Learn more

SMITH WILLIAM F

Overview
  • Total Patents
    40
About

SMITH WILLIAM F has a total of 40 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, electrical machinery and energy and surface technology and coating are FRIESEN CODY A, AER ENERGY RESOURCES INC and HAWKER ENERGY PRODUCTS INC.

Patent filings in countries

World map showing SMITH WILLIAM Fs patent filings in countries

Patent filings per year

Chart showing SMITH WILLIAM Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith William F 40
#2 Johnson Martin 2
#3 Sanford Edwin P 1
#4 Mays Elmo R 1

Latest patents

Publication Filing date Title
US2006222912A1 Modular regenerative fuel cell system
US6237863B1 Disengageable worm wheel gearbox
US4763641A Solar energy absorber
US4597378A Solar energy collector and glazing system
US3327431A Machine for abrading, polishing and cleaning
US2616189A Footwear identification plate
US2611515A Resilient closure for containers
US2263146A Coverall garment
US2251469A Bearing
US2172459A Shade roller fixture
US2233434A Ceramic support
US2231033A Ceramic support
US2182455A Flexible coupling
US2149983A Bearing
US1942669A Free wheeling transmission clutch
US1736889A Sign
US1583500A Nut-warming device
US1531988A Cuff
US1513646A Motor
US1294964A Vending-machine.