F17C 2250/0434
Pressure difference
F17C2250/0434 (Pressure difference) appears on 138 US grants and 140 published applications in this corpus.
Search patents in F17C- Granted patents
- 138
- Published applications
- 140
- Assignees
- 102
- Inventors
- 319
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 2 |
| 2005 | 3 | 3 |
| 2006 | 0 | 3 |
| 2007 | 3 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 5 |
| 2014 | 2 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 4 |
| 2017 | 4 | 7 |
| 2018 | 6 | 8 |
| 2019 | 7 | 9 |
| 2020 | 10 | 6 |
| 2021 | 6 | 10 |
| 2022 | 10 | 6 |
| 2023 | 6 | 19 |
| 2024 | 14 | 7 |
| 2025 | 10 | 19 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas supply system15 Sep 2026US 12,736,187 B2Toyota Jidosha Kabushiki Kaisha
- Fluid filling systems and methods18 Aug 2026US 12,709,533 B2Fountain Master, LLC
- Device and method for transferring liquid helium into an application cryostat28 Apr 2026US 12,613,000 B2
- System and method for point-of-delivery patient oxygen supply monitoring14 Apr 2026US 12,599,734 B2Baltimore Respiratory Innovations LLC
- System and method for detecting hydrogen tank fill operation in a fuel cell electric vehicle2 Dec 2025US 12,486,948 B2Ford Global Technologies, LLC
- Method for Removing Hydrogen, for Completely Emptying a Liquid-Hydrogen Tank, and Use of Same17 Sep 2026US 2026/0276150 A1Daimler Truck AG
- Hydrogen tank system and diagnostic method for a hydrogen tank system6 Aug 2026US 2026/0227035 A1Robert Bosch GmbH
- Hydrogen gas transport device and purging method for compressor30 Jul 2026US 2026/0218857 A1Kawasaki Jukogyo Kabushiki Kaisha
- Method for operating a fuel gas tank system, and a control device2 Jul 2026US 2026/0185664 A1Robert Bosch GmbH
- Gas supply system18 Jun 2026US 2026/0168625 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Self-contained mobile fueling station157US 6,786,245 B1Air Products and Chemicals, Inc. · 2004
- Cascade system for fueling compressed natural gas80US 5,884,675 A1999
- Mobile delivery and storage system for cryogenic fluids65US 5,954,101 AMVE, Inc. · 1999
- Process for maintaining liquid supply55US 4,782,451 AUnion Carbide Corporation · 1988
- Differential pressure gauge for cryogenic fluids55US 6,542,848 B1Chart Inc. · 2003