F25B 2700/1331
At the inlet
Official title: at the inlet
F25B2700/1331 (At the inlet) appears on 5 US grants and 3 published applications in this corpus.
Search patents in F25B- Granted patents
- 5
- Published applications
- 3
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for predicting refrigerant leakage of a critically charged HVAC/Refrigeration system15 Jul 2025US 12,359,830 B2Google Inc.
- Cooling system and refrigerant control method for cooling system24 May 2022US 11,343,946 B2NEC Corporation
- Refrigeration cycle apparatus19 Feb 2013US 8,375,736 B2Denso Corporation
- Sensor and control system for an automotive air conditioning system4 Jan 1994US 5,275,009 AJapan Electronic Control Systems Co., Ltd.
- Sensor and control system for an automotive air conditioning system30 Mar 1993US 5,197,298 AJapan Electronic Control Systems Co., Ltd.
- Systems and methods for predicting refrigerant leakage of a critically charged hvac/refrigeration system28 Mar 2024US 2024/0102677 A1Google Inc.
- Cooling system and refrigerant control method for cooling system28 Oct 2021US 2021/0337705 A1NEC Corporation
- Refrigeration cycle apparatus22 Oct 2009US 2009/0260375 A1Denso Corporation
Most cited
By later US patents
- Sensor and control system for an automotive air conditioning system9US 5,197,298 AJapan Electronic Control Systems Co., Ltd. · 1993
- Sensor and control system for an automotive air conditioning system9US 5,275,009 AJapan Electronic Control Systems Co., Ltd. · 1994
- Refrigeration cycle apparatus1US 8,375,736 B2Denso Corporation · 2013