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PIERCE GOVERNOR COMPANY

Overview
  • Total Patents
    31
About

PIERCE GOVERNOR COMPANY has a total of 31 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, engines, pumps and turbines and control are THORNER ROBERT H, MONARCH GOVERNOR COMPANY and K P PRODUCTS COMPANY INC.

Patent filings in countries

World map showing PIERCE GOVERNOR COMPANYs patent filings in countries
# Country Total Patents
#1 United States 29
#2 Canada 1
#3 United Kingdom 1

Patent filings per year

Chart showing PIERCE GOVERNOR COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mccullough Neel M 9
#2 Benjamin Walter E 7
#3 Kemp William E 5
#4 Biddle Farrell D 3
#5 Raymond Reger 2
#6 Pierce George W 2
#7 Ray Lakin Harry 1
#8 Calvin Cook 1
#9 Essex Carl C 1
#10 Minniear Herbert C 1

Latest patents

Publication Filing date Title
US2512211A Velocity governor compensating device
US2452208A Velocity governor
US2369426A Automatic compensating centrifugal governor
US2411705A Booster control
US2370224A Compensating governor controlled throttle
US2356202A Governor spring structure
US2424503A Velocity governor
US2317022A Wide range centrifugal governor
GB540840A Suction governor for internal combustion engines
US2290797A Universal governor
US2280246A Fuel control mechanical breaker system and indicator
US2201629A Vehicle speed engine control device
US2131264A Vacuum actuated safety system for engines
US2257615A Low speed acceleration safety device
US2216240A Governor mechanism
US2241096A Wide range governor for diesel engines
US2273365A Vehicle control and speed indicating system
US2169268A Speedometer vehicle speed control device
US2142403A Pressure operable governor actuated vehicle speed control device
US2169267A Vehicle speed engine limiting device