F17C 2227/048
By maintaining residual pressure
Official title: by maintaining residual pressure
F17C2227/048 (By maintaining residual pressure) appears on 116 US grants and 100 published applications in this corpus.
Search patents in F17C- Granted patents
- 116
- Published applications
- 100
- Assignees
- 71
- Inventors
- 205
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 5 |
| 2002 | 2 | 5 |
| 2003 | 7 | 2 |
| 2004 | 4 | 1 |
| 2005 | 2 | 4 |
| 2006 | 2 | 2 |
| 2007 | 4 | 3 |
| 2008 | 0 | 2 |
| 2009 | 2 | 6 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 3 | 8 |
| 2013 | 6 | 1 |
| 2014 | 3 | 7 |
| 2015 | 4 | 9 |
| 2016 | 6 | 5 |
| 2017 | 7 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 5 |
| 2020 | 3 | 5 |
| 2021 | 3 | 4 |
| 2022 | 4 | 6 |
| 2023 | 4 | 5 |
| 2024 | 6 | 4 |
| 2025 | 4 | 0 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitrox-mixtures production machine1 Sep 2026US 12,723,714 B2Nardi Compressori S.R.L.
- Valve with integrated pressure regulator6 Jan 2026US 12,516,738 B2Lincoln Global.Inc.
- Fluid supply and storage device, vehicle and method including such a device19 Aug 2025US 12,392,451 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Medical pin index residual pressure valve27 May 2025US 12,311,142 B2The ESAB Group, Inc.
- Method of venting a pressurized hydrogen gas from a hydrogen station testing device27 May 2025US 12,311,783 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Hydrogen motorization device and method9 Jul 2026US 2026/0194188 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Methods and apparatus for flow balancing26 Mar 2026US 2026/0085794 A1ASM IP Holding B. V.
- Method for delivering liquid hydrogen5 Mar 2026US 2026/0063247 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process to capture and store methane and natural gas from producing facilities using solid sorbents26 Feb 2026US 2026/0055851 A1
- A system for pressurized gas storage and/or transfer5 Dec 2024US 2024/0401750 A1Ngltech Services Sdn. Bhd.
Most cited
By later US patents
- Pressure-responsive shut-off valve60US 4,402,340 A1983
- Cylinder filler for use with an oxygen concentrator58US 6,393,802 B1Sunrise Medical HHG Inc. · 2002
- Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor57US 7,150,299 B2Air Products and Chemicals, Inc. · 2006
- Gas control device and method of supplying gas36US 6,314,986 B1Air Products and Chemicals, Inc. · 2001
- Assembly for controlling and dispensing gas for a container of pressurized gas33US 5,996,625 ATaema · 1999