F25B 2700/13
Mass flow of refrigerants
F25B2700/13 (Mass flow of refrigerants) appears on 179 US grants and 234 published applications in this corpus.
Search patents in F25B- Granted patents
- 179
- Published applications
- 234
- Assignees
- 102
- Inventors
- 415
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 4 |
| 2004 | 4 | 2 |
| 2005 | 1 | 10 |
| 2006 | 5 | 11 |
| 2007 | 5 | 8 |
| 2008 | 6 | 13 |
| 2009 | 0 | 7 |
| 2010 | 5 | 2 |
| 2011 | 5 | 4 |
| 2012 | 7 | 8 |
| 2013 | 3 | 10 |
| 2014 | 5 | 13 |
| 2015 | 15 | 7 |
| 2016 | 9 | 8 |
| 2017 | 9 | 7 |
| 2018 | 8 | 17 |
| 2019 | 10 | 7 |
| 2020 | 10 | 8 |
| 2021 | 6 | 15 |
| 2022 | 9 | 12 |
| 2023 | 12 | 16 |
| 2024 | 16 | 20 |
| 2025 | 11 | 13 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration and heat pump systems with pressure exchangers1 Sep 2026US 12,723,782 B2Energy Recovery, Inc.
- Refrigerant leak mitigation system25 Aug 2026US 12,716,632 B2Trane International Inc.
- Systems and methods for refrigerant leakage diagnosis11 Aug 2026US 12,704,304 B2Tyco Fire & Security GmbH
- Systems and methods for defrost of heat pump systems30 Jun 2026US 12,669,273 B2Goodman Manufacturing Company, L. P.
- CO2 refrigeration system with multiple receivers16 Jun 2026US 12,656,031 B2Hill Phoenix, Inc.
- Refrigeration Circuit Device and Heat Pump8 Oct 2026US 2026/0309356 A1Viessmann Holding International GmbH
- Refrigerant leak mitigation system10 Sep 2026US 2026/0266522 A1Trane International Inc.
- Refrigerator20 Aug 2026US 2026/0243485 A1Daikin Industries, Ltd.
- Heat pump with pumped refrigerant remote condenser13 Aug 2026US 2026/0235332 A1VERTIV INTERNATIONAL GmbH
- Fluid supply system for bearings of hvac&r system13 Aug 2026US 2026/0235333 A1Tyco Fire & Security GmbH
Most cited
By later US patents
- Air filter monitoring system159US 7,244,294 B22007
- Intelligent thermostat system for monitoring a refrigerant-cycle apparatus134US 7,331,187 B22008
- Method and apparatus for monitoring a condenser unit in a refrigerant-cycle system99US 7,114,343 B22006
- Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus99US 7,343,751 B22008
- Method and apparatus for load reduction in an electric power system99US 7,424,343 B22008