F05D 2250/14
Elliptical
Official title: elliptical
F05D2250/14 (Elliptical) appears on 416 US grants and 463 published applications in this corpus.
Search patents in F05D- Granted patents
- 416
- Published applications
- 463
- Assignees
- 125
- Inventors
- 1,131
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 4 |
| 2005 | 5 | 9 |
| 2006 | 4 | 5 |
| 2007 | 3 | 9 |
| 2008 | 6 | 11 |
| 2009 | 8 | 9 |
| 2010 | 5 | 11 |
| 2011 | 7 | 15 |
| 2012 | 9 | 6 |
| 2013 | 7 | 13 |
| 2014 | 10 | 22 |
| 2015 | 11 | 15 |
| 2016 | 13 | 47 |
| 2017 | 13 | 39 |
| 2018 | 36 | 35 |
| 2019 | 40 | 33 |
| 2020 | 47 | 33 |
| 2021 | 31 | 35 |
| 2022 | 34 | 23 |
| 2023 | 28 | 23 |
| 2024 | 36 | 28 |
| 2025 | 19 | 12 |
| 2026 | 10 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air leakage restrictor arrangement for an aircraft powerplant25 Aug 2026US 12,716,360 B2Pratt & Whitney Canada Corp.
- Fan assembly2 Jun 2026US 12,644,461 B2Dyson Technology Limited
- Trailing edge cooling circuit for turbomachine airfoil19 May 2026US 12,631,116 B2GE Vernova Infrastructure Technology LLC
- Plate heat exchanger comprising profiled guide elements21 Apr 2026US 12,607,419 B2Safran
- Reusable upper stage rocket14 Apr 2026US 12,601,314 B2
- Gas turbine for controlling thermal expansion of vane carrier10 Sep 2026US 2026/0266198 A1Doosan Enerbility Co., Ltd.
- Airfoil for a turbine engine27 Aug 2026US 2026/0251067 A1General Electric Company
- Diffused holes for inter-segment purge and method16 Jul 2026US 2026/0201808 A1Rtx Corporation
- Turbofan engine including a fan actuation system2 Jul 2026US 2026/0185535 A1General Electric Company
- Oblong turbine25 Jun 2026US 2026/0176975 A1
Most cited
By later US patents
- Flow directing device66US 6,969,232 B2United Technologies Corporation · 2005
- Cooling arrangement for gas-turbine components56US 6,261,053 B1Asea Brown Boveri AG · 2001
- System for cooling a gas turbine by bleeding air from the compressor43US 4,415,310 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1983
- Circular stage of vanes connected at internal ends thereof by a connecting ring41US 6,129,512 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 2000
- Apparatus for heating or cooling a circular housing37US 6,035,929 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 2000