Inventor
RIEHL JOHN D
US31 patents
⚠️ This page may combine multiple inventors who share the name “RIEHL JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
15 patentsUS7967562B2Jun 28, 2011
Ceramic matrix composite capped bolt attachment
UNITED TECHNOLOGIES CORP25 citations86
US11346363B2May 31, 2022
Composite airfoil for gas turbine
UNITED TECHNOLOGIES CORP2 citations72
US10006301B2Jun 26, 2018
Vane assembly including two- and three-dimensional arrangements of continuous fibers
UNITED TECHNOLOGIES CORP6 citations72
US10221700B2Mar 5, 2019
Systems and methods for bonding of dissimilar substrates
UNITED TECHNOLOGIES CORP2 citations68
US9884939B2Feb 6, 2018
High performance polymer and process therefor
UNITED TECHNOLOGIES CORP2 citations68
US11090881B2Aug 17, 2021
In-situ desizing for liquid infusion processes
UNITED TECHNOLOGIES CORP0 citations62
US11085456B2Aug 10, 2021
Gas-turbine engine composite components with integral 3-D woven off-axis reinforcement
UNITED TECHNOLOGIES CORP1 citations62
US10458035B2Oct 29, 2019
Anodization of bonded assembly
UNITED TECHNOLOGIES CORP1 citations60
US11156104B2Oct 26, 2021
Systems and methods for bonding of dissimilar substrates
UNITED TECHNOLOGIES CORP0 citations57
US12083625B2Sep 10, 2024
Laser surface treatment on stainless steel and nickel alloys for adhesive bonding
UNITED TECHNOLOGIES CORP0 citations51
US10717109B2Jul 21, 2020
Nanotube enhancement of interlaminar performance for a composite component
UNITED TECHNOLOGIES CORP0 citations51
US9987659B2Jun 5, 2018
Nanotube enhancement of interlaminar performance for a composite component
UNITED TECHNOLOGIES CORP0 citations51
US11260421B2Mar 1, 2022
Method to strip and recoat erosion coatings applied to fan blades and structural guide vanes
UNITED TECHNOLOGIES CORP0 citations49
US11534863B2Dec 27, 2022
Method for adhesive bonding of titanium components using a fiber laser system
UNITED TECHNOLOGIES CORP0 citations48
US10752734B2Aug 25, 2020
High performance polymide and process therefor
UNITED TECHNOLOGIES CORP0 citations46
RAYTHEON TECH CORP
9 patentsUS11858861B2Jan 2, 2024
Localized PVB based tackifier application for CMC
RAYTHEON TECH CORP0 citations62
US11820717B2Nov 21, 2023
PVB-based sacrificial tackifier for CMC
RAYTHEON TECH CORP0 citations62
US12116905B2Oct 15, 2024
Adhesive bonded composite-to-metal hybrid vanes and method of manufacture
RAYTHEON TECH CORP0 citations61
US11578604B2Feb 14, 2023
Adhesive bonded composite-to-metal hybrid vanes and method of manufacture
RAYTHEON TECH CORP0 citations61
US12025147B2Jul 2, 2024
Processes and tooling associated with coating application
RAYTHEON TECH CORP0 citations59
US12103136B2Oct 1, 2024
Method and system for drilling ceramic
RAYTHEON TECH CORP0 citations51
US12544875B2Feb 10, 2026
Multi-tip tooling design for ultrasonic impact grinding of CMCs
RAYTHEON TECH CORP0 citations50
US12397471B2Aug 26, 2025
Ultrasonic machining an aperture in a workpiece
RAYTHEON TECH CORP0 citations50
US12521842B2Jan 13, 2026
Adaptive vibration amplitude for impact grinding of ceramic matrix composite components
RAYTHEON TECH CORP0 citations47
RTX CORP
6 patentsUS12552721B2Feb 17, 2026
PVB-based sacrificial tackifier for CMC
RTX CORP0 citations62
US12371389B2Jul 29, 2025
Adaptive surface texturing for ceramic matrix composites
RTX CORP0 citations62
US11781435B2Oct 10, 2023
Bifurcated fabric architecture for airfoils, methods of manufacture thereof and airfoils comprising the same
RTX CORP0 citations60
US12304004B2May 20, 2025
Multi-step method for machining blind opening in ceramic component
RTX CORP0 citations58
US12552085B2Feb 17, 2026
Z-channeling into a preform via needle perforation in a stand-alone tool
RTX CORP0 citations55
US12473236B2Nov 18, 2025
Internal tooling configuration for the creation of z-channels in woven ceramic matrix composite preforms
RTX CORP0 citations47