Inventor · Kalamazoo, MI, US

Bret M. Olson

74Patents
7h-index
74Co-inventors
71Inventor score

Filing activity: Aug 1, 2007 → Mar 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8961355B2 Method for controlling a multi-speed transmission having four planetary gear sets for producing at least nine gear speeds Mechanical Engineering; Lighting; Heating 87 Active
US8343007B2 Compact multi-speed automatic transmission Mechanical Engineering; Lighting; Heating 52 Active
US8707694B2 Shape memory alloy actuator Mechanical Engineering; Lighting; Heating 19 Active
US8413777B2 High efficiency hydraulic transmission control system Emerging Cross-Sectional Technologies 12 Active
US8402859B2 Barrel cam shift mechanism Emerging Cross-Sectional Technologies 12 Active
US8475336B2 Hydraulic control system for a dual clutch transmission Mechanical Engineering; Lighting; Heating 9 Active
US8225687B2 Hydraulic control systems for dual clutch transmissions Emerging Cross-Sectional Technologies 8 Active
US8356529B2 Hydraulic control systems for dual clutch transmissions Emerging Cross-Sectional Technologies 7 Active
US8359941B2 Hydraulic control systems for dual clutch transmissions Emerging Cross-Sectional Technologies 7 Active
US8429994B2 Hydraulic control systems for dual clutch transmissions Emerging Cross-Sectional Technologies 7 Active
US8578803B2 Synchronizer actuation assembly Emerging Cross-Sectional Technologies 6 Active
US8403792B2 Hydraulic control systems for dual clutch transmissions Emerging Cross-Sectional Technologies 6 Active
US8402855B2 Hydraulic control systems for dual clutch transmissions Emerging Cross-Sectional Technologies 6 Active
US8967008B2 Layshaft automatic transmission Emerging Cross-Sectional Technologies 6 Active
US8037989B2 Torque transmitting device actuation system using a piezoelectric pump Mechanical Engineering; Lighting; Heating 5 Active
US8567580B2 Electro-hydraulic control system for a dual clutch transmission Mechanical Engineering; Lighting; Heating 5 Active
US8210976B2 Control system for an automatic transmission having multiple default modes Emerging Cross-Sectional Technologies 5 Active
US8234946B2 Hydraulic control system for a dual clutch transmission Emerging Cross-Sectional Technologies 5 Active
US8364361B2 Transmission clutch control apparatus and method Mechanical Engineering; Lighting; Heating 5 Active
US8844392B2 Electro-hydraulic and electro-mechanical control system for a dual clutch transmission Emerging Cross-Sectional Technologies 4 Active
US8678780B2 Transmission hydraulic control system having a pump bypass valve Mechanical Engineering; Lighting; Heating 4 Active
US8845491B2 Micro-electro-mechanical-system (MEMS) based hydraulic control system for automated manual transmissions Emerging Cross-Sectional Technologies 4 Active
US8615349B2 Method of detecting filling of hydraulic clutch Mechanical Engineering; Lighting; Heating 4 Active
US8738257B2 Electro-hydraulic control system and method for a dual clutch transmission Mechanical Engineering; Lighting; Heating 4 Active
US8942901B2 Method of controlling a hydraulic control system for a dual clutch transmission Emerging Cross-Sectional Technologies 3 Active

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