Learn more

GEMMER MFG CO

Overview
  • Total Patents
    109
About

GEMMER MFG CO has a total of 109 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, machines and mechanical elements are GEMMER FRANCE, LEMFORDER NACAM SA and ADAMANT ENGINEERING COMPANY LT.

Patent filings in countries

World map showing GEMMER MFG COs patent filings in countries
# Country Total Patents
#1 United States 53
#2 Canada 17
#3 United Kingdom 17
#4 France 15
#5 Germany 6
#6 Belgium 1

Patent filings per year

Chart showing GEMMER MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hammond Charles F 21
#2 Henry Marles 20
#3 Pulleyblank Harper E 9
#4 Osburn Wallace N 5
#5 Hammond Charles Frederick 5
#6 Marles Henry 4
#7 Hokansson Karl B 3
#8 Hammond Jr Charles F 3
#9 Ragan Frederick H 3
#10 Richard Flury 2

Latest patents

Publication Filing date Title
US3081644A Close tolerance anti-friction component assembly
GB774723A Improvements in or relating to steering mechanism for road vehicles
US2784600A Manual and power actuated steering mechanism for motor vehicles
US2769348A Manual and power actuated steering mechanism for motor vehicles
US2724977A Manual and power actuated steering mechanism
US2754924A Manual and hydraulic power actuated steering gear
GB716462A Rotary constant delivery pump
US2707375A Manual and power actuated steering gear
US2650669A Manual and hydraulic power actuated steering gear
GB638882A Vehicle steering gear
GB628676A Shock-absorbing steering gears
US2396119A Safety live line electrical connector
US2371442A Irreversible transmission
US2299979A Pump
US2284203A Rotary snubber
US2319880A Steering gear
US2284201A Vehicle steering gear
US2284202A Shock absorbing steering gear
US2232473A Self-adjusting antifriction bearing
US2216881A Direction signal switch