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WINTERS DAVID L

Overview
  • Total Patents
    31
About

WINTERS DAVID L has a total of 31 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and environmental technology are OHLSSON & RICE INC, BRIDGEMORE ENG LTD and CADILLAC MOTOR CAR COMPANY.

Patent filings in countries

World map showing WINTERS DAVID Ls patent filings in countries
# Country Total Patents
#1 United States 30
#2 Canada 1

Patent filings per year

Chart showing WINTERS DAVID Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Winters David L 31

Latest patents

Publication Filing date Title
US4339057A Filter paper dispenser
US2309686A Bombing mechanism for aircraft
US2110350A Speed control system for vehicles
US2124900A Dual brake controlling mechanism for vehicles
US2073772A Speed control system for vehicles
US1689707A Attachment for spark plugs
US1485658A Carburetor
US1408329A Two-cycle internal-combustion engine
US1403218A Internal-combustion engine
US1342656A Method of operating internal-combustion engines
US1430482A Carburetor
US1384291A Method of operating and a controlling means for carbureters
US1275117A Gas-engine attachment.
US1277164A Key.
US1252639A Spark-plug tester.
US1278410A Automobile attachment.
US1243122A Valve.
US1337338A Method of and means for supplying internal-combustion engines with fuel
US1286474A Carbureter control.
US1177220A Method of and apparatus for washing and refilling locomotives.