F05B 2220/60
Making use of surplus or waste energy
Official title: making use of surplus or waste energy
F05B2220/60 (Making use of surplus or waste energy) appears on 309 US grants and 433 published applications in this corpus.
Search patents in F05B- Granted patents
- 309
- Published applications
- 433
- Assignees
- 191
- Inventors
- 745
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 6 | 5 |
| 2005 | 3 | 10 |
| 2006 | 7 | 8 |
| 2007 | 8 | 8 |
| 2008 | 4 | 12 |
| 2009 | 3 | 29 |
| 2010 | 16 | 39 |
| 2011 | 21 | 39 |
| 2012 | 16 | 32 |
| 2013 | 27 | 33 |
| 2014 | 16 | 19 |
| 2015 | 14 | 19 |
| 2016 | 15 | 18 |
| 2017 | 20 | 19 |
| 2018 | 18 | 24 |
| 2019 | 17 | 18 |
| 2020 | 12 | 22 |
| 2021 | 16 | 13 |
| 2022 | 8 | 21 |
| 2023 | 10 | 15 |
| 2024 | 11 | 15 |
| 2025 | 19 | 7 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy harvesting system and method for converting mechanical energy into electrical energy8 Sep 2026US 12,728,684 B1
- Energy recovery device for exhaust systems21 Jul 2026US 12,687,150 B1
- System apparatus and method suitable for capturing water energy30 Jun 2026US 12,667,816 B2Katz Water Tech, LLC
- Hybrid energy recovery system23 Jun 2026US 12,661,617 B2Fluid Equipment Development Company, LLC
- Membrane-based energy harvesting through salinity gradient of available upstream water resources28 Apr 2026US 12,612,888 B2Saudi Arabian Oil Company
- Hybrid Energy Recovery System24 Sep 2026US 2026/0284597 A1Fluid Equipment Development Company, LLC
- Energy generation cell and energy generation device including the same11 Jun 2026US 2026/0160236 A1Freudenberg Vilene Filtration Technologies Korea Co., Ltd.
- Plenum resident wind turbine sustainable energy generating system26 Mar 2026US 2026/0085658 A1
- Self-powered irrigation systems, generator systems and methods of controlling irrigation26 Feb 2026US 2026/0058526 A1Rain Bird Corporation
- Alleviating graft versus host disease using engineered inkt cells5 Feb 2026US 2026/0034218 A1The Regents of the University of California
Most cited
By later US patents
- System for generation of electrical power90US 4,352,025 A1982
- Noninvasive method for site-specific fat reduction83US 8,932,338 B2Erchonia Corporation · 2015
- Hydro-power generation for a water treatment system and method of supplying electricity using a flow of liquid80US 6,798,080 B1Access Business Group International LLC · 2004
- Energy salvaging system77US 4,246,753 A1981
- Shower accessory75US 5,140,254 A1992