Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 455/225.1
Name: Telecommunications >

Sub-classes under this class:

Class Number Class Name Patents
455/1 Interference signal transmission (e.g., jamming) 335
455/130 Receiver or analog modulated signal frequency converter 492
455/2.01 Audience survey or program distribution use accounting 161
455/26.1 Use or access blocking (e.g., locking switch) 124
455/3.01 Wireless distribution system 910
455/39 Transmitter and receiver at separate stations 431
455/400 Having single-channel telephone carrier 27
455/403 Radiotelephone system 1,195
455/7 Carrier wave repeater or relay system (i.e., retransmission of same information) 679
455/73 Transmitter and receiver at same station (e.g., transceiver) 1,215
455/899 Miscellaneous 59
455/91 Transmitter 628

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Packet transmission system and fault recovery method
Parallel power inverter motor drive system
Diaminocyclohexane compounds and uses thereof
Server chassis
Sperm factor sequences
Machine tool with an electrical generator for passive power generation
Image-processing method and program, and image-processing apparatus
  Randomly Featured Patents
Broadband high pass microwave filter
Block symmetrization in a field programmable gate array
Solar module
Method and apparatus for accurate pulse width modulation
Method for rehabilitative and/or protective corrosion-inhibition of reinforcing steel embedded in a hardened structure by means of surface-applied corrosion-inhibiting compositions
Cable device
Hitch with winch mount
Individual XML message processing platform
Electro-acoustic transducer
Battery terminal post clamp