Inventor · Plymouth, MI, US

Peter John Grutter

26Patents
9h-index
45Co-inventors
75Inventor score

Filing activity: Aug 26, 1991 → Aug 15, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5431139A Air induction control system for variable displacement internal combustion engine Mechanical Engineering; Lighting; Heating 76 Expired
US5479898A Method and apparatus for controlling engine torque Emerging Cross-Sectional Technologies 49 Expired
US5519617A Torque managed traction control for the drive wheels of an automotive vehicle Mechanical Engineering; Lighting; Heating 40 Expired
US5159810A Catalytic converter monitoring using downstream oxygen sensor Emerging Cross-Sectional Technologies 35 Expired
US5289678A Apparatus and method of on-board catalytic converter efficiency monitoring Emerging Cross-Sectional Technologies 33 Expired
US6751534B2 System and method for providing feedback to a driver of a hybrid vehicle Emerging Cross-Sectional Technologies 31 Expired
US8192327B2 Methods and systems for assisted direct start control Emerging Cross-Sectional Technologies 23 Active
US5272872A Method and apparatus of on-board catalytic converter efficiency monitoring Emerging Cross-Sectional Technologies 19 Expired
US5547435A Automatic transmission gear shift control during power reduction Mechanical Engineering; Lighting; Heating 14 Expired
US8720633B2 All wheel drive speed synchronization and connection Mechanical Engineering; Lighting; Heating 9 Active
US8740744B2 Adjusting motor torque to compensate for uphill and downhill demands during cruise control in hybrid vehicle Emerging Cross-Sectional Technologies 7 Active
US8777805B2 System and method for controlling a driveline in a hybrid vehicle Emerging Cross-Sectional Technologies 5 Active
US8574122B2 Methods and systems for assisted direct start control Emerging Cross-Sectional Technologies 4 Active
US8647235B2 Temperature dependent minimum transmission input speed Emerging Cross-Sectional Technologies 3 Active
US9764726B2 Methods and systems for assisted direct start control Mechanical Engineering; Lighting; Heating 3 Active
US10300918B2 Vehicle traction and all-wheel drive control system Performing Operations; Transporting 2 Active
US9002600B2 Methods and systems for engine shut-down control Mechanical Engineering; Lighting; Heating 2 Active
US8321101B2 Temperature dependent minimum transmission input speed Emerging Cross-Sectional Technologies 2 Active
US8905896B2 Methods and systems for assisted direct start control Mechanical Engineering; Lighting; Heating 1 Active
US10137775B2 Vehicle all-wheel drive control system Mechanical Engineering; Lighting; Heating 1 Active
US9175658B2 Methods and systems for assisted direct start control Emerging Cross-Sectional Technologies 1 Active
US8597159B2 Methods and systems for assisted direct start control Mechanical Engineering; Lighting; Heating 1 Active
US10166865B2 Automatic control of driveline states Performing Operations; Transporting 0 Active
US10486676B2 Methods and systems for assisted direct start control Mechanical Engineering; Lighting; Heating 0 Active
US10150480B2 Vehicle all-wheel drive control system Mechanical Engineering; Lighting; Heating 0 Active

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