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WITZKY JULIUS E

Overview
  • Total Patents
    14
About

WITZKY JULIUS E has a total of 14 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United States, Canada and Austria. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are SONEX RES INC, ACRO AKT GES and FRANKE WALTER.

Patent filings in countries

World map showing WITZKY JULIUS Es patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2
#3 Austria 1
#4 Switzerland 1

Patent filings per year

Chart showing WITZKY JULIUS Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Witzky Julius E 13
#2 Jakob Richard J 3
#3 Lang Wolfgang S 3
#4 Julius E Witzky 1

Latest patents

Publication Filing date Title
US2932289A Precombustion chamber
US2882873A Stratified spark ignition internal combustion engine
US2910973A Variable compression ratio type engine
US2831468A Fuel injection for internal combustion engines
US2775232A Valve rotator
US2991768A Pre-combustion chamber for internal combustion engines
US2584408A Injection pump for internalcombustion engines
US2619189A Lubricating system for internal-combustion engines
US2568576A Counterbalanced crankshaft for internal-combustion engines
US2619078A Cylinder head assembly for internal-combustion engines
CA594637A Variable compression ratio type engine
CA573846A Low pressure engine