F25B 15/025
Liquid transfer means
Official title: {Liquid transfer means}
F25B15/025 (Liquid transfer means) appears on 32 US grants and 19 published applications in this corpus.
Search patents in F25B- Granted patents
- 32
- Published applications
- 19
- Assignees
- 29
- Inventors
- 83
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Compact membrane-based absorption heat pump4 Jun 2024US 12,000,630 B2City University of Hong Kong
- Systems and methods for recovering water using a refrigeration system of a water recovery system18 Jul 2023US 11,703,236 B2Suntowater Technologies, LLC
- Cooling systems and related method18 Jul 2023US 11,703,266 B2General Electric Company
- Air-cooled ammonia refrigeration systems and methods11 Oct 2022US 11,466,905 B2Walmart Apollo, LLC
- Air-cooled ammonia refrigeration systems and methods2 Jun 2020US 10,670,307 B2Walmart Apollo, LLC
- Sorption heat pump and sorption cycle16 Jan 2025US 2025/0020372 A1
- Separate quick-freezing equipment27 Jul 2023US 2023/0235952 A1Wuyi University
- Compact membrane-based absorption heat pump2 Mar 2023US 2023/0069597 A1City University of Hong Kong
- Liquid ammonia, sodium nitrate and lithium bromide diffusion refrigeration system24 Feb 2022US 2022/0057117 A1Wuyi University
- Systems and methods for recovering water using a refrigeration system of a water recovery system29 Apr 2021US 2021/0123615 A1Suntowater Technologies, LLC
Most cited
By later US patents
- Control apparatus for a positive displacement reciprocating pump68US 4,648,810 ABarmag Barmer Maschinenfabrik AG · 1987
- Energy recovery apparatus27US 4,793,153 ARecovery Engineering, Inc. · 1988
- Refrigeration apparatus16US 4,270,365 A1981
- Control apparatus for a positive displacement reciprocating pump16US 4,523,901 ABarmag Barmer Maschinenfabrick · 1985
- Thermal absorption compression cycle15US 5,586,442 AHelios Research Corp. · 1996