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HOLT WILLIAM E

Overview
  • Total Patents
    21
About

HOLT WILLIAM E has a total of 21 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, furniture and games and machines are LEX FRANZ, CLARKE SANDING MACHINE COMPANY and PONSELLE ROBERT A.

Patent filings in countries

World map showing HOLT WILLIAM Es patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 9

Patent filings per year

Chart showing HOLT WILLIAM Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holt William E 21
#2 Holt William R 2

Latest patents

Publication Filing date Title
US3039241A Floor surfacing machines
US3027581A Floor machine with adjustable handle assembly
US2949619A Floor machine with retractable wheels and adjustable handle assembly
US2817977A Drive unit for floor treating machines
US2596689A Floor sanding machine
US2468929A Drive unit for floor treating machines
US2561279A Floor maintenance machine
US2437958A Floor surfacing machine
US2246683A Maintenance machine
US2152352A Electric surfacing tool
US2001099A Floor surfacing machine
US2001098A Floor surfacing machine
CA564488A Floor maintenance machines
CA636685A Floor machine with retractable wheels and adjustable handle assembly
CA482433A Floor maintenance machines
CA496232A Floor sanding machines
CA601737A Drive unit for floor treating machines
CA460204A Floor surfacing machine
CA614775A Floor surfacing machine
CA477148A Drive units for floor treating machines