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SUNDSTRAND MACHINE TOOL CO

Overview
  • Total Patents
    219
About

SUNDSTRAND MACHINE TOOL CO has a total of 219 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machine tools, machines and engines, pumps and turbines are CONRADSON CONRAD M, AMERICAN TOOL WORKS CO and LODGE & SHIPLEY MACHINE TOOL COMPANY.

Patent filings in countries

World map showing SUNDSTRAND MACHINE TOOL COs patent filings in countries
# Country Total Patents
#1 United States 139
#2 United Kingdom 37
#3 Canada 22
#4 France 18
#5 Germany 2
#6 Switzerland 1

Patent filings per year

Chart showing SUNDSTRAND MACHINE TOOL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wahlmark Gunnar A 16
#2 Granberg Bengt R 14
#3 Dumser Leo A 12
#4 David Sundstrand Gustaf 12
#5 Swanson Fred R 11
#6 Svenson Ernest J 10
#7 Hann Melvin M 9
#8 Stoyke Ludwig T 7
#9 Schroeder Clement J 6
#10 Ericson Alfred G 6

Latest patents

Publication Filing date Title
US2903902A Backlash takeup mechanism
GB814793A Rubbing machine
GB823795A Servo positioning mechanism
GB813279A Improvements in or relating to centrifugal-type governors
US2900527A Generator control system
GB788714A Improvements in or relating to drive mechanism
GB791992A Improvements in or relating to hydraulic pump or motor
US2845306A Hot gas valve for turbine speed control
GB805255A Improvements in or relating to a clamping device in machine tools
US2869567A Flow controller unit for stack valve
US2877677A Tracer control for machine tools
GB794851A Improvements in or relating to a centrifugal governor
GB822712A Apparatus for automatically relatively positioning workholders, tools and the like
US2892413A Anti-hum device
US2890877A Governor
GB802914A Improvements in hydraulic transmission systems
US2832403A Air-oil unit
US2888810A Hydraulic control system for a refrigeration drive
US2885566A Control means
US2832197A Pressure regulating apparatus for a hydraulic control system