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HILL WILLIAM H

Overview
  • Total Patents
    30
About

HILL WILLIAM H has a total of 30 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are FERRY CAP & SET SCREW CO, PARIETTI PIETRO and SUGIMOTO TAKESHIGE.

Patent filings in countries

World map showing HILL WILLIAM Hs patent filings in countries
# Country Total Patents
#1 United States 21
#2 Canada 5
#3 United Kingdom 4

Patent filings per year

Chart showing HILL WILLIAM Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hill William H 26
#2 Patch Alexander M 2
#3 Wright Herbert B 2
#4 Smith Sanford George 1
#5 Clyde Hall Hermon 1

Latest patents

Publication Filing date Title
GB0028147D0 Linear transfer rail joint
GB9925201D0 L t r j linear transfer rail joint
GB9025737D0 Device and method
GB9016804D0 Device and method
CA1107216A Separation of hydrocarbons from oil shales and tar sands
US4133742A Separation of hydrocarbons from oil shales and tar sands
US2543969A Neutral selecting mechanism for change-speed gear boxes
US2520209A Operating mechanism for change speed gears
US2215151A Sanding head
US2027775A Stop motion for looms
US1816432A Internal combustion engine
US1692339A Internal-combustion engine
US1629381A Automobile pedal
US1678045A Fuel vaporizer
US1564348A Contents-preserving device for safes
US1599131A Vaporizer
US1436100A Fuel vaporizer
US1334700A Vehicle-spring construction
US1424142A Kerosene vaporizer
US1460583A Kerosene vaporizer