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 2008 - 2012 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

DELAWARE

( 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 2008 2009 2010 2011 2012 Total
532 Organic Compounds (includes Classes 532-570) 41 35 35 52 60 223
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 27 38 32 56 42 195
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 32 22 35 25 34 148
435 Chemistry: Molecular Biology and Microbiology 17 21 22 23 23 106
252 Compositions 14 14 25 26 23 102
428 Stock Material or Miscellaneous Articles 17 16 23 21 19 96
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 15 17 14 21 26 93
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 7 8 11 14 22 62
427 Coating Processes 2 5 7 8 10 32
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 9 6 4 4 7 30
106 Compositions: Coating or Plastic 13 6 5 0 2 26
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 1 13 2 8 25
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 6 6 4 4 3 23
438 Semiconductor Device Manufacturing: Process 5 0 2 5 9 21
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 4 3 8 5 21
451 Abrading 5 5 3 2 5 20
210 Liquid Purification or Separation 3 3 3 5 5 19
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 2 2 3 6 6 19
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 4 3 4 5 3 19
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 3 9 4 2 18
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 0 4 8 2 16
423 Chemistry of Inorganic Compounds 3 4 5 3 1 16
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 4 0 3 3 5 15
436 Chemistry: Analytical and Immunological Testing 2 3 3 5 2 15
073 Measuring and Testing 3 3 2 3 3 14
250 Radiant Energy 5 2 5 2 0 14
356 Optics: Measuring and Testing 2 4 4 1 3 14
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 3 4 2 2 1 12
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 2 2 5 1 12
482 Exercise Devices 1 5 3 2 0 11
244 Aeronautics and Astronautics 1 0 2 4 3 10
604 Surgery (Medicators and Receptors) 1 0 3 5 1 10
052 Static Structures (e.g., Buildings) 2 0 2 1 4 9
095 Gas Separation: Processes 3 0 1 0 5 9
340 Communications: Electrical 1 2 1 3 2 9
347 Incremental Printing of Symbolic Information 0 2 2 2 3 9
362 Illumination 2 2 0 2 2 8
426 Food or Edible Material: Processes, Compositions, and Products 2 0 1 4 1 8
002 Apparel 1 0 2 2 2 7
137 Fluid Handling 2 4 1 0 0 7
162 Paper Making and Fiber Liberation 0 0 0 3 4 7
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 3 2 0 1 7
345 Computer Graphics Processing and Selective Visual Display Systems 0 1 0 5 1 7
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 2 3 0 0 7
606 Surgery (instruments) 1 2 0 2 2 7
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 2 3 2 7
707 DP: Database and File Management or Data Structures (Data Processing) 1 0 1 3 2 7
096 Gas Separation: Apparatus 3 1 0 1 1 6
136 Batteries: Thermoelectric and Photoelectric 1 1 0 4 0 6
211 Supports: Racks 0 0 0 4 2 6
220 Receptacles 1 0 1 3 1 6
313 Electric Lamp and Discharge Devices 2 0 1 2 1 6
324 Electricity: Measuring and Testing 4 1 1 0 0 6
359 Optical: Systems and Elements 0 2 3 0 1 6
585 Chemistry of Hydrocarbon Compounds 1 1 1 2 1 6
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 3 0 0 1 6
702 DP: Measuring, Calibrating, or Testing (Data Processing) 2 2 0 0 2 6
029 Metal Working 1 0 0 3 1 5
083 Cutting 0 2 2 1 0 5
119 Animal Husbandry 2 1 0 0 2 5
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 3 2 0 5
358 Facsimile and Static Presentation Processing 0 1 3 1 0 5
382 Image Analysis 0 3 0 0 2 5
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 1 1 2 0 5
051 Abrasive Tool Making Process, Material, or Composition 0 1 0 1 2 4
055 Gas Separation 0 2 1 0 1 4
204 Chemistry: Electrical and Wave Energy 2 1 0 1 0 4
361 Electricity: Electrical Systems and Devices 2 0 0 0 2 4
379 Telephonic Communications 0 1 1 0 2 4
602 Surgery: Splint, Brace, or Bandage 1 0 0 0 3 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 1 0 1 1 4
713 Support (Electrical Computers and Digital Processing Systems) 1 0 1 1 1 4
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 1 1 1 0 1 4
005 Beds 0 1 1 1 0 3
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 1 1 3
053 Package Making 1 2 0 0 0 3
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 2 0 0 3
