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WILLIAMS CHARLES E

Overview
  • Total Patents
    22
About

WILLIAMS CHARLES E has a total of 22 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets audio-visual technology, transport and measurement are HERMAN DAVID, WALSH DUNCAN CHRISTOPHER and ALBERT PETER.

Patent filings in countries

World map showing WILLIAMS CHARLES Es patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 2
#3 United Kingdom 1

Patent filings per year

Chart showing WILLIAMS CHARLES Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams Charles E 21
#2 Bendig Albert W 1
#3 Fry William E 1
#4 Weaver Frederick H 1

Latest patents

Publication Filing date Title
US2011246579A1 Method and communication device for providing a list of plays for sporting event participants
GB9402749D0 The draw maker
US4123962A Rotary breech apparatus for an automatic weapon
US2361159A Toy crane and attachments
US2257320A Direction finding system
US2257319A Radiant energy system
US1796353A Adapter connecter
US1563888A Telephone earpiece or receiver
US1439212A Portable audiphone transmitter
US1343861A Tire
US1343860A Tire
US1277516A Vehicle-tire.
US1182611A Muffler for exhaust-pipes.
CA158677A Trolley wheel
US1125424A Audiphone-transmitter stand and sounding-board.
US1026231A Audiphone-transmitter.
US945429A Audiphone-receiver.
US945430A Portable audiphone-transmitter.
US936503A Magnetic regulator for audiphone-receivers.
US911101A Audiphone-transmitter.