F17C 2221/038
Refrigerants
F17C2221/038 (Refrigerants) appears on 54 US grants and 34 published applications in this corpus.
Search patents in F17C- Granted patents
- 54
- Published applications
- 34
- Assignees
- 45
- Inventors
- 117
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 4 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Subsea storage of a water miscible storage fluid12 May 2026US 12,624,794 B2Grant Prideco, L.P.
- Liquefied gas unloading and deep evacuation system9 Jul 2024US 12,031,541 B2Advanced Flow Solutions Inc.
- Container for storing a composition comprising tetrafluoropropene and method for storing same5 Mar 2024US 11,920,837 B2Arkema France
- Natural gas tank pressure control for transport refrigeration unit6 Jun 2023US 11,667,229 B2Carrier Corporation
- Storage method for hydrochlorofluoroolefin, and storage container for hydrochlorofluoroolefin13 Dec 2022US 11,525,543 B2AGC Inc.
- Pressure Device6 Aug 2026US 2026/0226893 A1Great Southern Motor Company Pty. Ltd.
- System and method for cooling of a liquefied gas product4 Jun 2026US 2026/0153191 A1Azane Fuel Solutions AG
- Subsea storage of a water miscible storage fluid26 Sep 2024US 2024/0318780 A1Grant Prideco, L.P.
- Liquefied gas unloading and deep evacuation system11 Aug 2022US 2022/0252072 A1Advanced Flow Solutions Inc.
- Liquefied gas unloading and deep evacuation system4 Mar 2021US 2021/0062814 A1Corken, Inc.
Most cited
By later US patents
- Apparatus for use in servicing and installing refrigeration systems without freon leakage39US 5,540,254 A1996
- Apparatus and method for urging fluid into a pressurized system34US 6,561,237 B1Brasscorp Limited · 2003
- Method and apparatus for charging pressurized systems33US 5,826,636 A1998
- Storage tank scale for a refrigerant recovery system30US 4,878,356 AKent-Moore Corporation · 1989
- Cryostat refrigeration system using mixed refrigerants in a closed vapor compression cycle having a fixed flow restrictor29US 5,579,654 AAPD Cryogenics, Inc. · 1996