F05D 2270/301
Pressure
F05D2270/301 (Pressure) appears on 796 US grants and 910 published applications in this corpus.
Search patents in F05D- Granted patents
- 796
- Published applications
- 910
- Assignees
- 268
- Inventors
- 1,847
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 4 |
| 2002 | 7 | 6 |
| 2003 | 15 | 20 |
| 2004 | 15 | 11 |
| 2005 | 9 | 10 |
| 2006 | 10 | 17 |
| 2007 | 11 | 20 |
| 2008 | 14 | 23 |
| 2009 | 11 | 17 |
| 2010 | 19 | 29 |
| 2011 | 15 | 22 |
| 2012 | 14 | 23 |
| 2013 | 20 | 39 |
| 2014 | 28 | 22 |
| 2015 | 25 | 25 |
| 2016 | 18 | 43 |
| 2017 | 29 | 60 |
| 2018 | 43 | 76 |
| 2019 | 51 | 45 |
| 2020 | 48 | 69 |
| 2021 | 64 | 78 |
| 2022 | 80 | 51 |
| 2023 | 79 | 77 |
| 2024 | 62 | 59 |
| 2025 | 59 | 36 |
| 2026 | 24 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid fluid systems for turbine engines1 Sep 2026US 12,723,521 B2General Electric Company
- Fuel supply system for hydrogen aircraft, and tank internal pressure adjustment method25 Aug 2026US 12,716,551 B2Kawasaki Jukogyo Kabushiki Kaisha
- Electronic device for a measuring rake facilitating data loading25 Aug 2026US 12,716,814 B2Airbus Operations GmbH
- Pump system18 Aug 2026US 12,709,404 B2Airbus Operations GmbH
- Failure detection of an oil transfer seal18 Aug 2026US 12,709,994 B1Pratt & Whitney Canada Corp.
- System and method for controlling contrail formation8 Oct 2026US 2026/0309079 A1Rtx Corporation
- Steam supply system and steam supply method24 Sep 2026US 2026/0286868 A1Mitsubishi Heavy Industries, Ltd.
- Systems, methods, and apparatus for piezoelectric-based fuel metering and flow control for aircraft engines17 Sep 2026US 2026/0275922 A1
- Ratio unit based system for filling a fuel manifold of a gas turbine engine10 Sep 2026US 2026/0266228 A1Pratt & Whitney Canada Corp.
- Turbomachine27 Aug 2026US 2026/0251078 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Compressor control device, compressor control system, and compressor control method130US 10,584,645 B2Mitsubishi Heavy Industries Compressor Corporation · 2020
- Power plant and control method113US 8,245,493 B2General Electric Company · 2012
- Power conversion systems108US 7,325,401 B1Brayton Energy, LLC · 2008
- Method of and device for controlling fuel for gas turbine105US 7,047,747 B2Mitsubishi Heavy Industries, Ltd. · 2006
- System for determining gas turbine firing and combustion reference temperature having correction for water content in combustion air97US 6,805,483 B2General Electric Company · 2004