F25B 31/023
With compressor of reciprocating-piston type
Official title: {with compressor of reciprocating-piston type}
F25B31/023 (With compressor of reciprocating-piston type) appears on 114 US grants and 153 published applications in this corpus.
Search patents in F25B- Granted patents
- 114
- Published applications
- 153
- Assignees
- 75
- Inventors
- 330
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 11 |
| 2016 | 2 | 6 |
| 2017 | 5 | 16 |
| 2018 | 12 | 11 |
| 2019 | 11 | 16 |
| 2020 | 13 | 5 |
| 2021 | 7 | 18 |
| 2022 | 13 | 9 |
| 2023 | 5 | 16 |
| 2024 | 10 | 12 |
| 2025 | 11 | 11 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single-phase field-oriented control for a linear compressor6 Oct 2026US 12,753,752 B1Haier US Appliance Solutions, Inc.
- Reciprocating compressor using outer rotor motor15 Sep 2026US 12,736,039 B2Samsung Electronics Co., Ltd.
- Compressor and refrigeration apparatus1 Sep 2026US 12,723,789 B2Guangdong Meizhi Precision-Manufacturing Co., Ltd.
- Air conditioning system14 Jul 2026US 12,680,742 B2Guangdong Meizhi Precision-Manufacturing Co., Ltd.
- Linear compressor with a self-aligned coupling16 Jun 2026US 12,656,030 B2Haier US Appliance Solutions, Inc.
- Refrigeration Circuit Device and Heat Pump8 Oct 2026US 2026/0309356 A1Viessmann Holding International GmbH
- Hermetic compressor and refrigerator including the same13 Aug 2026US 2026/0235334 A1Samsung Electronics Co., Ltd.
- Refrigerant compressor13 Aug 2026US 2026/0235336 A1Secop GmbH
- Cryogenic cooling system with a resonant expander2 Apr 2026US 2026/0092725 A1R7 Instruments, Inc.
- Grouped mechanical liquid piston heat pump19 Feb 2026US 2026/0049746 A1
Most cited
By later US patents
- Refrigerant compressor apparatus111US 6,401,472 B2BITZER Kuehlmaschinenbau GmbH · 2002
- Suction muffler for compressor76US 6,446,454 B1LG Electronics Inc. · 2002
- Variable displacement refrigerant compressor of variable angle wobble plate type41US 4,669,272 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1987
- System for controlling compressor operation25US 4,706,470 ASawafuji Electric Co., Ltd. · 1987
- Low volume inlet reciprocating compressor for dual evaporator refrigeration system21US 5,531,078 AGeneral Electric Company · 1996