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FARREL BIRMINGHAM CO INC

Overview
  • Total Patents
    189
About

FARREL BIRMINGHAM CO INC has a total of 189 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets machines, machine tools and foods and drinks are MENZOLIT GMBH, DTL TECH LP and ADMIRAL GMBH MASCHF.

Patent filings in countries

World map showing FARREL BIRMINGHAM CO INCs patent filings in countries
# Country Total Patents
#1 United States 177
#2 Germany 6
#3 United Kingdom 6

Patent filings per year

Chart showing FARREL BIRMINGHAM CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schnuck Carl F 25
#2 Austin Kuhns 19
#3 Gasser Emil R 13
#4 Gordon William A 8
#5 Peter Hold 8
#6 Whittum Warren C 8
#7 Banbury Fernley H 8
#8 Farrel Jr Franklin 7
#9 Macleod Douglas W 6
#10 Lewis Richard C 6

Latest patents

Publication Filing date Title
US3139706A Roll grinder having loading and unloading roll-conveying means
US3191263A Calender rolls
US3135440A Discharge door operating mechanism for rubber mixers and the like
US3122090A Doctor blade for calender roll
US3181424A Counterbalancing mechanism
US3088250A Automated roll grinder
US3169323A Differential electronic roll caliper
US3070925A Tapering mechanism for roll-grinding machines
US3074695A Apparatus for controlling roll temperatures
US3073013A Process for assembling railroad wheels and axles
US2972774A Mixers for plastic materials with liquid discharge means
US3085311A Automated railroad wheel shop
US2994100A Doors for rubber mixers or the like
US3073017A Railroad wheel and axle assembly handling machine
US3050837A Railroad wheel mounting press
DE1197605B Mixer for rubber or the like.
GB832051A Mixer for rubber or the like material
US2971457A Calenders
GB839611A Machines such as calenders or the like
GB838475A Rubber mixer