F05D 2250/241
Spherical
Official title: spherical
F05D2250/241 (Spherical) appears on 227 US grants and 227 published applications in this corpus.
Search patents in F05D- Granted patents
- 227
- Published applications
- 227
- Assignees
- 78
- Inventors
- 508
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 5 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 6 |
| 2007 | 4 | 3 |
| 2008 | 1 | 7 |
| 2009 | 4 | 8 |
| 2010 | 3 | 4 |
| 2011 | 6 | 4 |
| 2012 | 7 | 7 |
| 2013 | 1 | 6 |
| 2014 | 5 | 11 |
| 2015 | 5 | 10 |
| 2016 | 7 | 24 |
| 2017 | 11 | 21 |
| 2018 | 13 | 16 |
| 2019 | 17 | 21 |
| 2020 | 34 | 19 |
| 2021 | 15 | 9 |
| 2022 | 18 | 15 |
| 2023 | 11 | 4 |
| 2024 | 11 | 11 |
| 2025 | 11 | 10 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coating system and method for maintenance thereof16 Jun 2026US 12,655,066 B2ROLLS-ROYCE plc
- Methods for assembling a multi-conic preform and manufacturing a semi-ellipsoidal shell using the multi-conic preform14 Apr 2026US 12,601,449 B2
- Tailoring aircraft powerplant split line parameter with inflatable bladder23 Dec 2025US 12,503,977 B2Rtx Corporation
- Gas turbine engine ducting system having a plurality of spherical joints25 Nov 2025US 12,480,458 B2ROLLS-ROYCE plc
- Joint for connection to variable guide vane of gas turbine engine11 Nov 2025US 12,467,383 B2Pratt & Whitney Canada Corp.
- Turbine or compressor stage assembly13 Aug 2026US 2026/0235034 A1
- Aeronautical thruster23 Jul 2026US 2026/0208853 A1Centre National de la Recherche Scientifique (CNRS)
- Turbine Blade11 Jun 2026US 2026/0160169 A1Siec Badawcza Lukasiewicz - Instytut Lotnictwa
- Turbine engine system7 May 2026US 2026/0125981 A1Heleng Inc.
- Cooling features for a component of a gas turbine engine4 Dec 2025US 2025/0369359 A1Rtx Corporation
Most cited
By later US patents
- Bellows sealed ball joint124US 5,286,071 AGeneral Electric Company · 1994
- Pulse detonation engine97US 5,473,885 ALockheed Corporation · 1995
- Cooling for double-wall structures93US 6,000,908 AGeneral Electric Company · 1999
- Dimpled impingement baffle79US 6,237,344 B1General Electric Company · 2001
- High temperature erosion resistant coating and material containing compacted hollow geometric shapes61US 6,641,907 B1Siemens Westinghouse Power Corporation · 2003