Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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

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

Count of 2010 - 2014 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 by year of patent grant.
Class Class Title 2010 2011 2012 2013 2014 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 171 181 201 213 267 1033
435 Chemistry: Molecular Biology and Microbiology 143 119 99 103 130 594
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 86 62 78 83 55 364
370 Multiplex Communications 51 48 52 49 58 258
455 Telecommunications 30 49 48 55 65 247
128 Surgery (includes Class 600) 29 21 31 47 50 178
532 Organic Compounds (includes Classes 532-570) 28 39 44 28 37 176
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 23 28 36 30 41 158
382 Image Analysis 29 16 20 42 33 140
726 Information Security 14 26 21 33 36 130
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 32 32 16 22 26 128
707 DP: Database and File Management or Data Structures (Data Processing) 18 15 22 31 25 111
340 Communications: Electrical 23 23 24 23 16 109
375 Pulse or Digital Communications 18 15 15 21 36 105
713 Support (Electrical Computers and Digital Processing Systems) 14 21 19 26 24 104
398 Optical Communications 20 24 15 18 23 100
606 Surgery (instruments) 11 19 20 24 26 100
250 Radiant Energy 22 15 17 20 21 95
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 15 16 17 20 24 92
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 9 11 16 19 36 91
702 DP: Measuring, Calibrating, or Testing (Data Processing) 11 15 24 25 14 89
356 Optics: Measuring and Testing 20 23 13 20 12 88
714 Error Detection/Correction and Fault Detection/Recovery 18 19 16 16 13 82
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 16 20 23 11 9 79
436 Chemistry: Analytical and Immunological Testing 22 14 13 11 15 75
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 15 10 16 11 16 68
073 Measuring and Testing 12 4 20 14 12 62
706 DP: Artificial Intelligence (Data Processing) 8 12 18 8 14 60
089 Ordnance 9 11 12 13 11 56
604 Surgery (Medicators and Receptors) 11 13 9 12 9 54
438 Semiconductor Device Manufacturing: Process 17 13 9 4 10 53
607 Surgery: Light, Thermal, and Electrical Application 8 8 12 12 12 52
324 Electricity: Measuring and Testing 10 10 9 8 12 49
725 Interactive Video Distribution Systems 9 5 10 10 15 49
359 Optical: Systems and Elements 7 9 9 10 13 48
385 Optical Waveguides 14 9 9 12 3 47
428 Stock Material or Miscellaneous Articles 6 9 8 11 12 46
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 8 6 14 9 9 46
345 Computer Graphics Processing and Selective Visual Display Systems 7 6 8 10 11 42
102 Ammunition and Explosives 9 7 8 11 6 41
244 Aeronautics and Astronautics 3 9 8 13 7 40
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 15 4 5 7 9 40
002 Apparel 9 4 9 7 9 38
379 Telephonic Communications 6 7 7 8 10 38
173 Tool Driving or Impacting 5 2 9 12 9 37
700 DP: Generic Control Systems or Specific Applications (Data Processing) 5 8 9 8 7 37
320 Electricity: Battery or Capacitor Charging or Discharging 9 10 9 3 5 36
380 Cryptography 6 6 3 12 9 36
310 Electrical Generator or Motor Structure 12 8 6 5 4 35
348 Television 1 7 5 14 8 35
473 Games Using Tangible Projectile 13 3 5 1 12 34
052 Static Structures (e.g., Buildings) 4 4 6 8 11 33
362 Illumination 1 6 4 12 10 33
210 Liquid Purification or Separation 5 5 7 7 8 32
252 Compositions 4 9 6 5 8 32
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 2 5 8 11 6 32
198 Conveyors: Power-Driven 6 11 5 4 5 31
333 Wave Transmission Lines and Networks 11 7 4 4 5 31
361 Electricity: Electrical Systems and Devices 9 8 1 7 6 31
029 Metal Working 7 6 5 5 7 30
084 Music 6 7 5 7 5 30
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 10 6 3 6 5 30
434 Education and Demonstration 3 0 10 12 5 30
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 7 6 5 6 6 30
060 Power Plants 7 2 6 6 8 29
