H01J 49/0427
Using a membrane permeable to gases
Official title: {using a membrane permeable to gases}
H01J49/0427 (Using a membrane permeable to gases) appears on 33 US grants and 34 published applications in this corpus.
Search patents in H01J- Granted patents
- 33
- Published applications
- 34
- Assignees
- 29
- Inventors
- 66
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 3 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 4 |
| 2018 | 0 | 1 |
| 2019 | 3 | 2 |
| 2020 | 4 | 5 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for extracting gaseous and liquid products from a reaction fluid28 Apr 2026US 12,614,708 B2Technische UniversitäT Berlin
- Membrane-based purge gas and sample transfer for laser ablation sample processing30 Sep 2025US 12,431,346 B2Elemental Scientific, Inc.
- System for introducing particle-containing samples to an analytical instrument and methods of use14 Feb 2023US 11,581,177 B2Perkin Elmer Yuhan Hoesa
- Gas analyzer and membranes therefor31 Jan 2023US 11,569,079 B2Inficon GmbH
- Chemical analysis device and method22 Mar 2022US 11,282,687 B2Inficon GmbH
- Membrane-based purge gas and sample transfer for laser ablation sample processing19 Mar 2026US 2026/0081129 A1
- Secondary Battery Testing Apparatus and Secondary Battery Testing System16 Jan 2025US 2025/0022701 A1JOEL Ltd.
- Membrane-based purge gas and sample transfer for laser ablation sample processing21 Sep 2023US 2023/0298877 A1Elemental Scientific, Inc.
- Device for extracting gaseous and liquid products from a reaction fluid25 May 2023US 2023/0162960 A1Technische UniversitäT Berlin
- Gas analyzer and membranes therefor14 Oct 2021US 2021/0319992 A1Inficon GmbH
Most cited
By later US patents
- Composite membrane and support assembly124US 5,703,359 ALeybold Inficon, Inc. · 1997
- Method and apparatus for measuring gas transmission rates of deformable or brittle materials44US 6,981,403 B2Mocon, Inc. · 2006
- High-speed transmission of blood stream gases31US 4,187,856 AThe Perkin-Elmer Corporation · 1980
- Soft ionization device and applications thereof16US 6,610,986 B2Ionfinity LLC · 2003
- System and method for eluting and testing substance from exhaled aerosol sample15US 9,429,564 B2Sensa Bues AB · 2016