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CUSHMAN IND INC

Overview
  • Total Patents
    26
About

CUSHMAN IND INC has a total of 26 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets machine tools, machines and mechanical elements are CUCCHI GIOVANNI, BUCK TOOL CO and CUSHMAN CHUCK CO.

Patent filings in countries

World map showing CUSHMAN IND INCs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Germany 5
#3 Canada 3
#4 United Kingdom 1

Patent filings per year

Chart showing CUSHMAN IND INCs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Selden Boynton 6
#2 Pruden Samuel H 6
#3 Roddy John J 3
#4 Swanson L 3
#5 Kunz James B 2
#6 Swanson Linwood B 2
#7 Swanson Linwood Bertil 1
#8 Wallace Walter 1
#9 Goodrum Richard B 1
#10 Skillin Walter F 1

Latest patents

Publication Filing date Title
US4667970A Long-stroke high-force chuck
DE3338898A1 Wedge-type collet chuck
US4424977A Wedge chuck
CA1133243A Fluid operating mechanism for a rotary chuck
GB2083385A Chuck operation
DE3029432A1 Fluid operating mechanism for rotary chuck - has cylinder piston defining opposite chuck opening and closing ends, normally biassed closed
US4314706A Chucks of constant jaw force
CA1123627A Jaw force gauge
US4249459A Fluid coupling for a rotary chuck
US4221160A Fluid operating mechanism for a rotary chuck
US4009888A Self-contained power chuck with centrifugally balanced jaws
US3908383A Rotary chuck installation of fluid-actuated type
US3922952A Hydraulic operating mechanism for a rotary chuck
US3797837A Chuck with jaw-guiding-and-supporting bores
US3751053A Chuck with centering and compensating jaws
US3735670A Fluid-actuated chuck-operating mechanism with a fluid lock
US3730539A Chuck of high-low operation
US3610645A Chuck of wedge-actuated jaw type
US3610644A Heavy-duty chuck
US3248122A Chuck of draw-down type