F17C 2260/05
Improving chemical properties
F17C2260/05 (Improving chemical properties) appears on 174 US grants and 207 published applications in this corpus.
Search patents in F17C- Granted patents
- 174
- Published applications
- 207
- Assignees
- 164
- Inventors
- 482
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 9 | 3 |
| 2003 | 4 | 4 |
| 2004 | 1 | 6 |
| 2005 | 1 | 4 |
| 2006 | 2 | 12 |
| 2007 | 3 | 18 |
| 2008 | 5 | 3 |
| 2009 | 3 | 10 |
| 2010 | 7 | 8 |
| 2011 | 1 | 8 |
| 2012 | 5 | 3 |
| 2013 | 3 | 9 |
| 2014 | 3 | 14 |
| 2015 | 5 | 11 |
| 2016 | 7 | 7 |
| 2017 | 7 | 6 |
| 2018 | 7 | 12 |
| 2019 | 5 | 9 |
| 2020 | 4 | 13 |
| 2021 | 9 | 7 |
| 2022 | 6 | 5 |
| 2023 | 8 | 11 |
| 2024 | 10 | 11 |
| 2025 | 4 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 3D printed hydrogen storage systems using non-pyrophoric hydrogen storage alloys2 Jun 2026US 12,644,168 B2Sesame Solar, Inc.
- Pump arrangement for providing a saturated liquid27 Jan 2026US 12,535,061 B2Airbus Operations GmbH
- Hydrogen gas supply apparatus and hydrogen gas supply method6 Jan 2026US 12,515,164 B2Eneos Corporation
- Storage tank6 Jan 2026US 12,516,777 B2Dast Tanks, LLC
- Pumping of liquid cryogen from a storage tank2 Sep 2025US 12,405,594 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for cleaning high-pressure gas container17 Sep 2026US 2026/0273593 A1Resonac Corporation
- Method for cleaning high-pressure gas container17 Sep 2026US 2026/0273594 A1Resonac Corporation
- Storage tank13 Aug 2026US 2026/0235258 A1Dast Tanks, LLC
- Tank system for a hydrogen powered vehicle, fuel cell assembly, hydrogen internal combustion engine system, fuel cell powered vehicle, hydrogen powered vehicle9 Jul 2026US 2026/0194191 A1Robert Bosch GmbH
- Hydrogen gas supply apparatus and hydrogen gas supply method2 Apr 2026US 2026/0091343 A1Eneos Corporation
Most cited
By later US patents
- Method of passivating a gas vessel or component of a gas transfer system using a silicon overlay coating92US 6,511,760 B1Restek Corporation · 2003
- Modular bottle-mounted gas management system89US 5,440,477 ACreative Pathways, Inc. · 1995
- Compact fluid storage system81US 6,503,584 B12003
- Compact fluid storage system73US 6,015,065 A2000
- High performance, thin metal lined, composite overwrapped pressure vessel64US 5,822,838 ALockheed Martin Corporation · 1998