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FELLOWS GEAR SHAPER CO

Overview
  • Total Patents
    335
About

FELLOWS GEAR SHAPER CO has a total of 335 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets machine tools, machines and measurement are GLEASON PFAUTER MASCHINENFABRI, DRUMMOND ROBERT S and SUNDERLAND SAM.

Patent filings in countries

World map showing FELLOWS GEAR SHAPER COs patent filings in countries
# Country Total Patents
#1 United States 187
#2 United Kingdom 68
#3 France 52
#4 Germany 22
#5 Canada 4
#6 Austria 2

Patent filings per year

Chart showing FELLOWS GEAR SHAPER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miller Edward W 93
#2 Fellows Edwin R 22
#3 Bean Arthur I 10
#4 Praeg Walter S 10
#5 Everard Stubbs 7
#6 Ross Walter F 6
#7 Insley Bean Arthur 5
#8 Williamson James L 5
#9 Burnham Clarence W 4
#10 Miller Edward Whitney 4

Latest patents

Publication Filing date Title
US3741659A Bias corrected measuring instrument
US3628359A Forming tool
US3566651A Method and apparatus for forming internally profiled tubular parts by material displacement
US3472125A Hydraulic servo cylinder override
US3509600A Electrohydraulic servo control
US3382767A Gear shaper driving means
US3396563A Method of forming profiled objects
US3318194A Gear shaper back-off mechanism
US3358374A Measuring and inspecting device for gears and the like
US3324604A Method of grinding gear shaper cutters
US3225658A Cutter spindle elevating mechanism
US3165199A Method of forming shouldered articles
US3071897A Mechanism for crowning gears
US3188745A Tooth space measuring machine
US3120063A Cutter testing mechanism
US3036337A Injection molding machine with cushioning device
GB851269A Improvements in and relating to gear shaping machines
US3021765A Variable feed and speed mechanism for gear shaping machines and the like
US3007374A Workholding fixture for gear cutting machines
US2821025A Gear measuring instrument