Hamilton Sundstrand Corporation
Charlotte, NC, US· latest recorded location
Hamilton Sundstrand Corporation is named on 4,480 US grants and 5,662 published applications in this corpus. Its most frequent classification is B64D (Equipment for fitting in or to aircraft).
- Granted patents
- 4,480
- Published applications
- 5,662
- Inventors
- 2,522
- Granted in 2026 so far
- 176
- Most recent grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 17 | 0 |
| 2001 | 28 | 0 |
| 2002 | 18 | 6 |
| 2003 | 17 | 20 |
| 2004 | 25 | 24 |
| 2005 | 23 | 25 |
| 2006 | 34 | 46 |
| 2007 | 41 | 18 |
| 2008 | 42 | 43 |
| 2009 | 58 | 93 |
| 2010 | 79 | 151 |
| 2011 | 99 | 174 |
| 2012 | 152 | 300 |
| 2013 | 184 | 324 |
| 2014 | 227 | 315 |
| 2015 | 256 | 229 |
| 2016 | 244 | 402 |
| 2017 | 252 | 383 |
| 2018 | 274 | 395 |
| 2019 | 343 | 457 |
| 2020 | 313 | 472 |
| 2021 | 270 | 473 |
| 2022 | 342 | 250 |
| 2023 | 354 | 389 |
| 2024 | 325 | 343 |
| 2025 | 287 | 257 |
| 2026 | 176 | 73 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 10,142 documents
- B64DEquipment for fitting in or to aircraft2,416
- F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or1,538
- F02CGas-turbine plants1,505
- Y02TLow-carbon transport1,389
- H02KDynamo-electric machines1,222
- F01DNon-positive displacement machines or engines1,068
- Y10TTechnical subjects covered by former us classification1,026
- F04DNon-positive-displacement pumps716
- F28FDetails of heat-exchange and heat-transfer apparatus, of general application707
- F16KValves700
Recent patents
- Additively manufactured heat exchanger and diffuser pipe coupled to a compressor stage6 Oct 2026US 12,752,921 B2
- Spool selection transmissions with towershaft connections29 Sep 2026US 12,747,704 B1
- Solenoid concept for pump control of a variable displacement piston pump29 Sep 2026US 12,747,727 B2
- Foil bearing structure with damping29 Sep 2026US 12,747,752 B2
- DC-to-DC converter and configurable output magnitude and polarity29 Sep 2026US 12,749,974 B2
- Drive shaft with non-cylindrical shape8 Oct 2026US 2026/0309183 A1
- Turbine air segregation air cycle system1 Oct 2026US 2026/0296650 A1
- Multi-gusset mount for heat exchanger1 Oct 2026US 2026/0298558 A1
- Wireless interference-free secure receive-only discrete control software17 Sep 2026US 2026/0280875 A1
- Development and management of parametric data items for built-in testing of aircraft electrical power generation systems or other components27 Aug 2026US 2026/0250014 A1
Most cited
By later US patents
- Integrated thermal management and coolant system for an aircraft196US 6,415,595 B12002
- Aircraft fuel system172US 9,512,783 B22016
- Thermal and energy management method and apparatus for an aircraft164US 6,182,435 B22001
- Feed forward active EMI filters151US 8,823,448 B12014
- Sorbent system and method for absorbing carbon dioxide (CO2) from the atmosphere of a closed habitable environment129US 6,364,938 B12002