F25B 2600/17
Control issues: by controlling the pressure of the condenser
Official title: by controlling the pressure of the condenser
F25B2600/17 (Control issues: by controlling the pressure of the condenser) appears on 165 US grants and 176 published applications in this corpus.
Search patents in F25B- Granted patents
- 165
- Published applications
- 176
- Assignees
- 65
- Inventors
- 371
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 4 |
| 2002 | 11 | 10 |
| 2003 | 12 | 8 |
| 2004 | 9 | 22 |
| 2005 | 13 | 15 |
| 2006 | 11 | 8 |
| 2007 | 5 | 11 |
| 2008 | 6 | 8 |
| 2009 | 7 | 9 |
| 2010 | 4 | 16 |
| 2011 | 4 | 8 |
| 2012 | 6 | 2 |
| 2013 | 4 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 3 |
| 2016 | 5 | 2 |
| 2017 | 2 | 10 |
| 2018 | 4 | 8 |
| 2019 | 9 | 2 |
| 2020 | 6 | 5 |
| 2021 | 4 | 4 |
| 2022 | 4 | 4 |
| 2023 | 4 | 2 |
| 2024 | 4 | 3 |
| 2025 | 2 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, controllers, and methods for controlling a CO2 refrigeration system15 Sep 2026US 12,736,262 B2Copeland Corporation
- Lubrication system for a compressor18 Aug 2026US 12,710,203 B2Johnson Controls Industries SAS
- System and method for controlling head pressure in a refrigeration system13 Jan 2026US 12,523,405 B2Lennox Industries Inc.
- Air conditioner23 Dec 2025US 12,504,211 B2LG Electronics Inc.
- Two-phase refrigerant pump bladder control system4 Nov 2025US 12,460,874 B2The United States of America as represented by the Secretary of the Air Force
- Air conditioner23 Jul 2026US 2026/0210611 A1Daikin Industries, Ltd.
- System and Method for Controlling Head Pressure in a Refrigeration System16 Jul 2026US 2026/0202111 A1Lennox Industries Inc.
- Systems, Controllers, And Methods For Controlling A CO2 Refrigeration System30 Apr 2026US 2026/0118018 A1
- Systems, controllers, and methods for controlling a co2 refrigeration system30 Apr 2026US 2026/0118029 A1Copeland Corporation
- System and Method for Controlling Head Pressure in a Refrigeration System16 Oct 2025US 2025/0321036 A1Lennox Industries Inc.
Most cited
By later US patents
- Method and device for high side pressure regulation in transcritical vapor compression cycle91US 5,245,836 ASinvent AS · 1993
- Ground source heat pump system62US 5,651,265 A1997
- High pressure regulation in economized vapor compression cycles59US 6,385,980 B1Carrier Corporation · 2002
- Method of monitoring refrigerant level58US 6,708,508 B2Behr GmbH & Co. · 2004
- Ejector cycle system with critical refrigerant pressure52US 6,477,857 B2Denso Corporation · 2002