H01J 7/18
Means for absorbing or adsorbing gas
Official title: Means for absorbing or adsorbing gas, e.g. by gettering
H01J7/18 (Means for absorbing or adsorbing gas) appears on 250 US grants and 152 published applications in this corpus.
Search patents in H01J- Granted patents
- 250
- Published applications
- 152
- Assignees
- 133
- Inventors
- 479
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 12 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 4 |
| 2003 | 10 | 10 |
| 2004 | 5 | 11 |
| 2005 | 5 | 9 |
| 2006 | 6 | 10 |
| 2007 | 3 | 13 |
| 2008 | 3 | 11 |
| 2009 | 8 | 11 |
| 2010 | 6 | 8 |
| 2011 | 10 | 5 |
| 2012 | 4 | 3 |
| 2013 | 4 | 5 |
| 2014 | 3 | 9 |
| 2015 | 12 | 8 |
| 2016 | 6 | 6 |
| 2017 | 4 | 4 |
| 2018 | 6 | 2 |
| 2019 | 2 | 6 |
| 2020 | 6 | 2 |
| 2021 | 3 | 2 |
| 2022 | 4 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 4 |
| 2025 | 1 | 1 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Implantable medical device with hydrogen getter18 Aug 2026US 12,708,784 B2Cardiac Pacemakers, Inc.
- Getter activation and use7 Apr 2026US 12,594,541 B2Johnson Matthey Davy Technologies Limited
- Modular getters and getters with different materials in vacuum enclosures31 Mar 2026US 12,592,354 B2Varex Imaging Corporation
- Compact vacuum packaging technology usable with ion traps20 Jan 2026US 12,531,227 B2ColdQuanta, Inc.
- Stabilized evaporable getter for increased handleability22 Apr 2025US 12,281,896 B2Honeywell International Inc.
- Vacuum pump13 Aug 2026US 2026/0237617 A1Edwards Vacuum LLC
- Magnetic assembly for a sputter ion pump30 Jul 2026US 2026/0221403 A1Edwards Vacuum LLC
- High-performance getter pump30 Apr 2026US 2026/0117758 A1Saes Getters S. P. A.
- Neg-coated permanent magnet23 Apr 2026US 2026/0112526 A1Saes Getters S. P. A.
- Evaporation pump27 Mar 2025US 2025/0101571 A1Tokamak Energy Ltd
Most cited
By later US patents
- Non-evaporable ternary gettering alloy and method of use for the sorption of water, water vapor and other gases99US 4,312,669 ASaes Getters S. P. A. · 1982
- Polymer formulations for gettering hydrogen62US 5,837,158 ASandia Corporation · 1998
- Device and process for the removal of hydrogen from a vacuum enclosure at cryogenic temperatures and especially high energy particle accelerators59US 5,365,742 ASaes Getters S. P. A. · 1994
- Getter device and process for using such49US 4,306,887 ASaes Getters S. P. A. · 1981
- High-efficiency metal membrane getter element and process for making46US 5,456,740 AMillipore Corporation · 1995