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PRATT & WHITNEY CO INC

Overview
  • Total Patents
    53
About

PRATT & WHITNEY CO INC has a total of 53 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United States, Germany and Switzerland. Its main competitors in its focus markets machine tools, machines and measurement are MORI SEIKI SEISAKUSHO KK, GIDDINGS & LEWIS and YAMAZAKI MAZAK KABUSHIKI.

Patent filings in countries

World map showing PRATT & WHITNEY CO INCs patent filings in countries
# Country Total Patents
#1 United States 43
#2 Germany 4
#3 Switzerland 3
#4 France 2
#5 United Kingdom 1

Patent filings per year

Chart showing PRATT & WHITNEY CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dexter Jr Albert M 5
#2 Wright Alexander M 4
#3 Jaeger Jacob J 3
#4 Chandler Milton E 3
#5 Whitney Charles A 3
#6 Knight Edwin L 2
#7 Hawley William J 2
#8 Kamm Lawrence Joseph 2
#9 Clough Arthur H 2
#10 Tinker Wayne E 2

Latest patents

Publication Filing date Title
US4979928A Belt pulley
US4850146A Apparatus for grinding a workpiece
US4831782A Apparatus for grinding a workpiece
US4791575A Method for generating axis control data for use in controlling a grinding machine and the like and system therefor
US3136561A Collet for fluted shankless tool
US3135523A Adjustable chuck jaw
US3162074A Multiple adjustable tool holder
US3122838A Indicating device and zero adjustment therefor
US3102342A Precision gaging systems and apparatus
US2949797A Cutter head and counterweight support for machine tools
US3021705A Pneumatic gaging device
US2917314A Chuck jaw adjusting means
US2991558A Air gage cartridge
US3003401A Screw thread matching device for milling machines
US2932089A Continuous electric dimension gage
US2972883A Adjustable pneumatic gage
US2879695A Tracer control for profiling machine tools
US2877643A Dual magnification dimension gage
US2851565A Pressure responsive switch
US2997873A Pneumatic dimension gage