F01D 5/12
Blades
Official title: Blades ({specially adapted for radial flow machines or engines F01D5/04}; blade roots F01D5/30; rotors with blades adjustable in operation F01D7/00; stator blades F01D9/02)
F01D5/12 (Blades) appears on 13,470 US grants and 13,934 published applications in this corpus.
Search patents in F01D- Granted patents
- 13,470
- Published applications
- 13,934
- Assignees
- 1,219
- Inventors
- 15,322
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 44 | 0 |
| 1978 | 54 | 0 |
| 1979 | 44 | 0 |
| 1980 | 39 | 0 |
| 1981 | 50 | 0 |
| 1982 | 37 | 0 |
| 1983 | 41 | 0 |
| 1984 | 51 | 0 |
| 1985 | 54 | 0 |
| 1986 | 57 | 0 |
| 1987 | 49 | 0 |
| 1988 | 61 | 0 |
| 1989 | 70 | 0 |
| 1990 | 41 | 0 |
| 1991 | 63 | 0 |
| 1992 | 80 | 0 |
| 1993 | 91 | 0 |
| 1994 | 97 | 0 |
| 1995 | 83 | 0 |
| 1996 | 94 | 0 |
| 1997 | 88 | 0 |
| 1998 | 115 | 0 |
| 1999 | 116 | 0 |
| 2000 | 159 | 0 |
| 2001 | 193 | 45 |
| 2002 | 240 | 186 |
| 2003 | 222 | 198 |
| 2004 | 182 | 256 |
| 2005 | 208 | 362 |
| 2006 | 231 | 315 |
| 2007 | 192 | 325 |
| 2008 | 188 | 383 |
| 2009 | 250 | 396 |
| 2010 | 260 | 492 |
| 2011 | 313 | 418 |
| 2012 | 401 | 490 |
| 2013 | 362 | 714 |
| 2014 | 443 | 734 |
| 2015 | 446 | 787 |
| 2016 | 498 | 1206 |
| 2017 | 596 | 977 |
| 2018 | 795 | 967 |
| 2019 | 1078 | 850 |
| 2020 | 1098 | 915 |
| 2021 | 834 | 669 |
| 2022 | 790 | 498 |
| 2023 | 587 | 494 |
| 2024 | 563 | 473 |
| 2025 | 500 | 450 |
| 2026 | 285 | 334 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ceramic matrix composite article manufacturing6 Oct 2026US 12,753,125 B2General Electric Company
- Airfoils for gas turbine engines6 Oct 2026US 12,753,695 B2General Electric Company
- Turbine engine with a blade assembly having a set of cooling conduits6 Oct 2026US 12,753,696 B2General Electric Company
- Cooling features for a component of a gas turbine engine6 Oct 2026US 12,753,697 B2Rtx Corporation
- Turbine engine vane baffle6 Oct 2026US 12,753,698 B1Rtx Corporation
- Method for attaching a metal reinforcement on a leading edge of a turbomachine blade8 Oct 2026US 2026/0307338 A1Safran Aerospace Composites
- Environmental barrier coating8 Oct 2026US 2026/0308075 A1Rtx Corporation
- Turbine engine blade blank obtained by metal casting and method for manufacturing such a blank8 Oct 2026US 2026/0309031 A1Safran Aircraft Engines
- Turbine engine rotor blade with tip shelf8 Oct 2026US 2026/0309032 A1Rtx Corporation
- Internal baffle for a gas turbine engine vane8 Oct 2026US 2026/0309033 A1Rtx Corporation
Most cited
By later US patents
- Arrangement for controlling fluid jets injected into a fluid stream1,018US 7,976,213 B2United Technologies Corporation · 2011
- Forming structures from CAD solid models580US 6,391,251 B1Optomec Design Company · 2002
- Heat pipe cooling for turbine stators381US 5,975,841 AThermal Corp. · 1999
- Low solidity turbofan352US 7,374,403 B2General Electric Company · 2008
- Evaporatively cooled rotor for a gas turbine engine345US 5,857,836 AAerodyne Research, Inc. · 1999