Inventor
STILLMAN WILLIAM P
US18 patents
⚠️ This page may combine multiple inventors who share the name “STILLMAN WILLIAM P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RAYTHEON TECH CORP
9 patentsUS11585273B2Feb 21, 2023
Aircraft heat exchangers
RAYTHEON TECH CORP4 citations73
US11525637B2Dec 13, 2022
Aircraft heat exchanger finned plate manufacture
RAYTHEON TECH CORP2 citations72
US11920517B2Mar 5, 2024
Aircraft bypass duct heat exchanger
RAYTHEON TECH CORP2 citations71
US11585605B2Feb 21, 2023
Aircraft heat exchanger panel attachment
RAYTHEON TECH CORP2 citations71
US11448132B2Sep 20, 2022
Aircraft bypass duct heat exchanger
RAYTHEON TECH CORP5 citations71
US11898809B2Feb 13, 2024
Aircraft heat exchanger finned plate manufacture
RAYTHEON TECH CORP0 citations62
US11209221B2Dec 28, 2021
Modified shaped heat exchanger inlets/outlets
RAYTHEON TECH CORP0 citations62
US12297775B2May 13, 2025
Aircraft heat exchanger panel array interconnection
RAYTHEON TECH CORP1 citations61
US12140077B2Nov 12, 2024
Aircraft heat exchanger assembly
RAYTHEON TECH CORP0 citations49
UNITED TECHNOLOGIES CORP
6 patentsUS11808529B2Nov 7, 2023
Cast plate heat exchanger and method of making using directional solidification
UNITED TECHNOLOGIES CORP2 citations71
US10815793B2Oct 27, 2020
Trip strips for augmented boundary layer mixing
UNITED TECHNOLOGIES CORP2 citations71
US11391523B2Jul 19, 2022
Asymmetric application of cooling features for a cast plate heat exchanger
UNITED TECHNOLOGIES CORP3 citations70
US12510308B2Dec 30, 2025
Heat augmentation features in a cast heat exchanger
UNITED TECHNOLOGIES CORP0 citations60
US11079181B2Aug 3, 2021
Cast plate heat exchanger with tapered walls
UNITED TECHNOLOGIES CORP1 citations59
US10962306B2Mar 30, 2021
Shaped leading edge of cast plate fin heat exchanger
UNITED TECHNOLOGIES CORP0 citations58