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DAVIS FRANCIS W

Overview
  • Total Patents
    28
About

DAVIS FRANCIS W has a total of 28 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are DUERR AG, AMERICAN BICYCLE COMPANY and ROSS GEAR & TOOL CO.

Patent filings in countries

World map showing DAVIS FRANCIS Ws patent filings in countries
# Country Total Patents
#1 United States 26
#2 Canada 2

Patent filings per year

Chart showing DAVIS FRANCIS Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Davis Francis W 28

Latest patents

Publication Filing date Title
US4079908A Camera support apparatus
US3265074A Vented cigarette holder
US2784611A Fluid power steering gear
US2627187A Power steering gear
US2824314A Fluid power steering gear
US2696990A Carriage for suitcase or the like
US2661220A Wheel assembly for suitcases or the like
US2634708A Power booster mechanism with poppet valve controls for automotive steering gears
US2539993A Retractable wheel support for luggage
US2446909A Knife sharpener
US2410049A Power steering apparatus
US2385129A Gear lapping machine
US2261143A Gear
US2213271A Power-steering apparatus
US2206079A Pump
US2251664A Liquid circulating system
US2007423A Double acting servomotor
US1947973A Hydraulic steering mechanism with remote power unit
US1944002A Multiple hydraulic system
US1937485A Power steering gear