F25B 2700/1352
At the inlet
Official title: at the inlet
F25B2700/1352 (At the inlet) appears on 12 US grants and 14 published applications in this corpus.
Search patents in F25B- Granted patents
- 12
- Published applications
- 14
- Assignees
- 10
- Inventors
- 33
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor oil recovery in hybrid VCC pumped two phase loops17 Mar 2026US 12,578,131 B2Hamilton Sundstrand Corporation
- Systems and methods of using cascading heat pumps for improvement of coefficient of performance7 Oct 2025US 12,435,909 B2
- Systems and methods for predicting refrigerant leakage of a critically charged HVAC/Refrigeration system15 Jul 2025US 12,359,830 B2Google Inc.
- Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program31 May 2022US 11,346,589 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Management device, management method, and non-transitory program recording medium18 Jan 2022US 11,226,662 B2NEC Corporation
- Compressor oil recovery in hybrid vcc pumped two phase loops15 May 2025US 2025/0155172 A1Hamilton Sundstrand Corporation
- Systems and methods for predicting refrigerant leakage of a critically charged hvac/refrigeration system28 Mar 2024US 2024/0102677 A1Google Inc.
- Systems and methods of using cascading heat pumps for improvement of coefficient of performance12 Oct 2023US 2023/0324084 A1
- Management device, management method, and non-transitory program recording medium9 Sep 2021US 2021/0278884 A1NEC Corporation
- Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program15 Apr 2021US 2021/0108843 A1Mitsubishi Heavy Industries Thermal Systems, Ltd.
Most cited
By later US patents
- Method for detecting changes in a first media flow of a heat or cooling medium in a refrigeration system47US 7,685,830 B2Danfoss A/S · 2010
- Refrigeration system controlled by refrigerant quality within evaporator22US 8,646,286 B2PDX Technologies LLC · 2014
- Refrigeration system21US 4,829,777 ANippondenso Co., Ltd. · 1989
- Vehicle air conditioning device using a supercritical cycle9US 6,786,057 B2Valeo Climatisation · 2004
- Refrigeration system controlled by refrigerant quality within evaporator3US 10,365,018 B2PDX Technologies LLC · 2019