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HILL ENGINEERING CORP

Overview
  • Total Patents
    39
About

HILL ENGINEERING CORP has a total of 39 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, mechanical elements and transport are MCCOLLUM JAMES H K, AUTOMATIC DRIVE AND TRANSMISSI and WEMP ERNEST E.

Patent filings in countries

World map showing HILL ENGINEERING CORPs patent filings in countries
# Country Total Patents
#1 United States 25
#2 Canada 8
#3 United Kingdom 3
#4 France 2
#5 Germany 1

Patent filings per year

Chart showing HILL ENGINEERING CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hill Edward G 29
#2 Hey Henry W 10
#3 Ingres Jeannot G 3
#4 Phillips John X 2
#5 Hill Jr Edward G 1

Latest patents

Publication Filing date Title
US2365469A Clutch control mechanism
US2326943A Clutch control mechanism
US2365470A Clutch control mechanism
US2339701A Clutch control mechanism
US2320182A Clutch control mechanism for motor vehicles
US2330424A Clutch control mechanism
US2160331A Automatic gear shifting mechanism
GB460660A Improvements in gear shifting mechanism
GB450052A Improvements in variable speed transmission mechanism
US2180937A Vehicle brake mechanism
US2184616A Clutch control mechanism for motor vehicles
US2083530A Clutch control mechanism
US2086501A Clutch control mechanisms
US2109443A Automatic gear shifting mechanism
GB425651A Improvements in vehicle brake mechanism
US2000331A Motor vehicle clutch control mechanism
US2100053A Brake control mechanism
US1964693A Motor vehicle clutch control mechanism
US2049738A Clutch control device for motor vehicles
US2016999A Automatic clutch control apparatus