Y02T 50/60
Efficient propulsion technologies
Official title: Efficient propulsion technologies, e.g. for aircraft
Y02T50/60 (Efficient propulsion technologies) appears on 20,272 US grants and 20,539 published applications in this corpus.
Search patents in Y02T- Granted patents
- 20,272
- Published applications
- 20,539
- Assignees
- 2,205
- Inventors
- 23,688
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 97 | 0 |
| 1977 | 83 | 0 |
| 1978 | 69 | 0 |
| 1979 | 49 | 0 |
| 1980 | 65 | 0 |
| 1981 | 72 | 0 |
| 1982 | 46 | 0 |
| 1983 | 54 | 0 |
| 1984 | 85 | 0 |
| 1985 | 72 | 0 |
| 1986 | 70 | 0 |
| 1987 | 83 | 0 |
| 1988 | 91 | 0 |
| 1989 | 136 | 0 |
| 1990 | 108 | 0 |
| 1991 | 131 | 0 |
| 1992 | 183 | 0 |
| 1993 | 173 | 0 |
| 1994 | 168 | 0 |
| 1995 | 166 | 0 |
| 1996 | 143 | 0 |
| 1997 | 158 | 0 |
| 1998 | 184 | 0 |
| 1999 | 188 | 0 |
| 2000 | 206 | 0 |
| 2001 | 284 | 51 |
| 2002 | 285 | 191 |
| 2003 | 269 | 301 |
| 2004 | 229 | 378 |
| 2005 | 261 | 463 |
| 2006 | 284 | 429 |
| 2007 | 240 | 465 |
| 2008 | 225 | 537 |
| 2009 | 271 | 650 |
| 2010 | 376 | 749 |
| 2011 | 434 | 723 |
| 2012 | 585 | 762 |
| 2013 | 504 | 934 |
| 2014 | 700 | 994 |
| 2015 | 707 | 1064 |
| 2016 | 686 | 1627 |
| 2017 | 888 | 1442 |
| 2018 | 1191 | 1502 |
| 2019 | 1601 | 1297 |
| 2020 | 1667 | 1624 |
| 2021 | 1435 | 1240 |
| 2022 | 1142 | 975 |
| 2023 | 1246 | 943 |
| 2024 | 936 | 507 |
| 2025 | 661 | 430 |
| 2026 | 285 | 261 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods of servicing equipment6 Oct 2026US 12,752,747 B2General Electric Company
- Inducer assembly for a turbine engine29 Sep 2026US 12,746,491 B2General Electric Company
- Flexible support structure for a geared architecture gas turbine engine29 Sep 2026US 12,747,675 B2Rtx Corporation
- Shroud hanger assembly8 Sep 2026US 12,729,631 B2General Electric Company
- Battery and engine architecture for VTOL aircraft25 Aug 2026US 12,715,578 B2Archer Aviation Inc.
- Systems and methods for tilt propellers with tilt actuator gearbox and integrated inverter27 Aug 2026US 2026/0249978 A1Archer Aviation Inc.
- Lanthanum-gadolinium-samarium-based high-entropy thermal barrier coatings and preparation method therefor27 Aug 2026US 2026/0250828 A1Aecc Beijing Institute of Aeronautical Materials
- Airfoils for gas turbine engines27 Aug 2026US 2026/0251064 A1General Electric Company
- Airfoil for a turbine engine27 Aug 2026US 2026/0251067 A1General Electric Company
- Turbine engine with a blade27 Aug 2026US 2026/0251069 A1General Electric Company
Most cited
By later US patents
- Arrangement for controlling fluid jets injected into a fluid stream1,018US 7,976,213 B2United Technologies Corporation · 2011
- Coupling system for a planetary gear train525US 5,433,674 AUnited Technologies Corporation · 1995
- Epicyclic gear train integral sun gear coupling design409US 7,591,754 B2United Technologies Corporation · 2009
- Geared drive system for a bladed propulsor402US 5,466,198 AUnited Technologies Corporation · 1995
- Variable area nozzle for gas turbine engines driven by shape memory alloy actuators396US 6,318,070 B1United Technologies Corporation · 2001