F05D 2250/12
Rectangular
Official title: rectangular
F05D2250/12 (Rectangular) appears on 177 US grants and 224 published applications in this corpus.
Search patents in F05D- Granted patents
- 177
- Published applications
- 224
- Assignees
- 77
- Inventors
- 522
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 4 |
| 2007 | 4 | 2 |
| 2008 | 1 | 10 |
| 2009 | 4 | 3 |
| 2010 | 2 | 5 |
| 2011 | 7 | 2 |
| 2012 | 6 | 4 |
| 2013 | 4 | 5 |
| 2014 | 2 | 9 |
| 2015 | 4 | 9 |
| 2016 | 4 | 18 |
| 2017 | 5 | 17 |
| 2018 | 6 | 23 |
| 2019 | 20 | 24 |
| 2020 | 25 | 15 |
| 2021 | 16 | 8 |
| 2022 | 11 | 18 |
| 2023 | 19 | 17 |
| 2024 | 14 | 13 |
| 2025 | 9 | 8 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Metal coupon with porous stress-relief section and component with same15 Sep 2026US 12,735,986 B2GE Infrastructure Technology LLC
- Engine component1 Sep 2026US 12,723,513 B2General Electric Company
- Fan assembly2 Jun 2026US 12,644,461 B2Dyson Technology Limited
- Turbomachine having an improved oil-recovery device12 May 2026US 12,624,647 B2Safran Aircraft Engines
- Discrete macroscopic metamaterial systems5 May 2026US 12,618,331 B2Massachusetts Institute of Technology
- Airfoil for a turbine engine27 Aug 2026US 2026/0251067 A1General Electric Company
- Cylinder for combustor, combustor, and gas turbine13 Aug 2026US 2026/0235052 A1Mitsubishi Heavy Industries, Ltd.
- Turbofan engine including a fan actuation system2 Jul 2026US 2026/0185535 A1General Electric Company
- Rocket solid propellant grain25 Jun 2026US 2026/0176212 A1Siec Badawcza Lukasiewicz - Instytut Lotnictwa
- A peripheral expanding chambers in flywheel engine generating and storing energy25 Jun 2026US 2026/0177026 A1
Most cited
By later US patents
- Film cooling hole for turbine airfoil313US 7,997,868 B1Florida Turbine Technologies, Inc. · 2011
- Stub airfoil exhaust nozzle110US 6,502,383 B1General Electric Company · 2003
- Film cooling passages with curved corners103US 4,684,323 AUnited Technologies Corporation · 1987
- Film cooled slotted wall77US 5,660,525 AGeneral Electric Company · 1997
- Ceramic matrix composite turbine engine components with unitary stiffening frame71US 7,950,234 B2Siemens Energy, Inc. · 2011