Patent assignee · US · COMPANY

Cummins Inc.

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1,541Patents
1,362Active
1,541Granted
64Portfolio score

Filing activity: Oct 6, 1997 → Aug 13, 2024 · 109 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6487717B1 System and method for transmission of application software to an embedded vehicle computer Physics 168 Expired
US6561157B2 Multiple operating mode engine and method of operation Emerging Cross-Sectional Technologies 134 Expired
US6571191B1 Method and system for recalibration of an electronic control module Physics 97 Expired
US6467270B2 Exhaust gas recirculation air handling system for an internal combustion engine Emerging Cross-Sectional Technologies 88 Expired
US9182764B1 Apparatus and method for grouping vehicles for cooperative driving Physics 86 Active
US6557530B1 Fuel control system including adaptive injected fuel quantity estimation Emerging Cross-Sectional Technologies 79 Expired
US6546329B2 System for controlling drivetrain components to achieve fuel efficiency goals Emerging Cross-Sectional Technologies 78 Expired
US6436005B1 System for controlling drivetrain components to achieve fuel efficiency goals Emerging Cross-Sectional Technologies 77 Expired
US6687601B2 System for diagnosing an air handling mechanism of an internal combustion engine Mechanical Engineering; Lighting; Heating 65 Expired
US6571168B1 System for determining fuel usage within a jurisdiction Physics 65 Expired
US6907870B2 Multiple operating mode engine and method of operation Emerging Cross-Sectional Technologies 64 Expired
US6659071B2 Internal combustion engine operable in PCCI mode with early control injection and method of operation Emerging Cross-Sectional Technologies 63 Expired
US6684849B2 Multiple operating mode engine and method of operation Emerging Cross-Sectional Technologies 61 Expired
US7866157B2 Waste heat recovery system with constant power output Mechanical Engineering; Lighting; Heating 59 Active
US6598468B2 Apparatus and methods for determining start of combustion for an internal combustion engine Emerging Cross-Sectional Technologies 58 Expired
US6360159B1 Emission control in an automotive engine Emerging Cross-Sectional Technologies 56 Expired
US6915776B2 Premixed charge compression ignition engine with optimal combustion control Emerging Cross-Sectional Technologies 56 Expired
US6401457B1 System for estimating turbocharger compressor outlet temperature Emerging Cross-Sectional Technologies 55 Expired
US6912998B1 Piezoelectric fuel injection system with rate shape control and method of controlling same Mechanical Engineering; Lighting; Heating 53 Expired
US8833324B2 Inertia assisted engine cranking Emerging Cross-Sectional Technologies 53 Active
US6516774B2 Premixed charge compression ignition engine with variable speed SOC control and method of operation Emerging Cross-Sectional Technologies 53 Expired
US6894601B1 System for conducting wireless communications between a vehicle computer and a remote system Physics 53 Expired
US6725847B2 Condensation protection AECD for an internal combustion engine employing cooled EGR Emerging Cross-Sectional Technologies 50 Expired
US7067319B2 System for diagnosing reagent solution quality and emissions catalyst degradation Emerging Cross-Sectional Technologies 50 Expired
US7997076B2 Rankine cycle load limiting through use of a recuperator bypass Mechanical Engineering; Lighting; Heating 49 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.