C10N 2020/097
Refrigerants
Official title: {Refrigerants}
C10N2020/097 (Refrigerants) appears on 455 US grants and 634 published applications in this corpus.
Search patents in C10N- Granted patents
- 455
- Published applications
- 634
- Assignees
- 110
- Inventors
- 553
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 4 |
| 2003 | 7 | 11 |
| 2004 | 7 | 10 |
| 2005 | 8 | 16 |
| 2006 | 2 | 14 |
| 2007 | 4 | 16 |
| 2008 | 6 | 9 |
| 2009 | 12 | 32 |
| 2010 | 6 | 28 |
| 2011 | 23 | 28 |
| 2012 | 21 | 34 |
| 2013 | 23 | 34 |
| 2014 | 31 | 24 |
| 2015 | 19 | 38 |
| 2016 | 34 | 40 |
| 2017 | 29 | 50 |
| 2018 | 32 | 39 |
| 2019 | 35 | 32 |
| 2020 | 31 | 33 |
| 2021 | 27 | 30 |
| 2022 | 27 | 34 |
| 2023 | 15 | 21 |
| 2024 | 12 | 21 |
| 2025 | 16 | 19 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C10N 2020/101Containing hydrofluorocarbonsIndexing code388
- C10N 2020/103Containing hydrocarbonsIndexing code155
- C10N 2020/106Containing carbon dioxideIndexing code116
- C10N 2020/099Containing chlorofluorocarbonsIndexing code83
- C10N 2020/105Containing ammoniaIndexing code65
- C10N 2020/104Containing nitrogenIndexing code0
Recent patents
- Heat transfer compositions, methods, and systems11 Aug 2026US 12,703,817 B2Solstice Advanced Materials US, Inc.
- Lubricants for use in vapor-compression systems19 May 2026US 12,630,780 B2The Lubrizol Corporation
- Refrigerator oil composition and mixed composition for refrigerator12 May 2026US 12,624,306 B2Idemitsu Kosan Co., Ltd.
- Lubricant additive, lubricant composition, and working fluid composition31 Mar 2026US 12,590,263 B2Eneos Corporation
- Refrigerator oil composition and mixed composition for refrigerator17 Mar 2026US 12,577,448 B2Idemitsu Kosan Co., Ltd.
- Base oil for refrigerator oil, refrigerator oil, and working fluid composition17 Sep 2026US 2026/0275222 A1Eneos Corporation
- Refrigeration oil, composition for refrigerator, and heat pump including the same20 Aug 2026US 2026/0242691 A1SK Innovation Co., Ltd.
- Lubricant including an ester of pyromellitic acid for refrigeration systems13 Aug 2026US 2026/0234486 A1The Lubrizol Corporation
- Ester for refrigerator oil, base oil for refrigerator oil, refrigerator oil, and working fluid composition13 Aug 2026US 2026/0234487 A1Eneos Corporation
- Lubricant for use with chlorine-containing refrigerants in compressor applications13 Aug 2026US 2026/0234499 A1The Lubrizol Corporation
Most cited
By later US patents
- Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composition779US 8,193,129 B2Nippon Oil Co., Ltd. · 2012
- Hydrofluorocarbon refrigerant compositions soluble in lubricating oil67US 6,526,764 B1Honeywell International Inc. · 2003
- Polyol ester lubricants for refrigerating compressors operating at high temperatures55US 5,833,876 AHenkel Corporation · 1998
- Refrigerator oil for carbon dioxide refrigerant, and method of using it for lubrication55US 6,306,803 B1Idemitsu Kosan Co., Ltd. · 2001
- Compositions comprising a fluoroolefin50US 7,569,170 B2E. I. Du Pont de Nemours and Company · 2009