F17C 2250/0447
Composition
Official title: Composition; Humidity
F17C2250/0447 (Composition) appears on 253 US grants and 309 published applications in this corpus.
Search patents in F17C- Granted patents
- 253
- Published applications
- 309
- Assignees
- 192
- Inventors
- 705
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 9 | 6 |
| 2003 | 9 | 8 |
| 2004 | 7 | 9 |
| 2005 | 8 | 8 |
| 2006 | 6 | 16 |
| 2007 | 9 | 10 |
| 2008 | 5 | 12 |
| 2009 | 7 | 7 |
| 2010 | 5 | 9 |
| 2011 | 4 | 8 |
| 2012 | 2 | 6 |
| 2013 | 2 | 7 |
| 2014 | 9 | 22 |
| 2015 | 3 | 14 |
| 2016 | 7 | 6 |
| 2017 | 12 | 5 |
| 2018 | 7 | 15 |
| 2019 | 8 | 20 |
| 2020 | 13 | 14 |
| 2021 | 9 | 8 |
| 2022 | 10 | 11 |
| 2023 | 16 | 27 |
| 2024 | 15 | 23 |
| 2025 | 14 | 23 |
| 2026 | 15 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen storage and distribution system29 Sep 2026US 12,747,831 B2Greentech Hydrogen Innovations Corp.
- Gaseous fuel storage system29 Sep 2026US 12,747,835 B2FirstElement Fuel, Inc.
- Nitrox-mixtures production machine1 Sep 2026US 12,723,714 B2Nardi Compressori S.R.L.
- Hydrogen fuel storage and delivery method to power aircraft1 Sep 2026US 12,723,715 B2Green Grid Inc.
- Scalable greenhouse gas capture systems and methods25 Aug 2026US 12,716,379 B2Marathon Petroleum Company LP
- Method for filling a fluid storage, fluid discharge device for a fluid or fluid mixture, and associated system8 Oct 2026US 2026/0309278 A1
- Methods and apparatus for managing a hydrogen storage and distribution system1 Oct 2026US 2026/0301885 A1General Electric Company
- Systems and methods for backhaul transportation of liquefied gas and co2 using liquefied gas carriers24 Sep 2026US 2026/0286879 A1Marathon Petroleum Company LP
- Hydrogen fueling module24 Sep 2026US 2026/0287119 A1Bosch Rexroth AG
- Apparatus and process for utilization of hydrogen gas output from a trailer13 Aug 2026US 2026/0235351 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator136US 5,979,440 ASeQual Technologies, Inc. · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator133US 6,698,423 B1SeQual Technologies, Inc. · 2004
- Oxygen concentrator107US 5,858,062 ALitton Systems, Inc. · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator101US 6,681,764 B1SeQual Technologies, Inc. · 2004
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator91US 6,651,653 B1SeQual Technologies, Inc. · 2003