F25B 41/315
Actuated by floats
Official title: actuated by floats
F25B41/315 (Actuated by floats) appears on 51 US grants and 17 published applications in this corpus.
Search patents in F25B- Granted patents
- 51
- Published applications
- 17
- Assignees
- 27
- Inventors
- 74
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 3 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Orifice set and chiller system having it11 Nov 2025US 12,467,667 B2Carrier Corporation
- Refrigeration device provided with a secondary by-pass branch and method of use thereof11 Apr 2023US 11,624,538 B2Angelantoni Test Technologies Srl-In Breve Att Srl
- Electronic expansion valve and assembly method therefor29 Mar 2022US 11,287,167 B2Zhejiang Sanhua Climate and Appliance Controls Group Co., Ltd
- Refrigeration system and controlling method for starting the refrigeration system3 Nov 2020US 10,823,472 B2Carrier Corporation
- Refrigeration unit with heat exchanging arrangement14 Jul 2020US 10,712,049 B1
- Systems and methods for heat exchange28 May 2026US 2026/0150244 A1Zuta-Core Ltd.
- Orifice set and chiller system having it14 Sep 2023US 2023/0288107 A1Carrier Corporation
- Refrigeration device and related operating method2 Sep 2021US 2021/0270504 A1Angelantoni Test Technologies Srl-In Breve Att Srl
- Electronic expansion valve and assembly method therefor5 Dec 2019US 2019/0368792 A1Zhejiang Sanhua Climate and Appliance Controls Group Co., Ltd
- Refrigeration system and controlling method for starting the refrigeration system13 Dec 2018US 2018/0356137 A1Carrier Corporation
Most cited
By later US patents
- Refrigerant level control in a refrigeration system98US 5,655,379 AGeneral Electric Company · 1997
- Refrigerant flow rate control based on liquid level in simple vapor compression refrigeration cycles97US 5,435,145 AGeneral Electric Company · 1995
- Refrigerant flow rate control based on liquid level in dual evaporator two-stage refrigeration cycles89US 5,431,026 AGeneral Electric Company · 1995
- Use of electronic expansion valve to maintain minimum oil flow59US 6,050,098 AAmerican Standard Inc. · 2000
- Flash tank economizer55US 5,692,389 ACarrier Corporation · 1997