423 Chemistry of Inorganic Compounds 11 1 2 10 5 29
227 Elongated-Member-Driving Apparatus 8 5 5 8 2 28
343 Communications: Radio Wave Antennas 7 9 6 3 3 28
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 7 10 3 4 4 28
114 Ships 5 7 3 3 9 27
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 4 6 11 5 27
119 Animal Husbandry 4 9 6 3 3 25
149 Explosive and Thermic Compositions or Charges 6 5 3 6 5 25
273 Amusement Devices: Games 7 3 3 11 1 25
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 7 2 5 6 5 25
717 DP: Software Development, Installation, and Management (Data Processing) 5 5 4 5 6 25
042 Firearms 4 4 5 8 3 24
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 4 3 11 3 24
307 Electrical Transmission or Interconnection Systems 1 5 11 4 3 24
015 Brushing, Scrubbing, and General Cleaning 6 6 6 3 2 23
248 Supports (e.g., for holding articles, etc.) 4 2 5 7 5 23
280 Land Vehicles 3 6 4 5 5 23
482 Exercise Devices 10 0 2 2 9 23
326 Electronic Digital Logic Circuitry 6 7 4 2 3 22
378 X-Ray or Gamma Ray Systems or Devices 5 5 5 3 4 22
451 Abrading 3 6 3 7 3 22
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 0 10 6 3 21
297 Chairs and Seats 6 4 4 1 6 21
381 Electrical Audio Signal Processing Systems and Devices 4 2 7 5 3 21
083 Cutting 4 5 4 6 1 20
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 3 5 5 4 3 20
180 Motor Vehicles 5 3 3 3 6 20
239 Fluid Sprinkling, Spraying, and Diffusing 8 0 4 3 5 20
463 Amusement Devices: Games 3 1 7 6 3 20
204 Chemistry: Electrical and Wave Energy 6 4 3 2 4 19
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 6 2 1 6 4 19
427 Coating Processes 4 3 5 3 4 19
004 Baths, Closets, Sinks, and Spittoons 2 4 3 4 4 17
367 Communications, Electrical: Acoustic Wave Systems and Devices 7 1 8 1 0 17
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 2 3 3 8 17
005 Beds 2 4 3 3 4 16
106 Compositions: Coating or Plastic 5 4 1 2 4 16
220 Receptacles 1 1 7 3 4 16
290 Prime-Mover Dynamo Plants 1 4 4 3 4 16
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 5 3 3 2 16
030 Cutlery 3 5 1 2 4 15
043 Fishing, Trapping, and Vermin Destroying 6 2 2 2 3 15
062 Refrigeration 3 3 0 3 6 15
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 0 3 5 5 15
137 Fluid Handling 3 3 3 2 4 15
165 Heat Exchange 5 4 3 2 1 15
408 Cutting by Use of Rotating Axially Moving Tool 6 0 0 2 7 15
426 Food or Edible Material: Processes, Compositions, and Products 3 3 2 2 5 15
206 Special Receptacle or Package 3 4 2 0 5 14
208 Mineral Oils: Processes and Products 2 5 3 2 2 14
222 Dispensing (apparatus and process) 1 6 3 2 2 14
224 Package and Article Carriers 2 1 1 3 7 14
315 Electric Lamp and Discharge Devices: Systems 1 2 3 2 6 14
351 Optics: Eye Examining, Vision Testing and Correcting 2 2 3 2 5 14
372 Coherent Light Generators 1 5 4 2 2 14
711 Memory (Electrical Computers and Digital Processing Systems) 1 1 3 4 5 14
033 Geometrical Instruments 4 1 4 3 1 13
132 Toilet 2 5 1 3 2 13
279 Chucks or Sockets 4 3 1 0 5 13
318 Electricity: Motive Power Systems 4 2 0 4 3 13
341 Coded Data Generation or Conversion 1 3 1 5 3 13
405 Hydraulic and Earth Engineering 4 1 3 2 3 13
602 Surgery: Splint, Brace, or Bandage 1 3 2 4 3 13
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 3 4 6 13
036 Boots, Shoes, and Leggings 2 2 3 2 3 12
123 Internal-Combustion Engines 1 2 3 1 5 12
181 Acoustics 3 3 2 3 1 12
241 Solid Material Comminution or Disintegration 1 3 5 3 0 12
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 3 3 4 1 12
055 Gas Separation 4 1 2 2 2 11
134 Cleaning and Liquid Contact with Solids 2 0 3 2 4 11
439 Electrical Connectors 2 1 1 6 1 11
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 2 6 2 11
081 Tools 1 3 3 2 1 10
095 Gas Separation: Processes 1 3 5 0 1 10
182 Fire Escape, Ladder, or Scaffold 0 2 4 1 3 10
209 Classifying, Separating, and Assorting Solids 4 0 2 1 3 10
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 4 1 4 1 10
