2 1 2 2 8
134 Cleaning and Liquid Contact with Solids 1 2 1 2 2 8
708 Arithmetic Processing and Calculating (Electrical Computers) 2 2 1 2 1 8
055 Gas Separation 0 0 1 2 4 7
144 Woodworking 2 0 1 3 1 7
211 Supports: Racks 1 1 1 1 3 7
365 Static Information Storage and Retrieval 3 1 1 2 0 7
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 6 0 0 1 0 7
414 Material or Article Handling 0 0 0 5 2 7
601 Surgery: Kinesitherapy 4 0 1 2 0 7
095 Gas Separation: Processes 4 0 0 1 1 6
108 Horizontally Supported Planar Surfaces 1 1 0 3 1 6
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 3 1 0 0 2 6
219 Electric Heating 0 3 0 2 1 6
290 Prime-Mover Dynamo Plants 0 2 2 1 1 6
294 Handling: Hand and Hoist-Line Implements 0 2 0 3 1 6
313 Electric Lamp and Discharge Devices 1 3 0 0 2 6
330 Amplifiers 0 2 3 0 1 6
331 Oscillators 3 1 1 1 0 6
366 Agitating (e.g., of articles and materials) 0 2 1 3 0 6
426 Food or Edible Material: Processes, Compositions, and Products 0 0 1 2 3 6
440 Marine Propulsion 2 1 1 1 1 6
446 Amusement Devices: Toys 0 1 1 0 4 6
588 Hazardous or Toxic Waste Destruction or Containment 0 1 0 3 2 6
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 1 1 2 2 6
048 Gas: Heating and Illuminating 0 1 1 2 1 5
139 Textiles: Weaving 3 2 0 0 0 5
200 Electricity: Circuit Makers and Breakers 1 0 0 4 0 5
228 Metal Fusion Bonding 0 2 1 1 1 5
261 Gas and Liquid Contact Apparatus 0 2 0 1 2 5
292 Closure Fasteners 0 2 2 0 1 5
315 Electric Lamp and Discharge Devices: Systems 2 1 0 1 1 5
336 Inductor Devices 1 1 2 0 1 5
368 Horology: Time Measuring Systems or Devices 0 3 1 1 0 5
441 Buoys, Rafts, and Aquatic Devices 1 0 0 1 3 5
450 Foundation Garments 1 2 0 1 1 5
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 2 3 5
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 2 2 1 5
125 Stone Working 1 1 1 0 1 4
132 Toilet 2 0 0 0 2 4
136 Batteries: Thermoelectric and Photoelectric 1 1 0 0 2 4
148 Metal Treatment 0 0 0 1 3 4
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 1 0 0 3 4
224 Package and Article Carriers 0 1 1 0 2 4
229 Envelopes, Wrappers, and Paperboard Boxes 0 2 1 0 1 4
242 Winding, Tensioning, or Guiding 1 1 1 1 0 4
251 Valves and Valve Actuation 2 1 0 0 1 4
269 Work Holders 1 1 1 0 1 4
386 Motion Video Signal Processing for Recording or Reproducing 1 2 1 0 0 4
392 Electric Resistance Heating Devices 1 1 0 0 2 4
410 Freight Accommodation On Freight Carrier 1 2 0 0 1 4
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 1 1 0 0 4
433 Dentistry 2 0 1 1 0 4
501 Compositions: Ceramic 0 1 1 2 0 4
602 Surgery: Splint, Brace, or Bandage 2 1 0 0 1 4
016 Miscellaneous Hardware 2 0 0 0 1 3
024 Buckles, Buttons, Clasps, Etc. 1 0 0 0 2 3
066 Textiles: Knitting 0 0 1 0 2 3
099 Foods and Beverages: Apparatus 2 0 0 0 1 3
188 Brakes 3 0 0 0 0 3
221 Article Dispensing 1 1 0 0 1 3
277 Seal for a Joint or Juncture 3 0 0 0 0 3
353 Optics: Image Projectors 0 2 0 1 0 3
360 Dynamic Magnetic Information Storage or Retrieval 1 0 1 0 1 3
374 Thermal Measuring and Testing 0 0 2 1 0 3
396 Photography 0 0 0 1 2 3
415 Rotary Kinetic Fluid Motors or Pumps 2 0 0 1 0 3
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 0 1 0 1 3
452 Butchering 0 0 3 0 0 3
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 2 0 1 3
585 Chemistry of Hydrocarbon Compounds 1 1 1 0 0 3
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 1 1 0 1 0 3
720 Dynamic Optical Information Storage or Retrieval 0 0 2 1 0 3
001 ** Classification Undetermined ** 1 0 1 0 0 2
007 Compound Hand Tools 0 1 1 0 0 2
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 1 0 1 0 2
034 Drying and Gas or Vapor Contact with Solids 2 0 0 0 0 2
049 Movable or Removable Closures 1 1 0 0 0 2
051 Abrasive Tool Making Process, Material, or Composition 2 0 0 0 0 2
065 Glass Manufacturing 0 0 0 2 0 2
070 Locks 1 0 0 1 0 2
072 Metal Deforming 0 2 0 0 0 2
