Inventor
GAGNON-MARTIN DAVID
CA33 patents
⚠️ This page may combine multiple inventors who share the name “GAGNON-MARTIN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRATT & WHITNEY CANADA
27 patentsUS11761376B1Sep 19, 2023
Side plate for rotary engine
PRATT & WHITNEY CANADA9 citations85
US11613995B2Mar 28, 2023
Rotary engine with housing having silicon carbide plate
PRATT & WHITNEY CANADA9 citations84
US9046041B2Jun 2, 2015
Gearbox positioning device
PRATT & WHITNEY CANADA11 citations84
US11333068B1May 17, 2022
Side wall for rotary engine housing
PRATT & WHITNEY CANADA13 citations83
US9932892B2Apr 3, 2018
Compound engine assembly with coaxial compressor and offset turbine section
PRATT & WHITNEY CANADA7 citations83
US9896998B2Feb 20, 2018
Compound engine assembly with modulated flow
PRATT & WHITNEY CANADA10 citations83
US9879591B2Jan 30, 2018
Engine intake assembly with selector valve
PRATT & WHITNEY CANADA11 citations83
US9797297B2Oct 24, 2017
Compound engine assembly with common inlet
PRATT & WHITNEY CANADA9 citations83
US9353680B2May 31, 2016
Rotary internal combustion engine with pilot subchamber
PRATT & WHITNEY CANADA16 citations83
US9896934B2Feb 20, 2018
Rotary engine with rotor land
PRATT & WHITNEY CANADA7 citations82
US10247092B2Apr 2, 2019
Rotary internal combustion engine with cooled insert
PRATT & WHITNEY CANADA2 citations73
US9850758B2Dec 26, 2017
Apex and face seals with rotary internal combustion engine
PRATT & WHITNEY CANADA3 citations73
US10533487B2Jan 14, 2020
Engine intake assembly with selector valve
PRATT & WHITNEY CANADA1 citations72
US10082029B2Sep 25, 2018
Internal combustion engine with rotor having offset peripheral surface
PRATT & WHITNEY CANADA2 citations72
US12123370B2Oct 22, 2024
Rotary engine shim design for floating side plates
PRATT & WHITNEY CANADA2 citations71
US12110796B1Oct 8, 2024
Seal assembly for a rotary engine housing
PRATT & WHITNEY CANADA2 citations70
US10883414B2Jan 5, 2021
Engine intake assembly with selector valve
PRATT & WHITNEY CANADA0 citations62
US10823097B2Nov 3, 2020
Method and system for non-functional combustion chamber detection
PRATT & WHITNEY CANADA1 citations62
US11214377B2Jan 4, 2022
Mount arrangement for torque roll vibration isolation
PRATT & WHITNEY CANADA0 citations51
US11131194B2Sep 28, 2021
Apex seal arrangement for rotary internal combustion engine
PRATT & WHITNEY CANADA0 citations51
US10605084B2Mar 31, 2020
Internal combustion engine with rotor having offset peripheral surface
PRATT & WHITNEY CANADA0 citations51
US10533489B2Jan 14, 2020
Compound engine assembly with common inlet
PRATT & WHITNEY CANADA0 citations51
US11867101B1Jan 9, 2024
Assemblies and methods for controlling lubrication for rotary engine apex seals
PRATT & WHITNEY CANADA0 citations50
US12435661B1Oct 7, 2025
Rotary engine with seal having shield and elastomeric member
PRATT & WHITNEY CANADA0 citations49
US12252991B2Mar 18, 2025
Seal assembly for a rotary engine housing
PRATT & WHITNEY CANADA0 citations49
US9593580B2Mar 14, 2017
Wankel engine rotor
PRATT & WHITNEY CANADA0 citations41
US9334795B2May 10, 2016
Rotary internal combustion engine with static oil seal
PRATT & WHITNEY CANADA0 citations41
GEKHT EUGENE
6 patentsUS9121277B2Sep 1, 2015
Rotary internal combustion engine with cooled insert
GEKHT EUGENE12 citations83
US8967988B2Mar 3, 2015
Apex and face seals with rotary internal combustion engine
GEKHT EUGENE2 citations62
US8597006B2Dec 3, 2013
Apex seal for rotary internal combustion engine
GEKHT EUGENE3 citations62
US10344870B2Jul 9, 2019
Apex seal arrangement for rotary internal combustion engine
GEKHT EUGENE0 citations41
US8905736B2Dec 9, 2014
Port for rotary internal combustion engine
GEKHT EUGENE0 citations41
US8851870B2Oct 7, 2014
Gas seal arrangement for rotary internal combustion engine
GEKHT EUGENE0 citations41