084 Music 0 1 0 2 0 3
099 Foods and Beverages: Apparatus 2 1 0 0 0 3
102 Ammunition and Explosives 1 0 0 1 1 3
219 Electric Heating 0 0 1 0 2 3
222 Dispensing (apparatus and process) 0 0 0 1 2 3
248 Supports (e.g., for holding articles, etc.) 1 0 1 0 1 3
280 Land Vehicles 0 1 0 1 1 3
297 Chairs and Seats 0 1 1 1 0 3
333 Wave Transmission Lines and Networks 2 1 0 0 0 3
366 Agitating (e.g., of articles and materials) 0 0 0 0 3 3
385 Optical Waveguides 1 0 0 1 1 3
433 Dentistry 1 1 0 1 0 3
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 1 1 1 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 1 2 3
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 1 0 2 3
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 1 0 0 1 1 3
004 Baths, Closets, Sinks, and Spittoons 0 0 0 1 1 2
015 Brushing, Scrubbing, and General Cleaning 1 0 1 0 0 2
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 0 1 0 1 0 2
019 Textiles: Fiber Preparation 1 1 0 0 0 2
033 Geometrical Instruments 0 1 0 0 1 2
040 Card, Picture, or Sign Exhibiting 0 1 1 0 0 2
043 Fishing, Trapping, and Vermin Destroying 0 1 1 0 0 2
047 Plant Husbandry 0 0 1 0 1 2
128 Surgery (includes Class 600) 0 0 1 0 1 2
132 Toilet 0 1 1 0 0 2
169 Fire Extinguishers 1 0 1 0 0 2
174 Electricity: Conductors and Insulators 0 0 1 0 1 2
203 Distillation: Processes, Separatory 1 0 1 0 0 2
206 Special Receptacle or Package 0 0 1 0 1 2
208 Mineral Oils: Processes and Products 1 0 0 0 1 2
315 Electric Lamp and Discharge Devices: Systems 1 0 1 0 0 2
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 2 2
323 Electricity: Power Supply or Regulation Systems 0 0 0 0 2 2
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 0 0 1 0 1 2
401 Coating Implements with Material Supply 0 0 0 1 1 2
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 0 0 1 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 1 0 0 1 2
439 Electrical Connectors 0 0 1 1 0 2
473 Games Using Tangible Projectile 0 1 0 0 1 2
501 Compositions: Ceramic 1 0 0 0 1 2
504 Plant Protecting and Regulating Compositions 0 0 0 1 1 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 2 2
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 1 1 2
706 DP: Artificial Intelligence (Data Processing) 0 1 0 1 0 2
708 Arithmetic Processing and Calculating (Electrical Computers) 2 0 0 0 0 2
717 DP: Software Development, Installation, and Management (Data Processing) 0 1 0 0 1 2
024 Buckles, Buttons, Clasps, Etc. 0 0 1 0 0 1
030 Cutlery 0 0 1 0 0 1
062 Refrigeration 0 0 1 0 0 1
081 Tools 0 0 1 0 0 1
089 Ordnance 0 0 1 0 0 1
100 Presses 1 0 0 0 0 1
101 Printing 0 0 0 0 1 1
108 Horizontally Supported Planar Surfaces 0 1 0 0 0 1
112 Sewing 0 0 1 0 0 1
123 Internal-Combustion Engines 0 0 0 0 1 1
127 Sugar, Starch, and Carbohydrates 0 0 1 0 0 1
134 Cleaning and Liquid Contact with Solids 0 1 0 0 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 0 1 1
150 Purses, Wallets, and Protective Covers 0 1 0 0 0 1
181 Acoustics 0 0 0 0 1 1
182 Fire Escape, Ladder, or Scaffold 0 0 1 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 1 0 0 1
198 Conveyors: Power-Driven 0 0 0 1 0 1
209 Classifying, Separating, and Assorting Solids 1 0 0 0 0 1
213 Railway Draft Appliances 0 0 1 0 0 1
216 Etching a Substrate: Processes 0 0 0 0 1 1
241 Solid Material Comminution or Disintegration 0 0 0 1 0 1
266 Metallurgical Apparatus 0 0 0 0 1 1
292 Closure Fasteners 0 0 1 0 0 1
294 Handling: Hand and Hoist-Line Implements 1 0 0 0 0 1
310 Electrical Generator or Motor Structure 0 0 0 0 1 1
338 Electrical Resistors 0 1 0 0 0 1
341 Coded Data Generation or Conversion 0 0 1 0 0 1
348 Television 0 0 0 1 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 0 0 1
370 Multiplex Communications 1 0 0 0 0 1
372 Coherent Light Generators 1 0 0 0 0 1
375 Pulse or Digital Communications 0 1 0 0 0 1
410 Freight Accommodation On Freight Carrier 0 1 0 0 0 1
414 Material or Article Handling 0 0 0 1 0 1
431 Combustion 0 0 0 0 1 1
601 Surgery: Kinesitherapy 0 0 0 1 0 1
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 1 1
711 Memory (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 1
714 Error Detection/Correction and Fault Detection/Recovery 1 0 0 0 0 1
726 Information Security 0 0 0 0 1 1
ALL ALL CLASSES 325 311 367 418 445 1866


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/tafp.html
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