F05D 2220/60
Making use of surplus or waste energy
Official title: making use of surplus or waste energy
F05D2220/60 (Making use of surplus or waste energy) appears on 398 US grants and 503 published applications in this corpus.
Search patents in F05D- Granted patents
- 398
- Published applications
- 503
- Assignees
- 229
- Inventors
- 889
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 7 |
| 2007 | 3 | 2 |
| 2008 | 4 | 3 |
| 2009 | 5 | 8 |
| 2010 | 3 | 16 |
| 2011 | 3 | 16 |
| 2012 | 7 | 15 |
| 2013 | 15 | 11 |
| 2014 | 7 | 20 |
| 2015 | 12 | 22 |
| 2016 | 9 | 26 |
| 2017 | 10 | 24 |
| 2018 | 15 | 26 |
| 2019 | 25 | 42 |
| 2020 | 30 | 38 |
| 2021 | 38 | 40 |
| 2022 | 41 | 41 |
| 2023 | 44 | 43 |
| 2024 | 51 | 54 |
| 2025 | 46 | 24 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mixture separation in bottoming cycle22 Sep 2026US 12,742,415 B2Rtx Corporation
- Thermodynamic cycle system with thermal plant integration1 Sep 2026US 12,723,542 B2Malta Inc.
- Cryogenic fuel semi-closed recirculating bottoming cycle25 Aug 2026US 12,716,388 B2Rtx Corporation
- Steam injected inter-turbine burner engine16 Jun 2026US 12,655,788 B2Rtx Corporation
- Auxiliary boiler system for steam injection cycle engine2 Jun 2026US 12,644,410 B2Rtx Corporation
- Compounded turbo power unit with boost combustor17 Sep 2026US 2026/0275905 A1Rtx Corporation
- System for recovering energy3 Sep 2026US 2026/0258752 A1Primetals Technologies Germany GmbH
- A method and a system for carbon neutral power generation30 Jul 2026US 2026/0217526 A1Nuovo Pignone Tecnologie Srl
- Mixture separation in bottoming cycle30 Jul 2026US 2026/0218653 A1Rtx Corporation
- Thermophotovoltaic assembly for an aircraft propulsion system21 May 2026US 2026/0139622 A1Rtx Corporation
Most cited
By later US patents
- Method of mobile power generation system153US 11,053,853 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- Method of and apparatus for producing power72US 6,510,695 B1Ormat Industries Ltd. · 2003
- Retrofit equipment for reducing the consumption of fossil fuel by a power plant using solar insolation60US 6,321,539 B1Ormat Industries Ltd. · 2001
- Method and an apparatus for obtaining energy by expanding a gas at a wellhead55US 9,394,764 B2Sime Srl · 2016
- RAM fan system for an aircraft environmental control system54US 7,757,502 B2Hamilton Sundstrand Corporation · 2010