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DEERE JOHN TECH INT

Overview
  • Total Patents
    21
About

DEERE JOHN TECH INT has a total of 21 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are N S U MOTORENWERKE AG, MEYER LEONARD and NSU MOTORENWERKE AG.

Patent filings in countries

World map showing DEERE JOHN TECH INTs patent filings in countries
# Country Total Patents
#1 United States 6
#2 EPO (European Patent Office) 5
#3 Canada 4
#4 Japan 4
#5 Mexico 2

Patent filings per year

Chart showing DEERE JOHN TECH INTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jones Charles 5
#2 Abraham John 3
#3 Blum Edward J 2
#4 Bracco Frediano V 2
#5 Gigon Richard Maurice 2
#6 Blum Edward Jude 2
#7 Berkowitz Murray 2
#8 Meyer Andrew Enis 2
#9 Gigon Richard M 2
#10 Vatsky Arthur 2

Latest patents

Publication Filing date Title
US5123820A Pressure assisted apex seal with stepped slot
US4967796A Fuel injection regulating valve
US4969429A Lube oil control system for turbocharged rotary piston engine
US5022366A Rotary engine with dual spark plugs and fuel injectors
US4889091A Rotary valve for natural gas rotary engine
US4531900A Rotary engine cooling system
CA1202245A Multi-unit rotary mechanism
CA1205787A Rotary compressor or expansion engine of hypotrochoidal configuration and angularly displaced gear means