101 Printing 2 0 0 0 0 2
104 Railways 1 0 0 1 0 2
110 Furnaces 1 1 0 0 0 2
111 Planting 0 0 0 1 1 2
124 Mechanical Guns and Projectors 1 0 0 1 0 2
126 Stoves and Furnaces 0 0 1 0 1 2
131 Tobacco 1 0 0 0 1 2
152 Resilient Tires and Wheels 0 1 1 0 0 2
160 Flexible or Portable Closure, Partition, or Panel 1 0 0 0 1 2
162 Paper Making and Fiber Liberation 1 0 0 0 1 2
169 Fire Extinguishers 1 0 0 1 0 2
182 Fire Escape, Ladder, or Scaffold 1 0 0 1 0 2
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 1 2
215 Bottles and Jars 1 0 1 0 0 2
216 Etching a Substrate: Processes 0 1 1 0 0 2
223 Apparel Apparatus 1 0 1 0 0 2
232 Deposit and Collection Receptacles 1 0 0 1 0 2
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 1 1 0 0 2
256 Fences 1 0 1 0 0 2
271 Sheet Feeding or Delivering 1 0 1 0 0 2
312 Supports: Cabinet Structure 0 0 0 0 2 2
322 Electricity: Single Generator Systems 1 1 0 0 0 2
323 Electricity: Power Supply or Regulation Systems 1 0 0 0 1 2
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 0 1 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 2 0 0 2
347 Incremental Printing of Symbolic Information 0 0 0 0 2 2
355 Photocopying 1 0 0 0 1 2
369 Dynamic Information Storage or Retrieval 0 0 1 0 1 2
373 Industrial Electric Heating Furnaces 1 0 0 0 1 2
384 Bearings 0 1 0 0 1 2
416 Fluid Reaction Surfaces (i.e., Impellers) 1 0 1 0 0 2
418 Rotary Expansible Chamber Devices 1 0 1 0 0 2
431 Combustion 0 0 1 0 1 2
474 Endless Belt Power Transmission Systems or Components 0 0 1 0 1 2
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 1 0 1 2
023 Chemistry: Physical Processes 0 0 1 0 0 1
037 Excavating 0 0 0 1 0 1
054 Harness for Working Animal 0 1 0 0 0 1
092 Expansible Chamber Devices 0 0 1 0 0 1
109 Safes, Bank Protection, or a Related Device 0 0 1 0 0 1
116 Signals and Indicators 0 0 1 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 0 1 1
172 Earth Working 1 0 0 0 0 1
175 Boring or Penetrating the Earth 1 0 0 0 0 1
177 Weighing Scales 0 1 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 1 1
192 Clutches and Power-Stop Control 0 0 0 0 1 1
201 Distillation: Processes, Thermolytic 0 0 0 1 0 1
203 Distillation: Processes, Separatory 0 0 1 0 0 1
212 Traversing Hoists 1 0 0 0 0 1
213 Railway Draft Appliances 0 0 0 0 1 1
236 Automatic Temperature and Humidity Regulation 0 1 0 0 0 1
246 Railway Switches and Signals 0 1 0 0 0 1
249 Static Molds 0 0 0 0 1 1
270 Sheet-Material Associating 0 0 0 0 1 1
285 Pipe Joints or Couplings 0 0 1 0 0 1
299 Mining or In Situ Disintegration of Hard Material 1 0 0 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 1 0 0 0 0 1
332 Modulators 0 1 0 0 0 1
338 Electrical Resistors 0 1 0 0 0 1
346 Recorders 0 1 0 0 0 1
383 Flexible Bags 0 0 0 0 1 1
388 Electricity: Motor Control Systems 0 0 0 0 1 1
399 Electrophotography 1 0 0 0 0 1
401 Coating Implements with Material Supply 1 0 0 0 0 1
403 Joints and Connections 0 0 1 0 0 1
406 Conveyors: Fluid Current 0 0 0 1 0 1
409 Gear Cutting, Milling, or Planing 0 0 0 0 1 1
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 1 0 0 0 1
454 Ventilation 0 0 1 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 1 0 0 1
472 Amusement Devices 1 0 0 0 0 1
483 Tool Changing 0 1 0 0 0 1
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 0 0 0 0 1
494 Imperforate Bowl: Centrifugal Separators 0 0 0 1 0 1
504 Plant Protecting and Regulating Compositions 0 0 0 1 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 1 1
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 1 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 1 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 1 1
ALL ALL CLASSES 1410 1246 1232 1277 1578 6743


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Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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