Resources Contact Us Home
Browse by Category: Main > Communications

Class Number Class Name Patents
181 Acoustics 22,432
367 Communications, electrical: acoustic wave systems and devices 22,380
342 Communications: directive radio wave systems and devices (e.g., radar, radio navigation) 56,320
340 Communications: electrical 193,252
343 Communications: radio wave antennas 45,511
329 Demodulators 4,439
358 Facsimile and static presentation processing 106,314
D10 Measuring, testing, or signalling instruments 26,331
370 Multiplex communications 270,401
398 Optical communications 48,849
331 Oscillators 35,139
375 Pulse or digital communications 143,800
346 Recorders 6,169
D14 Recording, communication, or information retrieval equipment 60,080
116 Signals and indicators 11,510
455 Telecommunications 281,696
178 Telegraphy 6,274
379 Telephonic communications 107,707
386 Television signal processing for dynamic recording or reproducing 30,805
334 Tuners 817
  Recently Added Patents
Apparatus and method for masking a clock signal
Field device configuration system
Methods and systems for managing electronic messages
Automatically capturing images that include lightning
Simultaneous image distribution and archiving
Detection and use of low molecular-weight modulators of the cold-menthol receptor TRPM8
Chemical method of making a suspension, emulsion or dispersion of pyrithione particles
  Randomly Featured Patents
Interchangeable lens barrel with signal transfer contacts
Photographic film cartridge with drive wheel activated status indicator
Computer tomography apparatus having an annularly guided electron beam
Miniature wicker furniture and method of assembling same
Single latch manual actuator for testing microcircuits, and having a mechanical interlock for controlling opening and closing
Jewelry display card
Contoured reamer teeth and method of manufacture
High-frequency apparatus for nuclear spin tomography
System for monitoring a plurality of sensors