F05D 2220/70
In combination with
Official title: in combination with
F05D2220/70 (In combination with) appears on 2,102 US grants and 2,765 published applications in this corpus.
Search patents in F05D- Granted patents
- 2,102
- Published applications
- 2,765
- Assignees
- 589
- Inventors
- 4,053
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 4 |
| 2003 | 10 | 10 |
| 2004 | 5 | 19 |
| 2005 | 7 | 8 |
| 2006 | 11 | 21 |
| 2007 | 9 | 42 |
| 2008 | 12 | 38 |
| 2009 | 19 | 35 |
| 2010 | 30 | 92 |
| 2011 | 39 | 53 |
| 2012 | 39 | 47 |
| 2013 | 44 | 65 |
| 2014 | 38 | 65 |
| 2015 | 42 | 85 |
| 2016 | 45 | 113 |
| 2017 | 69 | 124 |
| 2018 | 80 | 178 |
| 2019 | 118 | 187 |
| 2020 | 168 | 215 |
| 2021 | 185 | 227 |
| 2022 | 205 | 264 |
| 2023 | 245 | 261 |
| 2024 | 267 | 226 |
| 2025 | 240 | 215 |
| 2026 | 148 | 169 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Gas turbine engine with electric machine in engine core6 Oct 2026US 12,753,721 B2Pratt & Whitney Canada Corp.
- Air system for aircraft propulsion system electric machine29 Sep 2026US 12,747,026 B2Rtx Corporation
- Spool selection transmissions with towershaft connections29 Sep 2026US 12,747,704 B1Hamilton Sundstrand Corporation
- Braking control assembly for an aircraft gas turbine engine and method of using same29 Sep 2026US 12,749,993 B2Pratt & Whitney Canada Corp.
- Aircraft hybrid electric propulsion system8 Oct 2026US 2026/0307813 A1Pratt & Whitney Canada Corp.
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Electric machine comprising a clutch assembly8 Oct 2026US 2026/0309086 A1Unison Industries, LLC
- Double offset reduction gearbox with motor drive for turboprop8 Oct 2026US 2026/0309090 A1Pratt & Whitney Canada Corp.
- Gas turbine propulsion system with variable pitch fan and method for operating the system8 Oct 2026US 2026/0309094 A1Rtx Corporation
Most cited
By later US patents
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations496US 9,534,473 B2Evolution Well Services, LLC · 2017
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations287US 9,562,420 B2Evolution Well Services, LLC · 2017
- Turbine chilling for oil field power generation244US 9,995,218 B2U.S. Well Services, LLC · 2018
- Systems and methods for a mobile power plant with improved mobility and reduced trailer count223US 10,030,579 B2General Electric Company · 2018
- Systems and methods for a mobile power plant with improved mobility and reduced trailer count208US 10,184,397 B2General Electric Company · 2019