Inventor · Chillicothe, IL, US

Christopher F. Gallmeyer

19Patents
5h-index
33Co-inventors
66Inventor score

Filing activity: May 10, 1999 → Feb 22, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6376966B1 Method and apparatus for controlling a piezoelectric device Electricity 15 Expired
US6227157A Engine glow plug systems and methods Mechanical Engineering; Lighting; Heating 14 Expired
US7946117B2 Onboard method of determining EGR flow rate Emerging Cross-Sectional Technologies 6 Active
US7520266B2 Fuel injector control system and method Mechanical Engineering; Lighting; Heating 5 Active
US6703761B2 Method and apparatus for restraining temperature induced deformation of a piezoelectric device Electricity 5 Expired
US6285115A Method and apparatus for controlling position and velocity of a piezoelectric device Electricity 5 Expired
US6400062B1 Method and apparatus for temperature compensating a piezoelectric device Electricity 4 Expired
US9212618B2 Injection timing management in dual fuel engine system Emerging Cross-Sectional Technologies 4 Active
US6597083B2 Method and apparatus for compensating for temperature induced deformation of a piezoelectric device Electricity 3 Expired
US9599040B2 Fuel apportionment for multi fuel engine system Emerging Cross-Sectional Technologies 2 Active
US11306669B1 System, apparatus, and method for controlling an engine system to account for varying fuel quality Emerging Cross-Sectional Technologies 1 Active
US6794795B2 Method and apparatus for exciting a piezoelectric material Electricity 1 Expired
US11035317B2 Controlling pilot fuel injection in an engine Emerging Cross-Sectional Technologies 0 Active
US8667937B2 Apparatus for sensing cam phaser position Mechanical Engineering; Lighting; Heating 0 Active
US9488114B2 Control strategy for dual gaseous and liquid fuel internal combustion engine Emerging Cross-Sectional Technologies 0 Active
US10927776B2 Transient controller and method for dual fuel engine Emerging Cross-Sectional Technologies 0 Active
US11434842B1 Derating operating strategy and gaseous fuel engine control system Mechanical Engineering; Lighting; Heating 0 Active
US11359557B2 Method and system for load control in an internal combustion engine Mechanical Engineering; Lighting; Heating 0 Active
US9528922B2 System and method for determining the specific gravity of a gaseous fuel Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.