PROFILE OF COMPANIES FROM PI & T REPORT
Distribution of Patents by O.R. Class (Rank Order) for May 2000
CLASS PATENTS
514 16 DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS
438 15 SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
435 13 CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY
360 10 DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL
362 10 ILLUMINATION
439 10 ELECTRICAL CONNECTORS
424 8 DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS
074 7 MACHINE ELEMENT OR MECHANISM
192 7 CLUTCHES AND POWER-STOP CONTROL
370 7 MULTIPLEX COMMUNICATIONS
123 6 INTERNAL-COMBUSTION ENGINES
428 6 STOCK MATERIAL OR MISCELLANEOUS ARTICLES
062 5 REFRIGERATION
800 5 MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND
252 4 COMPOSITIONS
264 4 PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES
361 4 ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES
367 4 COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES
382 4 IMAGE ANALYSIS
384 4 BEARINGS
528 4 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520
600 4 SURGERY
710 4 ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS:
029 3 METAL WORKING
072 3 METAL DEFORMING
310 3 ELECTRICAL GENERATOR OR MOTOR STRUCTURE
333 3 WAVE TRANSMISSION LINES AND NETWORKS
348 3 TELEVISION
356 3 OPTICS: MEASURING AND TESTING
427 3 COATING PROCESSES
430 3 RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT
530 3 CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS;
556 3 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
606 3 SURGERY
607 3 SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION
056 2 HARVESTERS
073 2 MEASURING AND TESTING
095 2 GAS SEPARATION: PROCESSES
137 2 FLUID HANDLING
148 2 METAL TREATMENT
156 2 ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE
166 2 WELLS
180 2 MOTOR VEHICLES
235 2 REGISTERS
242 2 WINDING, TENSIONING, OR GUIDING
244 2 AERONAUTICS
257 2 ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE
292 2 CLOSURE FASTENERS
296 2 LAND VEHICLES: BODIES AND TOPS
318 2 ELECTRICITY: MOTIVE POWER SYSTEMS
340 2 COMMUNICATIONS: ELECTRICAL
349 2 LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS
374 2 THERMAL MEASURING AND TESTING
379 2 TELEPHONIC COMMUNICATIONS
385 2 OPTICAL WAVEGUIDES
415 2 ROTARY KINETIC FLUID MOTORS OR PUMPS
417 2 PUMPS
419 2 POWDER METALLURGY PROCESSES
423 2 CHEMISTRY OF INORGANIC COMPOUNDS
425 2 PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS
451 2 ABRADING
504 2 PLANT PROTECTING AND REGULATING COMPOSITIONS
510 2 CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS
521 2 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520
526 2 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520
544 2 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
548 2 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
568 2 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
700 2 DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS
709 2 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTIPLE
711 2 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY
714 2 ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY
004 1 BATHS, CLOSETS, SINKS, AND SPITTOONS
033 1 GEOMETRICAL INSTRUMENTS
034 1 DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS
043 1 FISHING, TRAPPING, AND VERMIN DESTROYING
070 1 LOCKS
075 1 SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE
118 1 COATING APPARATUS
126 1 STOVES AND FURNACES
128 1 SURGERY
141 1 FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING
165 1 HEAT EXCHANGE
172 1 EARTH WORKING
174 1 ELECTRICITY: CONDUCTORS AND INSULATORS
178 1 TELEGRAPHY
194 1 CHECK-ACTUATED CONTROL MECHANISMS
198 1 CONVEYORS: POWER-DRIVEN
203 1 DISTILLATION: PROCESSES, SEPARATORY
210 1 LIQUID PURIFICATION OR SEPARATION
220 1 RECEPTACLES
222 1 DISPENSING
228 1 METAL FUSION BONDING
248 1 SUPPORTS
250 1 RADIANT ENERGY
251 1 VALVES AND VALVE ACTUATION
261 1 GAS AND LIQUID CONTACT APPARATUS
270 1 SHEET-MATERIAL ASSOCIATING
277 1 SEAL FOR A JOINT OR JUNCTURE
285 1 PIPE JOINTS OR COUPLINGS
294 1 HANDLING: HAND AND HOIST-LINE IMPLEMENTS
297 1 CHAIRS AND SEATS
303 1 FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS
307 1 ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS
312 1 SUPPORTS: CABINET STRUCTURE
315 1 ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS
324 1 ELECTRICITY: MEASURING AND TESTING
327 1 MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND
335 1 ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND
341 1 CODED DATA GENERATION OR CONVERSION
343 1 COMMUNICATIONS: RADIO WAVE ANTENNAS
345 1 COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND
347 1 INCREMENTAL PRINTING OF SYMBOLIC INFORMATION
359 1 OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS
369 1 DYNAMIC INFORMATION STORAGE OR RETRIEVAL
386 1 TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING
400 1 TYPEWRITING MACHINES
416 1 FLUID REACTION SURFACES (I.E., IMPELLERS)
418 1 ROTARY EXPANSIBLE CHAMBER DEVICES
429 1 CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND
455 1 TELECOMMUNICATIONS
460 1 CROP THRESHING OR SEPARATING
464 1 ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR
502 1 CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS
503 1 RECORD RECEIVER HAVING PLURAL INTERACTIVE LEAVES OR A COLORLESS
508 1 SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR
524 1 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520
525 1 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520
536 1 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
549 1 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
560 1 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
570 1 ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
601 1 SURGERY: KINESITHERAPY
623 1 PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR
701 1 DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION
702 1 DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING
704 1 DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE
708 1 ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING
712 1 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: PROCESSING
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