296 Land Vehicles: Bodies and Tops 0 2 2 3 3 10
358 Facsimile and Static Presentation Processing 1 2 1 1 5 10
475 Planetary Gear Transmission Systems or Components 3 0 2 3 2 10
601 Surgery: Kinesitherapy 0 3 1 3 3 10
096 Gas Separation: Apparatus 0 2 4 1 2 9
124 Mechanical Guns and Projectors 0 1 1 4 3 9
136 Batteries: Thermoelectric and Photoelectric 2 0 3 2 2 9
374 Thermal Measuring and Testing 0 2 4 2 1 9
074 Machine Element or Mechanism 2 0 1 2 3 8
148 Metal Treatment 3 1 3 1 0 8
219 Electric Heating 0 3 2 2 1 8
228 Metal Fusion Bonding 1 2 1 1 3 8
294 Handling: Hand and Hoist-Line Implements 1 1 0 6 0 8
414 Material or Article Handling 2 1 2 1 2 8
417 Pumps 2 3 2 1 0 8
446 Amusement Devices: Toys 4 1 1 1 1 8
024 Buckles, Buttons, Clasps, Etc. 2 1 1 1 2 7
047 Plant Husbandry 4 1 1 0 1 7
126 Stoves and Furnaces 1 3 0 1 2 7
200 Electricity: Circuit Makers and Breakers 0 2 3 0 2 7
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 3 1 1 0 7
216 Etching a Substrate: Processes 0 3 1 2 1 7
261 Gas and Liquid Contact Apparatus 2 0 3 1 1 7
330 Amplifiers 1 1 0 2 3 7
404 Road Structure, Process, or Apparatus 1 1 2 1 2 7
452 Butchering 0 5 0 1 1 7
505 Superconductor Technology: Apparatus, Material, Process 1 0 0 3 3 7
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 1 0 2 2 1 6
027 Undertaking 0 1 2 1 2 6
034 Drying and Gas or Vapor Contact with Solids 0 2 2 1 1 6
174 Electricity: Conductors and Insulators 1 1 3 0 1 6
215 Bottles and Jars 0 1 1 3 1 6
229 Envelopes, Wrappers, and Paperboard Boxes 1 1 2 1 1 6
396 Photography 2 2 1 1 0 6
406 Conveyors: Fluid Current 0 2 1 1 2 6
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 2 1 3 6
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 3 0 1 0 2 6
014 Bridges 0 3 1 1 0 5
048 Gas: Heating and Illuminating 1 0 1 2 1 5
118 Coating Apparatus 1 1 0 3 0 5
135 Tent, Canopy, Umbrella, or Cane 2 1 1 1 0 5
188 Brakes 0 3 0 2 0 5
269 Work Holders 1 1 2 0 1 5
277 Seal for a Joint or Juncture 0 0 2 3 0 5
313 Electric Lamp and Discharge Devices 2 1 0 0 2 5
415 Rotary Kinetic Fluid Motors or Pumps 0 1 1 1 2 5
441 Buoys, Rafts, and Aquatic Devices 3 1 0 0 1 5
450 Foundation Garments 1 1 0 1 2 5
501 Compositions: Ceramic 0 2 2 0 1 5
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 3 0 1 1 0 5
040 Card, Picture, or Sign Exhibiting 0 1 2 0 1 4
056 Harvesters 2 0 1 1 0 4
086 Ammunition and Explosive-Charge Making 0 1 0 2 1 4
104 Railways 0 2 0 1 1 4
108 Horizontally Supported Planar Surfaces 1 1 2 0 0 4
131 Tobacco 1 0 2 0 1 4
144 Woodworking 1 1 2 0 0 4
160 Flexible or Portable Closure, Partition, or Panel 1 1 0 2 0 4
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 3 1 0 0 0 4
169 Fire Extinguishers 0 1 0 0 3 4
211 Supports: Racks 3 1 0 0 0 4
292 Closure Fasteners 1 2 0 1 0 4
323 Electricity: Power Supply or Regulation Systems 1 1 1 0 1 4
366 Agitating (e.g., of articles and materials) 0 0 2 1 1 4
383 Flexible Bags 1 0 1 1 1 4
386 Motion Video Signal Processing for Recording or Reproducing 0 0 1 3 0 4
392 Electric Resistance Heating Devices 2 1 1 0 0 4
409 Gear Cutting, Milling, or Planing 1 0 0 0 3 4
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 2 1 1 4
431 Combustion 1 1 0 0 2 4
433 Dentistry 0 1 2 1 0 4
440 Marine Propulsion 1 0 2 1 0 4
477 Interrelated Power Delivery Controls, Including Engine Control 1 0 2 1 0 4
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 1 2 0 0 4
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 2 1 0 1 0 4
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 1 1 0 2 0 4
007 Compound Hand Tools 0 0 0 2 1 3
037 Excavating 0 2 0 1 0 3
053 Package Making 2 1 0 0 0 3
063 Jewelry 0 0 0 1 2 3
066 Textiles: Knitting 2 0 0 0 1 3
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 1 0 0 2 3
092 Expansible Chamber Devices 0 0 2 0 1 3
150 Purses, Wallets, and Protective Covers 1 0 0 1 1 3
192 Clutches and Power-Stop Control 1 2 0 0 0 3
223 Apparel Apparatus 0 2 0 0 1 3
