C01B 2210/0031
Helium
C01B2210/0031 (Helium) appears on 70 US grants and 96 published applications in this corpus.
Search patents in C01B- Granted patents
- 70
- Published applications
- 96
- Assignees
- 50
- Inventors
- 250
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 4 | 2 |
| 2008 | 3 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 4 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 4 |
| 2015 | 0 | 6 |
| 2016 | 6 | 7 |
| 2017 | 4 | 6 |
| 2018 | 2 | 3 |
| 2019 | 4 | 7 |
| 2020 | 3 | 3 |
| 2021 | 2 | 5 |
| 2022 | 2 | 4 |
| 2023 | 2 | 3 |
| 2024 | 2 | 9 |
| 2025 | 1 | 5 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lunar regolith processing system for mining and beneficiation8 Sep 2026US 12,729,625 B2Interlune Corporation
- Method of recycling helium from waste gas in semiconductor process1 Sep 2026US 12,722,973 B2Samsung Electronics Co., Ltd.
- Process and apparatus to recover helium23 Jun 2026US 12,662,379 B2The University of Western Australia
- Cryogenic process for crude helium recovery from natural gas12 May 2026US 12,623,905 B2Council of Scientific and Industrial Research
- Systems and methods for discovering and recovering subsurface fluids and verification of subsurface storage fluids13 Jan 2026US 12,523,148 B2Koloma, Inc.
- Mixed gas separation device and mixed gas separation method27 Aug 2026US 2026/0250130 A1L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitaion des Procédés Georges Claude
- Device for purifying and liquefying helium and associated method20 Aug 2026US 2026/0243504 A1Bruker Switzerland AG
- Process for producing very high purity helium or hydrogen30 Jul 2026US 2026/0217533 A1Air Liquide Advanced Technologies U.S. LLC
- Multi-stage hydrogen/helium separation using hydrogen-selective membranes11 Jun 2026US 2026/0158436 A1Hydrogen Onsite, S.L.
- Systems and methods for discovering and recovering subsurface fluids and verification of subsurface storage fluids16 Apr 2026US 2026/0103979 A1Koloma, Inc.
Most cited
By later US patents
- Process for the separation/recovery of gases114US 6,179,900 B2GKSS-Forschungszentrum Geesthacht GmbH · 2001
- Process for recovering helium from a gas stream99US 5,224,350 AAdvanced Extraction Technologies, Inc. · 1993
- Process for recovering helium from a multi-component gas stream77US 4,717,407 AAir Products and Chemicals, Inc. · 1988
- Enhanced helium recovery45US 5,632,803 ANitrotec Corporation · 1997
- Method of preparing high purity light gas by multiple-step gas separation32US 5,064,446 AUbe Industries, Ltd. · 1991