F25B 2400/08
Refrigeration machines, plants and systems having means for detecting the concentration of
Official title: Refrigeration machines, plants and systems having means for detecting the concentration of a refrigerant
F25B2400/08 (Refrigeration machines, plants and systems having means for detecting the concentration of) appears on 26 US grants and 34 published applications in this corpus.
Search patents in F25B- Granted patents
- 26
- Published applications
- 34
- Assignees
- 26
- Inventors
- 87
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 0 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 5 | 1 |
| 2018 | 2 | 4 |
| 2019 | 1 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 1 | 0 |
| 2024 | 4 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switchgear cabinet arrangement with a safety function, and a corresponding method26 Nov 2024US 12,152,819 B2Rittal GmbH & Co.KG
- Control system for a vapor compression system20 Aug 2024US 12,066,231 B2Johnson Controls Industries SAS
- Calibration method of refrigerant saturation temperature in a refrigeration system, a controller for applying such a method and a cooling machine16 Jul 2024US 12,038,212 B2Maersk Container Industry A/S
- Refrigeration cycle apparatus7 May 2024US 11,976,859 B2Daikin Industries, Ltd.
- Determination device for refrigerant quality21 Mar 2023US 11,609,011 B2Daikin Industries, Ltd.
- Autocascade system with superheat control based on working fluid concentration levels9 Apr 2026US 2026/0098665 A1Trane International Inc.
- Refrigeration cycle apparatus and control method thereof2 Apr 2026US 2026/0092730 A1Daikin Industries, Ltd.
- Refrigeration cycle apparatus18 Jan 2024US 2024/0019181 A1Daikin Industries, Ltd.
- Cooling system, air removal attachment, air removal method, and storage medium24 Nov 2022US 2022/0377944 A1NEC Corporation
- Control system for a vapor compression system23 Jun 2022US 2022/0196310 A1Johnson Controls Industries SAS
Most cited
By later US patents
- Refrigerant circulating system76US 5,737,931 AMitsubishi Denki Kabushiki Kaisha · 1998
- System for refrigerant charging with constant volume tank10US 7,905,095 B2SPX Corporation · 2011
- Method and apparatus for providing an indication of the composition of a fluid particularly useful in heat pumps and vaporizers8US 6,509,553 B2A.T.C.T. Advanced Thermal Chips Technologies Ltd. · 2003
- Air-conditioning apparatus8US 9,651,287 B2Mitsubishi Electric Corporation · 2017
- Refrigeration cycle apparatus7US 10,113,763 B2Mitsubishi Electric Corporation · 2018