271 Sheet Feeding or Delivering 0 2 1 0 0 3
285 Pipe Joints or Couplings 0 0 1 1 1 3
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 1 1 0 1 3
353 Optics: Image Projectors 0 0 1 1 1 3
355 Photocopying 1 1 0 1 0 3
401 Coating Implements with Material Supply 0 0 1 2 0 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 0 1 1 3
454 Ventilation 0 2 0 1 0 3
588 Hazardous or Toxic Waste Destruction or Containment 2 0 0 1 0 3
071 Chemistry: Fertilizers 0 0 0 1 1 2
099 Foods and Beverages: Apparatus 1 0 0 1 0 2
111 Planting 1 0 0 0 1 2
152 Resilient Tires and Wheels 0 0 1 1 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 0 1 2
190 Trunks and Hand-Carried Luggage 0 0 0 2 0 2
221 Article Dispensing 1 0 0 1 0 2
246 Railway Switches and Signals 0 0 1 0 1 2
251 Valves and Valve Actuation 1 1 0 0 0 2
256 Fences 0 0 0 0 2 2
312 Supports: Cabinet Structure 2 0 0 0 0 2
331 Oscillators 0 0 1 0 1 2
336 Inductor Devices 1 0 0 0 1 2
347 Incremental Printing of Symbolic Information 2 0 0 0 0 2
365 Static Information Storage and Retrieval 0 0 1 0 1 2
368 Horology: Time Measuring Systems or Devices 0 0 0 1 1 2
410 Freight Accommodation On Freight Carrier 1 0 0 1 0 2
418 Rotary Expansible Chamber Devices 0 0 2 0 0 2
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 0 0 0 1 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 1 2
474 Endless Belt Power Transmission Systems or Components 1 0 0 1 0 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 0 0 1 2
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 1 1 2
023 Chemistry: Physical Processes 0 0 0 1 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 0 1 1
065 Glass Manufacturing 0 0 0 0 1 1
070 Locks 0 0 1 0 0 1
091 Motors: Expansible Chamber Type 0 1 0 0 0 1
105 Railway Rolling Stock 0 0 1 0 0 1
109 Safes, Bank Protection, or a Related Device 0 1 0 0 0 1
112 Sewing 0 0 0 1 0 1
116 Signals and Indicators 0 1 0 0 0 1
125 Stone Working 1 0 0 0 0 1
138 Pipes and Tubular Conduits 0 0 0 0 1 1
157 Wheelwright Machines 0 0 1 0 0 1
162 Paper Making and Fiber Liberation 1 0 0 0 0 1
164 Metal Founding 0 0 0 1 0 1
191 Electricity: Transmission To Vehicles 0 0 0 1 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 1 0 0 0 0 1
203 Distillation: Processes, Separatory 0 0 0 0 1 1
212 Traversing Hoists 0 0 0 0 1 1
213 Railway Draft Appliances 1 0 0 0 0 1
232 Deposit and Collection Receptacles 0 1 0 0 0 1
236 Automatic Temperature and Humidity Regulation 0 0 1 0 0 1
242 Winding, Tensioning, or Guiding 0 0 0 1 0 1
249 Static Molds 1 0 0 0 0 1
270 Sheet-Material Associating 1 0 0 0 0 1
281 Books, Strips, and Leaves 0 0 0 1 0 1
283 Printed Matter 0 1 0 0 0 1
289 Knots and Knot Tying 0 0 1 0 0 1
293 Vehicle Fenders 0 0 1 0 0 1
299 Mining or In Situ Disintegration of Hard Material 0 0 0 0 1 1
329 Demodulators 0 0 0 0 1 1
332 Modulators 0 0 0 0 1 1
349 Liquid Crystal Cells, Elements and Systems 0 0 1 0 0 1
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 0 0 1
363 Electric Power Conversion Systems 0 0 0 1 0 1
369 Dynamic Information Storage or Retrieval 1 0 0 0 0 1
373 Industrial Electric Heating Furnaces 1 0 0 0 0 1
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 1 0 1
384 Bearings 1 0 0 0 0 1
388 Electricity: Motor Control Systems 1 0 0 0 0 1
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 0 1 1
403 Joints and Connections 0 0 0 0 1 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 1 0 1
472 Amusement Devices 0 0 1 0 0 1
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 1 0 0 1
494 Imperforate Bowl: Centrifugal Separators 0 1 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 0 1 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 0 0 1 1
585 Chemistry of Hydrocarbon Compounds 0 0 1 0 0 1
ALL ALL CLASSES 1578 1513 1609 1748 1851 8299



PTMT Contacts

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/reports.htm
selected PTMT materials available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports