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AINSWORTH HARRY G

Overview
  • Total Patents
    18
About

AINSWORTH HARRY G has a total of 18 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and consumer goods are PERKINS & POWELL LTD, NIPPON DOOR CHECK MFG CORP and FIN MEN S P A.

Patent filings in countries

World map showing AINSWORTH HARRY Gs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 7

Patent filings per year

Chart showing AINSWORTH HARRY Gs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines
#3 Consumer goods

Top inventors

# Name Total Patents
#1 Ainsworth Harry G 18

Latest patents

Publication Filing date Title
US1941454A Door operating mechanism
US1783354A Door-operating mechanism
US1594513A Apparatus for operating sliding doors and the like
US1594514A Apparatus for operating hinged doors
US1544543A Garage door
US1490065A Door-operating mechanism
US1502707A Inwardly-operating door-control mechanism
US1544542A Door-operating mechanism
US1519749A Door control
US1441391A Mechanical movement
US1335927A Trousers-support
CA286187A Door mechanism
CA273382A Door mechanism
CA247632A Door operating mechanism
CA320924A Door operating mechanism
CA273380A Garage door
CA247631A Door operating mechanism
CA273381A Door mechanism