Hamilton Sundstrand Corporation

United States of America


 
Total IP 4,860
Total IP incl. subs 5,254 (+ 394 for subs)
Total IP Rank # 231
IP Activity Score 4.1/5.0    2,998
IP Activity Rank # 208
IP AS incl. subs 3.9/5.0    3,194
Parent Entity UTC Aerospace Systems
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,595 13
213 3
22 8
6
 
Last Patent 2025 - Dc-dc resonant power converter
First Patent 1993 - Controlled starting method for a...
Last Trademark 2023 - LETO
First Trademark 1954 - SUNDSTRAND

Subsidiaries

2 subsidiaries with IP (382 patents, 12 trademarks)

4 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Dc-dc resonant power converter. A resonant circuit for a DC-DC power converter. The resonant cir...
Invention Time-interleaved analogue-to-digital converters (adcs). A time-interleaved analogue-to-digital c...
Invention Aircraft electrical system. An electrical system for an aircraft comprises a local controller co...
2024 Invention Motor radiator. A cooling structure for a rotary electric machine, the structure includes an ann...
Invention Lanced offset heat exchange fin pack design. A heat exchange fin pack includes a plurality of ro...
Invention Standoff for circuit card assemblies. Circuit card assemblies may include an enclosure, first and...
Invention Llc voltage converter. A LLC voltage converter for converting a DC input voltage to a DC output ...
Invention Multiplexed bi directional converters for hybrid electric aircraft propulsion. A system includes...
Invention Nut design for actuator system. A nut for use in an actuator assembly having a rotatable screw in...
Invention Gear pump with suction housing element providing a tight seal between suction and high-pressure c...
Invention System and method for testing an integrity of a face seal in an electrical system. Testing a gask...
Invention Lock mechanism for telescopic hold open rod. A hold open rod has a control sleeve, an outer cylin...
Invention Data refresh cycle for asynchronous device communication
Invention Multipurpose inverter current sense for motor drive application
Invention Ion emitter system. An ion generator includes a high voltage source, a body defining a central a...
Invention Compact single variable displacement pump fuel system with augmentor controlled high pressure fue...
Invention Novel current limit strategy for hoist application. A hoist application system is provided. The h...
Invention Sensor-less temperature monitoring. A motor temperature control system for an electric aircraft i...
Invention Variable gear ratio transfer gear set for actuation system. A variable gear ratio gear set system...
Invention Balanced harmonic drive with output shaft disconnect. A harmonic drive, having: a housing; an out...
Invention Timer-based resolver integral demodulation. A digital signal processing system to determine a pos...
Invention Dual pump electrified fuel system with parallelism. A fuel delivery system for a gas turbine engi...
Invention Servovalve. A servovalve is provided comprising a fluid transfer valve assembly (5) comprising a ...
Invention System and method for power management in an aircraft. An aircraft power system for power a plur...
Invention Microscopic surface texturing for shouldered shaft and bearing pads. A shouldered shaft assembly...
Invention Regenerative high lift magnetic clutch and brake generator for electric aircraft. An electric ai...
Invention Planetary regolith dust expulsion for structures and surfaces using piezoelectric assembly induce...
Invention Feature for subfreezing heat exchanger. An environmental control system includes a component hav...
Invention Multi temperature generator and engine shared oil. A fluid delivery system is provided including...
Invention Thermoelectric vortex tubes. A system includes a vortex tube. A first thermoelectric terminal is...
Invention Waste management system with built-in piezoelectric based interfaces for water recovery and steri...
Invention Composite rotors and methods of making composite rotors. In accordance with at least one aspect ...
Invention Coverlay as printed circuit board (pcb) voltage insulator under connectors. A circuit board syst...
Invention Planetary regolith dust expulsion from space suits using piezoelectric assembly induced vibration...
Invention Methodology to use system modeling language for quantifying structural complexity of a system. A...
Invention Isolation barrier systems. A system can include a chassis and a multilayer structure disposed wi...
