F04B 19/24
Pumping by heat expansion of pumped fluid
F04B19/24 (Pumping by heat expansion of pumped fluid) appears on 162 US grants and 165 published applications in this corpus.
Search patents in F04B- Granted patents
- 162
- Published applications
- 165
- Assignees
- 110
- Inventors
- 336
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 6 | 7 |
| 2003 | 8 | 8 |
| 2004 | 4 | 10 |
| 2005 | 2 | 9 |
| 2006 | 2 | 8 |
| 2007 | 5 | 6 |
| 2008 | 6 | 10 |
| 2009 | 3 | 10 |
| 2010 | 3 | 2 |
| 2011 | 7 | 7 |
| 2012 | 5 | 2 |
| 2013 | 4 | 7 |
| 2014 | 5 | 8 |
| 2015 | 4 | 10 |
| 2016 | 5 | 13 |
| 2017 | 8 | 10 |
| 2018 | 9 | 2 |
| 2019 | 10 | 5 |
| 2020 | 8 | 9 |
| 2021 | 7 | 9 |
| 2022 | 7 | 2 |
| 2023 | 5 | 5 |
| 2024 | 8 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen compressing system and method for producing low-temperature high-pressure hydrogen3 Feb 2026US 12,540,708 B2Nuovo Pignone Tecnologie Srl
- Inertial pumps25 Nov 2025US 12,480,532 B2Hewlett-Packard Development Company, L. P.
- Apparatus and method of operating a gas pump19 Nov 2024US 12,146,479 B1Torramics Inc.
- Heat activated multiphase fluid-operated pump for motor temperature control12 Nov 2024US 12,142,749 B1Hamfop Technologies LLC
- Heat-activated pump with integrated evaporator for electronic chip heat removal29 Oct 2024US 12,133,363 B1Hamfop Technologies LLC
- Pressure Device6 Aug 2026US 2026/0226893 A1Great Southern Motor Company Pty. Ltd.
- Compression system18 Jun 2026US 2026/0168483 A1Universite Du Luxembourg
- Apparatus and method of operating a gas pump30 Jan 2025US 2025/0035099 A1Torramics Inc.
- Hydrogen compressing system and method for producing low- temperature high-pressure hydrogen18 Apr 2024US 2024/0125435 A1Nuovo Pignone Tecnologie Srl
- Apparatus and method of operating a gas pump9 Nov 2023US 2023/0358221 A1Torramics Inc.
Most cited
By later US patents
- Membrane pump with stretchable pump membrane348US 6,948,918 B2Novo Nordisk A/S · 2005
- Thermal micropump with values formed from silicon plates239US 5,375,979 ARobert Bosch GmbH · 1994
- Methods and systems for fluid control in microfluidic devices236US 6,575,188 B2HandyLab, Inc. · 2003
- Methods and systems for releasing intracellular material from cells within microfluidic samples of fluids222US 7,192,557 B2HandyLab, Inc. · 2007
- Methods and systems for processing microfluidic samples of particle containing fluids214US 7,270,786 B2HandyLab, Inc. · 2007