Resources Contact Us Home
Browse by Category: Main > Communications

Class Number Class Name Patents
181 Acoustics 22,408
367 Communications, electrical: acoustic wave systems and devices 22,374
342 Communications: directive radio wave systems and devices (e.g., radar, radio navigation) 56,274
340 Communications: electrical 192,959
343 Communications: radio wave antennas 45,465
329 Demodulators 4,438
358 Facsimile and static presentation processing 106,019
D10 Measuring, testing, or signalling instruments 26,305
370 Multiplex communications 269,680
398 Optical communications 48,758
331 Oscillators 35,101
375 Pulse or digital communications 143,467
346 Recorders 6,169
D14 Recording, communication, or information retrieval equipment 59,996
116 Signals and indicators 11,494
455 Telecommunications 280,962
178 Telegraphy 6,243
379 Telephonic communications 107,614
386 Television signal processing for dynamic recording or reproducing 30,747
334 Tuners 817
  Recently Added Patents
Remote clinical study site monitoring and data quality scoring
Base of a dust cleaner
Method and apparatus for estimating a downhole fluid property using a charged particle densitometer
Fixing device and image forming apparatus including the same
System and method to manage a workflow in delivering healthcare
Portable electronic apparatus
Method for managing flash memories having mixed memory types
  Randomly Featured Patents
Motion estimation circuit and motion estimation processing element
Holder for non-adhesive tape
Flexible pouch with curvilinear shape and method of forming
Text retrieval method and system using signature of nearby words
Database information consolidation
Rotor assembly system and method
Strain relieving holder for optical fiber cable
Large graph measurement
Immediate mode drawing interface for the construction of graphics software
Method and apparatus for encoding a digital signal, recording medium used for storing the digital signal, and method and apparatus for transmitting the digital signal