Invention Flexible interface coupling. An air cycle system for a gas turbine engine includes a heat exchan...
2023 Invention Filter assembly. A passive filter assembly can include a filter bowl configured to enclose a fil...
Invention Fiber optic actuator overload trip sensor. An apparatus and a method of determining a state of an...
Invention Vapor compression cycle with direct pumped two-phase cooling. Thermal management systems include...
Invention Phase change material heat exchanger. A heat exchanger includes an outer shell enclosing an inte...
Invention Turbo cabin air compressor surge relief energy recovery. An aircraft air supply system for gener...
Invention System for supplying source air to an air separation membrane of a fuel inerting system. A syste...
Invention Modular air valve system. In accordance with at least one aspect of this disclosure, a modular v...
Invention Crank for modular air valve system. In accordance with at least one aspect of this disclosure, a...
Invention Modular air valve system. In accordance with at least one aspect of this disclosure, a retaining...
Invention Compressor oil recovery in hybrid vcc pumped two phase loops. A cooling system includes a liquid...
G/S Business data analysis services in the field of space flight and space flight support hardware pr...
Invention Decentralized scheduler of computation jobs for unstable network of heterogenous nodes. A decent...
2022 Invention Aerosol detection systems. In accordance with at least one aspect of this disclosure, a system i...
2020 G/S Marketing advisory, consulting, plan development, and information services for others in the fiel...
G/S Flight controllers being computers for managing control devices for aircraft and aerospace vehicl...
2019 G/S Metal ball mats and ball mats comprised primarily of metal for use in aerospace vehicles used in ...
G/S Metal ball mats and ball mats comprised primarily of metal for use in aerospace vehicles used in...
G/S Electronic downloadable publications in the nature of booklets, pamphlets and brochures featuring...
2018 G/S Electric roller devices, namely, roller conveyors used to transport and place portable storage co...
G/S Heat exchangers, turbo machinery, ducts, and valves used in aircraft environmental control system...
G/S Prognostic and diagnostics services for the aerospace aftermarket such as repairs and part replac...
G/S Ventilating ducts of metal for use with aircraft environmental control systems for cabin pressuri...
G/S Aircraft aftermarket maintenance and repair services; aircraft maintenance and repair.
G/S Flight control and aircraft systems management computer.
G/S Hydraulic fluids; hydraulic fluids for aircraft hydraulic power transmission systems; hydraulic f...
G/S Repairs and replacement of parts for aerospace aftermarket equipment and components Prognostic an...
G/S Aircraft aftermarket maintenance and repair services; aircraft maintenance and repair
2012 G/S Hydraulic fluids; hydraulic fluids for aircraft hydraulic power transmission systems; hydraulic ...
2010 G/S Hydraulic and pneumatic valves, adaptors, couplings and manifolds for aircrafts and spacecrafts.
G/S Electrical and electronic controls, namely, electro-hydraulic transducers and electrical sensors...
G/S Servicing and repair of aircraft systems and components; servicing and repair of pumps, blowers ...
G/S Hydraulic pumps, and controls therefor; gearboxes; engine fuel pumps and oil pumps; hydraulic an...
G/S Flight control surface actuators for aircraft. Aircraft propeller blades.
G/S Electrical and electronic controls, namely, electro-hydraulic transducers and electrical sensors ...
G/S Training in the servicing and repair of pumps, blowers, compressors and aircraft systems and com...
2002 G/S Hydraulic fluids; hydraulic fluids for aircraft hydraulic power transmission systems; lubricants;...
1999 G/S [ WING SWEEP MECHANISMS FOR AIRCRAFT; ] FLIGHT CONTROL SURFACE ACTUATORS FOR AIRCRAFT; AND AIRCRA...
G/S HYDRAULIC PUMPS,[ MOTORS AND HYDROSTATIC TRANSMISSIONS] AND CONTROLS THEREFOR; GEARBOXES; ENGINE ...
G/S PROVIDING AN ON-LINE COMPUTER DATABASE CONTAINING RELIABILITY DATA IN THE FIELD OF AIRPLANE COMPO...
1979 G/S GAS TURBINE POWERED UNITS-NAMELY, A GAS TURBINE ENGINE [ AND MECHANICALLY DRIVEN EQUIPMENT INCLUD...
1959 G/S Air Breathing Internal Combustion Gas Turbines and Components Thereof
1954 G/S Hydraulic pumps, hydraulic transmissions, fluid motors, engine fuel pumps. Hydraulic motors, hydr...