F05D 2250/80
Size or power range of the machines
F05D2250/80 (Size or power range of the machines) appears on 182 US grants and 227 published applications in this corpus.
Search patents in F05D- Granted patents
- 182
- Published applications
- 227
- Assignees
- 132
- Inventors
- 488
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 2 |
| 2003 | 0 | 1 |
| 2004 | 6 | 6 |
| 2005 | 7 | 12 |
| 2006 | 7 | 9 |
| 2007 | 3 | 9 |
| 2008 | 2 | 12 |
| 2009 | 7 | 5 |
| 2010 | 6 | 12 |
| 2011 | 7 | 6 |
| 2012 | 11 | 7 |
| 2013 | 7 | 9 |
| 2014 | 0 | 10 |
| 2015 | 7 | 7 |
| 2016 | 4 | 14 |
| 2017 | 5 | 3 |
| 2018 | 8 | 5 |
| 2019 | 4 | 12 |
| 2020 | 14 | 19 |
| 2021 | 9 | 21 |
| 2022 | 18 | 14 |
| 2023 | 14 | 13 |
| 2024 | 13 | 11 |
| 2025 | 2 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Microturbine and method of operation25 Aug 2026US 12,716,363 B1Enerbine Corp
- Hybrid turbomachine for aircraft with an active acoustic control system19 Aug 2025US 12,392,254 B2Safran Electrical & Power
- Vehicle-mounted gas turbine generator set29 Apr 2025US 12,286,049 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Unitized manufacturing of a gas turbine engine29 Oct 2024US 12,129,768 B2Rtx Corporation
- Combined hydrogen and electricity production from aqueous ammonia feed15 Oct 2024US 12,116,277 B2Saudi Arabian Oil Company
- Two stream diffuser integrated as a single unit for use in a turbofan jet engine23 Apr 2026US 2026/0110311 A1Beehive Industries, LLC
- Pyrolysis reactor, pyrolysis system and methods of use thereof15 Jan 2026US 2026/0015545 A1
- Single spool geared turbofan11 Dec 2025US 2025/0376950 A1Rtx Corporation
- Integrated fuel cooled aft bearing27 Nov 2025US 2025/0361833 A1Rtx Corporation
- Super compact combustor13 Nov 2025US 2025/0347417 A1Rtx Corporation
Most cited
By later US patents
- Exhaust silencer for microturbines170US 7,980,357 B2OfficePower, Inc. · 2011
- Microturbomachinery145US 5,932,940 AMassachusetts Institute of Technology · 1999
- Microturbomachinery113US 6,392,313 B1Massachusetts Institute of Technology · 2002
- Microturbine engine system80US 7,045,913 B2Ingersoll-Rand Energy Systems Corporation · 2006
- Single rotor turbine engine75US 6,430,917 B1The Regents of the University of California · 2002