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CUMMINS ENGINE CO INC

Overview
  • Total Patents
    2,046
About

CUMMINS ENGINE CO INC has a total of 2,046 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, Japan and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are EMIL SCHIMANEK, CSXT INTELLECTUAL PROPERTIES C and STURMAN ODED EDDIE.

Patent filings per year

Chart showing CUMMINS ENGINE CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perr Julius P 117
#2 Peters Lester L 91
#3 Muntean George L 52
#4 Tarr Yul J 45
#5 Taylor Dennis O 35
#6 Reid David L 34
#7 Roettgen Leslie A 34
#8 Perr J 31
#9 Smith Edward D 31
#10 Glasson Richard E 30

Latest patents

Publication Filing date Title
US2006042590A1 Start-up control of internal combustion engines
US6651638B1 System and method for derating an engine to encourage servicing of a vehicle
US6679953B1 Method for assembling and hardening a ball plug in a counterbore of a fuel injector nozzle assembly
GB0500181D0 Regulating speed of an internal combustion engine
US6876097B2 System for regulating speed of an internal combustion engine
GB0121021D0 Apparatus and method for cleaning a probe tip
US6629349B2 Apparatus for removal and installation of a fuel injector
GB0305849D0 A system for and a method of controlling a vehicle drivetrain
US6595436B2 Proportional needle control injector
US6557779B2 Variable spray hole fuel injector with dual actuators
US6546912B2 On-line individual fuel injector diagnostics from instantaneous engine speed measurements
US6578282B2 Disposable cylinder head bolt torque sequence template
US7028918B2 Fuel injector having a nozzle with improved cooling
US6543227B2 Automated active variable geometry turbocharger diagnosis system
US6425382B1 Air-exhaust mixer assembly
US6321536B1 Pneumatically controlled exhaust throttle for delivering EGR on turbocharged engines
US6463898B1 Rocker lever ball socket retainer
US6502293B1 Tooling for camshaft gear removal
US6474319B1 Filter system for the removal of hydrocarbon deposits from a cooled exhaust gas recirculating engine
US6330872B1 Cylinder head casting with gusset ribs