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FARREL BIRMINGHAM CO

Overview
  • Total Patents
    61
About

FARREL BIRMINGHAM CO has a total of 61 patent applications. Its first patent ever was published in 1929. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets machines, machine tools and chemical engineering are WIEDEMANN GOTTFRIED, MORIYAMA KK and SHANGHAI QINGYUAN PIPE TECHNOLOGY CO LTD.

Patent filings in countries

World map showing FARREL BIRMINGHAM COs patent filings in countries
# Country Total Patents
#1 Canada 37
#2 United Kingdom 20
#3 United States 2
#4 Germany 1
#5 France 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kuhns Austin 9
#2 Gasser Emil R 8
#3 Schnuck Carl F 4
#4 Gasser Emil Rudolph 4
#5 Hold Peter 3
#6 Lewis Richard C 3
#7 Whittum Warren C 3
#8 Hedman Gustave Helge 2
#9 Chase Donald C 2
#10 Manger Paul A 1

Latest patents

Publication Filing date Title
DE1269795B Mixer for plastic masses
GB886370A Mixing device
GB857646A Mixing apparatus
GB848596A Extrusion device for plastic material
GB819880A An improved grinding machine
GB774651A Improvements in or relating to discharge door for rubber mixers
GB765383A Apparatus for extruding plastic material
GB705127A Improvements in sealing means for the rotary shafts of mixers for rubber and other plastic materials
GB710801A Improvements in or relating to venting means for chambers of mixers or masticators
GB722531A Improvements in or relating to calenders and the like
GB695312A Improvements in or relating to rolls for calenders or like machines
GB685894A Improvements in or relating to roll grinding or polishing devices
GB642160A Improvements in or relating to apparatus for treating rubber
US2152503A Vulcanizing and stretching press
GB418119A Improvements in mixers for plastics
GB362280A Machines for plasticating materials
US1937985A Roll grinding or similar machine
CA418302A Hydraulic clutch control system
CA388991A Hydraulic clutch assembly
CA298430A Roll caliper