Inventor
MENHEERE DAVID
CA66 patents
⚠️ This page may combine multiple inventors who share the name “MENHEERE DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRATT & WHITNEY CANADA
41 patentsUS9533485B2Jan 3, 2017
Compressor variable vane assembly
PRATT & WHITNEY CANADA22 citations92
US10550767B2Feb 4, 2020
Gas turbine engine recuperator with floating connection
PRATT & WHITNEY CANADA6 citations84
US10253687B2Apr 9, 2019
Auxiliary power unit with electrically driven compressor
PRATT & WHITNEY CANADA6 citations84
US10240522B2Mar 26, 2019
Auxiliary power unit with combined cooling of generator
PRATT & WHITNEY CANADA10 citations84
US10240521B2Mar 26, 2019
Auxiliary power unit with variable speed ratio
PRATT & WHITNEY CANADA8 citations84
US9003638B2Apr 14, 2015
Method of assembling an electromechanical device in a gas-turbine engine
PRATT & WHITNEY CANADA11 citations83
US8829702B1Sep 9, 2014
Gas turbine engine with internal electromechanical device
PRATT & WHITNEY CANADA14 citations83
US11698024B1Jul 11, 2023
System and method of anti-icing inlet guide vanes
PRATT & WHITNEY CANADA5 citations75
US11674408B1Jun 13, 2023
Actively controlled bleed valve
PRATT & WHITNEY CANADA5 citations75
US11529705B1Dec 20, 2022
Torque transfer coupling and tool for assembly thereof
PRATT & WHITNEY CANADA2 citations73
US11118457B2Sep 14, 2021
Method for fan blade heating using coanda effect
PRATT & WHITNEY CANADA4 citations73
US11073082B2Jul 27, 2021
Fan blade anti-icing concept
PRATT & WHITNEY CANADA2 citations73
US10934930B2Mar 2, 2021
Auxiliary power unit with variable speed ratio
PRATT & WHITNEY CANADA2 citations73
US10329955B2Jun 25, 2019
Oil system for turbine engine and related method
PRATT & WHITNEY CANADA6 citations73
US9724746B2Aug 8, 2017
Aerodynamically active stiffening feature for gas turbine recuperator
PRATT & WHITNEY CANADA6 citations73
US11181010B2Nov 23, 2021
Aircraft engine and air-oil separator system therefore
PRATT & WHITNEY CANADA5 citations72
US10253726B2Apr 9, 2019
Engine assembly with combined engine and cooling exhaust
PRATT & WHITNEY CANADA2 citations72
US9347373B2May 24, 2016
Gas turbine engine with transmission
PRATT & WHITNEY CANADA6 citations72
US11767885B2Sep 26, 2023
Torque transfer coupling
PRATT & WHITNEY CANADA3 citations71
US11519337B2Dec 6, 2022
Gas turbine auxiliary power unit
PRATT & WHITNEY CANADA3 citations71
US10060444B2Aug 28, 2018
Compressor variable vane assembly
PRATT & WHITNEY CANADA4 citations71
US11608782B2Mar 21, 2023
Axial inertial particle separator for turbine engine
PRATT & WHITNEY CANADA2 citations69
US11261789B2Mar 1, 2022
Inertial particle separator for turbine engine
PRATT & WHITNEY CANADA2 citations69
US12065972B2Aug 20, 2024
Buffer fluid delivery system and method for a shaft seal of a gas turbine engine
PRATT & WHITNEY CANADA0 citations63
US11732609B2Aug 22, 2023
Connecting arrangement between components of an aircraft engine
PRATT & WHITNEY CANADA1 citations63
US11572837B2Feb 7, 2023
Buffer fluid delivery system and method for a shaft seal of a gas turbine engine
PRATT & WHITNEY CANADA0 citations63
US11530649B2Dec 20, 2022
Hybrid gas turbine engine and torque transfer assembly therefore
PRATT & WHITNEY CANADA0 citations63
US12116928B2Oct 15, 2024
Aircraft engine having two radially offset turbines
PRATT & WHITNEY CANADA0 citations62
US11719101B2Aug 8, 2023
Mechanical drive shaft arrangements for tail cone generators
PRATT & WHITNEY CANADA1 citations62
US11649734B1May 16, 2023
Variable guide vane control system
PRATT & WHITNEY CANADA0 citations62
US11542836B2Jan 3, 2023
Bi-material joint for engine
PRATT & WHITNEY CANADA1 citations62
US11391208B2Jul 19, 2022
Fan blade anti-icing concept
PRATT & WHITNEY CANADA0 citations62
US11268405B2Mar 8, 2022
Bearing support structure with variable stiffness
PRATT & WHITNEY CANADA0 citations62
US11230947B2Jan 25, 2022
Gas turbine engine having oil level measurement system
PRATT & WHITNEY CANADA0 citations62
US11384687B2Jul 12, 2022
Anti-icing system for gas turbine engine
PRATT & WHITNEY CANADA0 citations60
US11085319B2Aug 10, 2021
Gas turbine engine tip clearance control system
PRATT & WHITNEY CANADA0 citations60
US11215124B2Jan 4, 2022
System and method for conditioning a fluid using bleed air from a bypass duct of a turbofan engine
PRATT & WHITNEY CANADA1 citations59
US12583609B2Mar 24, 2026
Exhaust duct for hybrid aircraft powerplant
PRATT & WHITNEY CANADA0 citations52
US12535183B2Jan 27, 2026
Fluid flow metering device for aircraft shaft(s)
PRATT & WHITNEY CANADA0 citations52
US12486803B2Dec 2, 2025
Gas turbine engine system with fuel driven turbine
PRATT & WHITNEY CANADA0 citations52
US12221971B1Feb 11, 2025
Bleed valve assembly for aircraft engines
PRATT & WHITNEY CANADA0 citations52
ELEFTHERIOU ANDREAS
8 patentsUS9766019B2Sep 19, 2017
Swirl reducing gas turbine engine recuperator
ELEFTHERIOU ANDREAS33 citations93
US9068506B2Jun 30, 2015
Turbine engine heat recuperator system
ELEFTHERIOU ANDREAS27 citations92
US9394828B2Jul 19, 2016
Gas turbine engine recuperator with floating connection
ELEFTHERIOU ANDREAS12 citations84
US8956108B2Feb 17, 2015
Geared fan assembly
ELEFTHERIOU ANDREAS10 citations84
US9395122B2Jul 19, 2016
Diffusing gas turbine engine recuperator
ELEFTHERIOU ANDREAS12 citations83
US8632299B2Jan 21, 2014
Engine case with wash system
ELEFTHERIOU ANDREAS4 citations73
US8979484B2Mar 17, 2015
Casing for an aircraft turbofan bypass engine
ELEFTHERIOU ANDREAS2 citations63
US8801376B2Aug 12, 2014
Fabricated intermediate case with engine mounts
ELEFTHERIOU ANDREAS2 citations62
IVAKITCH RICHARD
1 patentShowing the top 50 of 66 patents by PatentIndex Score.