Inventor · North Vancouver, BC, CA

Gregory E. Stewart

55Patents
21h-index
53Co-inventors
87Inventor score

Filing activity: Dec 29, 2004 → Nov 13, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7328577B2 Multivariable control for an engine Emerging Cross-Sectional Technologies 129 Expired
US7275374B2 Coordinated multivariable control of fuel and air in engines Emerging Cross-Sectional Technologies 126 Expired
US10171297B2 Multivariable controller for coordinated control of computing devices and building infrastructure in data centers or other locations Emerging Cross-Sectional Technologies 116 Active
US7165399B2 Method and system for using a measure of fueling rate in the air side control of an engine Emerging Cross-Sectional Technologies 97 Expired
US7591135B2 Method and system for using a measure of fueling rate in the air side control of an engine Emerging Cross-Sectional Technologies 95 Active
US7389773B2 Emissions sensors for fuel control in engines Mechanical Engineering; Lighting; Heating 92 Expired
US7577483B2 Automatic tuning method for multivariable model predictive controllers Physics 89 Expired
US8078291B2 Methods and systems for the design and implementation of optimal multivariable model predictive controllers for fast-sampling constrained dynamic systems Physics 83 Active
US7155334B1 Use of sensors in a state observer for a diesel engine Mechanical Engineering; Lighting; Heating 82 Expired
US7878178B2 Emissions sensors for fuel control in engines Mechanical Engineering; Lighting; Heating 81 Active
US8109255B2 Engine controller Mechanical Engineering; Lighting; Heating 78 Active
US7650195B2 Automated tuning of large-scale multivariable model predictive controllers for spatially-distributed processes Physics 66 Expired
US7958730B2 Control of dual stage turbocharging Emerging Cross-Sectional Technologies 56 Active
US7415389B2 Calibration of engine control systems Physics 53 Expired
US7467614B2 Pedal position and/or pedal change rate for use in control of an engine Emerging Cross-Sectional Technologies 45 Expired
US8360040B2 Engine controller Mechanical Engineering; Lighting; Heating 45 Active
US7469177B2 Distributed control architecture for powertrains Mechanical Engineering; Lighting; Heating 44 Expired
US8504175B2 Using model predictive control to optimize variable trajectories and system control Physics 39 Active
USRE44452E1 Pedal position and/or pedal change rate for use in control of an engine General 38 Active
US7752840B2 Engine exhaust heat exchanger Emerging Cross-Sectional Technologies 31 Active
US7515975B2 Technique for switching between controllers Physics 28 Active
US7810313B2 Method and system for the simultaneous measurement of a plurality of properties associated with an exhaust gas mixture Emerging Cross-Sectional Technologies 21 Active
US9223301B2 Active cloud point controller for refining applications and related method Emerging Cross-Sectional Technologies 19 Active
US7603185B2 System for gain scheduling control Physics 17 Active
US7820012B2 Reverse bump test for closed-loop identification of CD controller alignment Textiles; Paper 13 Active

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