C01B 2210/0042
Making ultrapure specific gas
C01B2210/0042 (Making ultrapure specific gas) appears on 26 US grants and 23 published applications in this corpus.
Search patents in C01B- Granted patents
- 26
- Published applications
- 23
- Assignees
- 20
- Inventors
- 80
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for obtaining high purity nitrogen in nitrogen gas purification applications and a method thereof17 Feb 2026US 12,552,669 B2Mikropor Makina Sana Yi Ve Ticaret Anonim Sirketi
- Hydrogen separation filter and method for manufacturing hydrogen separation filter29 Jul 2025US 12,371,321 B2Toyota Jidosha Kabushiki Kaisha
- Production method for high-purity hydrogen chloride gas27 May 2025US 12,312,247 B2Tokuyama Corporation
- Process for separation of hydrogen and oxygen26 Dec 2023US 11,850,546 B2Sabic Global Technologies B.V.
- Process for separation of hydrogen and oxygen29 Mar 2022US 11,285,428 B2Sabic Global Technologies B.V.
- System and method for production of ultra-high purity oxygen5 Feb 2026US 2026/0035243 A1
- Method for producing high-purity hydrochloric acid30 Oct 2025US 2025/0333304 A1Tokuyama Corporation
- Purification apparatus and purification method for non-metal semiconductor material11 Jul 2024US 2024/0228286 A1
- Helium recovery process30 Nov 2023US 2023/0382735 A1AIR LIQUIDE ELECTRONICS GmbH
- A system for obtaining high purity nitrogen in nitrogen gas purification applications and a method thereof20 Jul 2023US 2023/0227310 A1Mikropor Makina Sanayi Ve Ticaret Anonim Sirketi
Most cited
By later US patents
- Gas supplying method and system54US 7,258,725 B2Taiyo Nippon Sanso Corporation · 2007
- Inert gas purifying system38US 5,454,923 ACeramatec, Inc. · 1995
- Method for purifying semiconductor gases25US 6,576,138 B2Praxair Technology, Inc. · 2003
- Purification of hydride gases24US 7,160,360 B2Air Products and Chemicals, Inc. · 2007
- Process for generating ultra high purity H.sub.2 or O.sub.216US 3,969,481 AIsotopes, Inc. · 1976