F05B 2210/00
Working fluid
F05B2210/00 (Working fluid) appears on 815 US grants and 978 published applications in this corpus.
Search patents in F05B- Granted patents
- 815
- Published applications
- 978
- Assignees
- 455
- Inventors
- 1,559
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 14 | 0 |
| 2001 | 6 | 3 |
| 2002 | 5 | 8 |
| 2003 | 6 | 17 |
| 2004 | 16 | 21 |
| 2005 | 15 | 17 |
| 2006 | 11 | 33 |
| 2007 | 13 | 27 |
| 2008 | 11 | 29 |
| 2009 | 10 | 40 |
| 2010 | 15 | 48 |
| 2011 | 19 | 49 |
| 2012 | 29 | 44 |
| 2013 | 26 | 44 |
| 2014 | 37 | 41 |
| 2015 | 26 | 42 |
| 2016 | 23 | 37 |
| 2017 | 35 | 45 |
| 2018 | 33 | 57 |
| 2019 | 39 | 64 |
| 2020 | 50 | 59 |
| 2021 | 48 | 68 |
| 2022 | 41 | 43 |
| 2023 | 49 | 38 |
| 2024 | 48 | 54 |
| 2025 | 43 | 33 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05B 2210/16Air or water being indistinctly used as working fluid, i.e. the machineIndexing code403
- F05B 2210/10Kind or typeIndexing code202
- F05B 2210/40Flow geometry or directionIndexing code151
- F05B 2210/18Air and water being simultaneously used as working fluidIndexing code108
- F05B 2210/30Flow characteristicsIndexing code15
- F05B 2210/20PropertiesIndexing code11
Recent patents
- Hydraulic turbine29 Sep 2026US 12,747,716 B2Natel Energy Holdings, Inc.
- Energy capture device and system29 Sep 2026US 12,747,717 B1
- Adsorption dryer and method for operating adsorption dryer15 Sep 2026US 12,734,479 B2Kobelco Compressors Corporation
- Magnetic drive, seal-less pump28 Jul 2026US 12,692,872 B2
- Geographically reconfigurable wave-powered computing network14 Jul 2026US 12,680,527 B2Lone Gull Holdings, Ltd.
- Hydroelectric power generation device and power generation method based on axial-flow hydraulic turbine1 Oct 2026US 2026/0298190 A1Hebei Water Conservancy Engr Bureau Group Limited
- Water powered Energy Conversion Using Buoyancy24 Sep 2026US 2026/0286926 A1
- Wind energy harvester24 Sep 2026US 2026/0286935 A1Archimedes IP Pty Ltd
- Mechanical energy generation system for sustainable clean energy17 Sep 2026US 2026/0275960 A1
- Combined breakwater and wave energy converter3 Sep 2026US 2026/0258777 A1
Most cited
By later US patents
- Performance optimization controller and control method for doubly-fed machines427US 5,798,631 AState of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 1998
- Islanding-operation prevention apparatus, and dispersed power generation apparatus and power generation system using the same282US 5,686,766 ACanon Kabushiki Kaisha · 1997
- System, method and computer program product for enhancing commercial value of electrical power produced from a renewable energy power production facility260US 6,512,966 B2ABB AB · 2003
- Wind-powered electricity generating system including wind energy storage195US 5,384,489 A1995
- Natural energy conversion, storage and electricity generation system162US 4,206,608 A1980