Learn more

ROCKWELL EDWARD A

Overview
  • Total Patents
    165
About

ROCKWELL EDWARD A has a total of 165 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are BRAGG KLIESRATH CORP, PORTER GILBERT E and ZEFTRON INC.

Patent filings in countries

World map showing ROCKWELL EDWARD As patent filings in countries
# Country Total Patents
#1 United States 149
#2 Canada 16

Patent filings per year

Chart showing ROCKWELL EDWARD As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rockwell Edward A 165
#2 Evans Edwin R 5
#3 Fairchild Sherman M 1
#4 Garancher Marcel 1
#5 Marcel Garancher 1

Latest patents

Publication Filing date Title
US3927913A Skid control system components
US3561475A Dual hydraulic brake systems and brake booster mechanisms therefor
US3555821A Power unit for hydraulic brake systems
US3543298A Dual hydraulic brake with improved booster mechanism
US3442080A Dual hydraulic brake systems and brake booster mechanisms therefor
US3326333A Disc brake with compensation, anti-skid control, and fail-safe system
US3222869A Dual hydraulic brake systems and brake booster mechanisms therefor
US3165031A Hydraulic brake booster
US3091931A Hydraulic system
US3047097A Brake construction
US2972902A Power booster mechanism
US3021791A Rotary fluid displacement device and mechanism therefor
US3008547A Mechanical booster brake
US2978871A Emergency slack take-up and compound booster system for brakes
US2928508A Slack adjuster apparatus
US2876626A Apparatus for applying intensified fluid pressure
US2925824A Fluid control valve
US2976847A Reservoir brake intensifier apparatus
US2936590A Power compound booster for brakes
US2900054A Multiple ratio brake pedal construction