Inventor
TOPOL DAVID A
US36 patents
⚠️ This page may combine multiple inventors who share the name “TOPOL DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
22 patentsUS8834099B1Sep 16, 2014
Low noise compressor rotor for geared turbofan engine
UNITED TECHNOLOGIES CORP55 citations98
US10655538B2May 19, 2020
Geared gas turbine engine with reduced fan noise
UNITED TECHNOLOGIES CORP15 citations94
US10107191B2Oct 23, 2018
Geared gas turbine engine with reduced fan noise
UNITED TECHNOLOGIES CORP36 citations94
US10247018B2Apr 2, 2019
Pylon matched fan exit guide vane for noise reduction in a geared turbofan engine
UNITED TECHNOLOGIES CORP19 citations92
US9540938B2Jan 10, 2017
Pylon matched fan exit guide vane for noise reduction in a geared turbofan engine
UNITED TECHNOLOGIES CORP16 citations90
US9650965B2May 16, 2017
Low noise compressor and turbine for geared turbofan engine
UNITED TECHNOLOGIES CORP6 citations84
US8714913B2May 6, 2014
Low noise compressor rotor for geared turbofan engine
UNITED TECHNOLOGIES CORP7 citations84
US10113559B2Oct 30, 2018
Gas turbine engine impact liner
UNITED TECHNOLOGIES CORP8 citations83
US8632301B2Jan 21, 2014
Low noise compressor rotor for geared turbofan engine
UNITED TECHNOLOGIES CORP9 citations80
US11168614B2Nov 9, 2021
Low noise turbine for geared gas turbine engine
UNITED TECHNOLOGIES CORP1 citations73
US10605172B2Mar 31, 2020
Low noise turbine for geared gas turbine engine
UNITED TECHNOLOGIES CORP3 citations73
US10533447B2Jan 14, 2020
Low noise turbine for geared gas turbine engine
UNITED TECHNOLOGIES CORP3 citations73
US9733266B2Aug 15, 2017
Low noise compressor and turbine for geared turbofan engine
UNITED TECHNOLOGIES CORP3 citations73
US9726019B2Aug 8, 2017
Low noise compressor rotor for geared turbofan engine
UNITED TECHNOLOGIES CORP3 citations73
US9624834B2Apr 18, 2017
Low noise compressor rotor for geared turbofan engine
UNITED TECHNOLOGIES CORP3 citations73
US9879611B2Jan 30, 2018
Bleed valve resonance augmentations
UNITED TECHNOLOGIES CORP5 citations66
US11300141B2Apr 12, 2022
Modal noise reduction for gas turbine engine
UNITED TECHNOLOGIES CORP0 citations62
US11143109B2Oct 12, 2021
Low noise turbine for geared gas turbine engine
UNITED TECHNOLOGIES CORP0 citations62
US10233948B2Mar 19, 2019
Gas turbine blade array with reduced acoustic output
UNITED TECHNOLOGIES CORP1 citations62
US10371168B2Aug 6, 2019
Modal noise reduction for gas turbine engine
UNITED TECHNOLOGIES CORP0 citations52
US10337407B2Jul 2, 2019
Low noise compressor for geared gas turbine engine
UNITED TECHNOLOGIES CORP0 citations52
US9957840B2May 1, 2018
Acoustic treatment to mitigate fan noise
UNITED TECHNOLOGIES CORP0 citations39
RAYTHEON TECH CORP
11 patentsUS11339720B2May 24, 2022
Acoustic liner with non-uniform volumetric distribution
RAYTHEON TECH CORP8 citations81
US11754094B2Sep 12, 2023
Modal noise reduction for gas turbine engine
RAYTHEON TECH CORP1 citations73
US11555420B1Jan 17, 2023
Frame connection between fan case and core housing in a gas turbine engine
RAYTHEON TECH CORP2 citations73
US11118507B2Sep 14, 2021
Geared gas turbine engine with reduced fan noise
RAYTHEON TECH CORP2 citations73
US11927106B2Mar 12, 2024
Frame connection between fan case and core housing in a gas turbine engine
RAYTHEON TECH CORP0 citations62
US11608796B1Mar 21, 2023
Radial strut frame connection between fan case and core housing in a gas turbine engine
RAYTHEON TECH CORP0 citations62
US11560849B2Jan 24, 2023
Low noise turbine for geared gas turbine engine
RAYTHEON TECH CORP0 citations62
US11512631B2Nov 29, 2022
Geared gas turbine engine with reduced fan noise
RAYTHEON TECH CORP0 citations62
US11719161B2Aug 8, 2023
Low noise turbine for geared gas turbine engine
RAYTHEON TECH CORP0 citations52
US11708772B2Jul 25, 2023
Triangular-frame connection between fan case and core housing in a gas turbine engine
RAYTHEON TECH CORP0 citations52
US11686220B2Jun 27, 2023
H-frame connection between fan case and core housing in a gas turbine engine
RAYTHEON TECH CORP0 citations52