Inventor
STOYANOV PANTCHO P
US29 patents
⚠️ This page may combine multiple inventors who share the name “STOYANOV PANTCHO P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
13 patentsUS11255432B2Feb 22, 2022
Low friction, wear resistant piston seal
UNITED TECHNOLOGIES CORP5 citations82
US10525529B2Jan 7, 2020
Corrosion-resistant aluminum-based abradable coatings
UNITED TECHNOLOGIES CORP2 citations73
US11149651B2Oct 19, 2021
Seal ring assembly for a gas turbine engine
UNITED TECHNOLOGIES CORP6 citations71
US11149854B2Oct 19, 2021
High pressure compressor seal-ring with improved wear resistance
UNITED TECHNOLOGIES CORP2 citations71
US10920617B2Feb 16, 2021
Gas turbine engine seal ring assembly
UNITED TECHNOLOGIES CORP6 citations69
US11746907B2Sep 5, 2023
Carbon seal assembly
UNITED TECHNOLOGIES CORP0 citations62
US11719114B2Aug 8, 2023
Low friction carbon—carbon seal assembly
UNITED TECHNOLOGIES CORP0 citations62
US11619237B2Apr 4, 2023
Carbon seal assembly
UNITED TECHNOLOGIES CORP0 citations62
US11560808B2Jan 24, 2023
Seal assembly for gas turbine engine
UNITED TECHNOLOGIES CORP0 citations62
US11209010B2Dec 28, 2021
Multilayer abradable coating
UNITED TECHNOLOGIES CORP0 citations62
US11339675B2May 24, 2022
Seal seat insert for gas turbine engines
UNITED TECHNOLOGIES CORP1 citations61
US11193384B2Dec 7, 2021
Low friction, wear resistant dry face carbon seal—seal seat assembly
UNITED TECHNOLOGIES CORP0 citations59
US11346235B2May 31, 2022
Bushing for variable vane in a gas turbine engine
UNITED TECHNOLOGIES CORP1 citations55
RAYTHEON TECH CORP
12 patentsUS11643939B2May 9, 2023
Seals and methods of making seals
RAYTHEON TECH CORP18 citations92
US11566535B2Jan 31, 2023
Low friction, wear resistant variable vane bushing
RAYTHEON TECH CORP2 citations73
US11692449B2Jul 4, 2023
Carbon seal assembly
RAYTHEON TECH CORP2 citations72
US11293351B2Apr 5, 2022
Gas turbine engine including seal assembly with abradable coating including magnetic particles embedded in polymer
RAYTHEON TECH CORP2 citations71
US12055043B2Aug 6, 2024
Seals and methods of making seals
RAYTHEON TECH CORP0 citations61
US11859497B2Jan 2, 2024
Seal seat insert for gas turbine engines
RAYTHEON TECH CORP0 citations61
US11313281B2Apr 26, 2022
Gas turbine engine including seal assembly with abradable coating including magnetic particles
RAYTHEON TECH CORP0 citations61
US11313280B2Apr 26, 2022
Gas turbine engine including seal assembly with abradable coating and cutter
RAYTHEON TECH CORP1 citations61
US11952916B2Apr 9, 2024
Self-lubricating blade root/disk interface
RAYTHEON TECH CORP0 citations60
US11739842B2Aug 29, 2023
High pressure compressor seal-ring with improved wear resistance
RAYTHEON TECH CORP0 citations60
US11448082B2Sep 20, 2022
Wear resistant, self-lubricating static seal
RAYTHEON TECH CORP0 citations60
US11746665B2Sep 5, 2023
Bushing for variable vane in a gas turbine engine
RAYTHEON TECH CORP0 citations55
RTX CORP
4 patentsUS12291970B2May 6, 2025
Carbon seal assembly
RTX CORP0 citations62
US12292116B2May 6, 2025
Carbon seal assembly
RTX CORP0 citations62
US11976732B2May 7, 2024
Low friction, wear resistant piston seal
RTX CORP0 citations60
US12158210B2Dec 3, 2024
Self-lubricating, wear resistant piston seal
RTX CORP0 citations50