Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 178/64
Name: Telegraphy > Systems > Coil transformer
Description: Systems for transmitting messages by induced currents having an induction-coil or transformer, usually with its primary in a local circuit, with the transmitter and its secondary in the main line; also includes systems utilizing induction-coils or transformers between sections of the main line.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
High pressure refolding of protein aggregates and inclusion bodies
Adding value to a rendered document
Pet burial pod
Error protection for pipeline resources
Business flow processing method and apparatus
Method for implementing dynamic pseudorandom keyboard remapping
  Randomly Featured Patents
Heather plant named `Alicia`
Printing apparatus capable of correcting printed characters by offset prints
Thermal roll for papermaking with a fluid circulation system and method therefor
Hermetic compressor
Low metal content catalyst compositions and processes for making and using same
Donor rolls with capacitively cushioned commutation
Surface configuration of a front panel for a vehicle
Drain fitting for waterbed mattresses
Mass spectrometric analysis method and system using the method
Lawn edging apparatus