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BROWN CHARLES R

Overview
  • Total Patents
    13
About

BROWN CHARLES R has a total of 13 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, engines, pumps and turbines and weapons are HY PAT CORP, ANDERSON JACK H and WHITEHEAD & CO.

Patent filings in countries

World map showing BROWN CHARLES Rs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 1

Patent filings per year

Chart showing BROWN CHARLES Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brown Charles R 13
#2 Brown Arthur R 1
#3 Brown Harry K 1
#4 Berndt George W 1
#5 Nelson Hubert E 1

Latest patents

Publication Filing date Title
US3289533A Missile launching tube seal
US3266373A Compact hold-down and vertical shock mount
US3204776A Magnetic tool board
US2968277A Horn shield
US2870600A Variable ejector for iris nozzles
US2769283A Abrading machine for tire tread surfaces
US2603945A Jet engine with afterburner
US2506567A Automatic fire extinguisher for motion-picture projectors
US1690359A Process of manufacturing corn sugar
US1504424A Method and apparatus for handling well casings
US1264364A Sliding-door lock.
US656087A Thill or shaft for vehicles.
CA226728A Perforating attachment for platen printing presses