F17C 2250/0452
Concentration of a product
F17C2250/0452 (Concentration of a product) appears on 137 US grants and 172 published applications in this corpus.
Search patents in F17C- Granted patents
- 137
- Published applications
- 172
- Assignees
- 112
- Inventors
- 387
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 5 |
| 2003 | 6 | 3 |
| 2004 | 3 | 4 |
| 2005 | 4 | 6 |
| 2006 | 4 | 8 |
| 2007 | 4 | 6 |
| 2008 | 1 | 3 |
| 2009 | 3 | 0 |
| 2010 | 3 | 7 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 2 | 4 |
| 2014 | 4 | 13 |
| 2015 | 1 | 10 |
| 2016 | 6 | 6 |
| 2017 | 7 | 4 |
| 2018 | 4 | 7 |
| 2019 | 3 | 11 |
| 2020 | 8 | 7 |
| 2021 | 7 | 3 |
| 2022 | 5 | 8 |
| 2023 | 3 | 13 |
| 2024 | 8 | 15 |
| 2025 | 7 | 15 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Method for coordinating an evaporation process of a motor vehicle having a hydrogen tank, and assistance system25 Aug 2026US 12,716,555 B2Daimler Truck AG
- Fluid filling systems and methods18 Aug 2026US 12,709,533 B2Fountain Master, LLC
- Methods and apparatus for managing a hydrogen storage and distribution system2 Jun 2026US 12,646,594 B2General Electric Company
- 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
- 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.
- Mobile hydrogen fueling system for aircraft26 Mar 2026US 2026/0084835 A1Hyflyer Powertrain, LLC
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
- 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
- Cylinder filler for use with an oxygen concentrator58US 6,393,802 B1Sunrise Medical HHG Inc. · 2002