F04D 29/054
Arrangements for joining or assembling shafts
F04D29/054 (Arrangements for joining or assembling shafts) appears on 123 US grants and 146 published applications in this corpus.
Search patents in F04D- Granted patents
- 123
- Published applications
- 146
- Assignees
- 89
- Inventors
- 334
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 7 |
| 2013 | 3 | 4 |
| 2014 | 3 | 3 |
| 2015 | 4 | 14 |
| 2016 | 5 | 11 |
| 2017 | 5 | 15 |
| 2018 | 15 | 14 |
| 2019 | 14 | 11 |
| 2020 | 13 | 10 |
| 2021 | 7 | 11 |
| 2022 | 11 | 8 |
| 2023 | 13 | 14 |
| 2024 | 13 | 7 |
| 2025 | 6 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modularity of an aircraft turbomachine26 May 2026US 12,637,982 B2Safran Aircraft Engines
- Geared turbomachine19 May 2026US 12,631,190 B2Atlas Copco Energas GmbH
- Fan assembly for a gas turbine engine9 Dec 2025US 12,492,708 B1General Electric Company
- Turbo-type fluid machine and refrigeration apparatus25 Nov 2025US 12,480,514 B2Daikin Industries, Ltd.
- Regenerative multi-stage compressor21 Oct 2025US 12,448,977 B2
- High temperature gas compressor, systems, and methods thereof2 Apr 2026US 2026/0092605 A1NuScale Power, LLC
- Connection assembly and fan19 Mar 2026US 2026/0078775 A1Ningbo Singfun Electric Appliance Co., Ltd.
- Fan assembly for a gas turbine engine12 Mar 2026US 2026/0071634 A1General Electric Company
- Rotary machine with rotatable hollow shaft19 Feb 2026US 2026/0049620 A1IHI Corporation
- Connection adapter for the detachable connection of an impeller to a shaft, rotor unit assembly formed thereby and method for producing a turbo compressor with such a rotor assembly31 Jul 2025US 2025/0243869 A1
Most cited
By later US patents
- Thermally insulating turbine coupling88US 8,840,359 B2The United States of America as represented by the Secretary of the Navy · 2014
- Cooling system for electromagnetic bearings of a turbocompressor53US 6,464,469 B1Man Turbomaschinen AG GHH Borsig · 2002
- Centrifugal compressor having a flexible coupling47US 7,144,226 B2Thermodyn · 2006
- Apparatus for mounting, and for maintaining running clearance in, a double entry radial compressor16US 4,704,861 AA/S Kongsberg Vapenfabrikk · 1987
- Shaft anti-rotation device12US 10,316,855 B2United Technologies Corporation · 2019