H01J 17/22
Means for obtaining or maintaining the desired pressure within the tube
H01J17/22 (Means for obtaining or maintaining the desired pressure within the tube) appears on 41 US grants and 19 published applications in this corpus.
Search patents in H01J- Granted patents
- 41
- Published applications
- 19
- Assignees
- 25
- Inventors
- 82
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 4 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Reducing plasma formation in an ion pump18 Jun 2024US 12,014,913 B2Edwards Vacuum LLC
- High temperature electrolysis glow discharge device30 Oct 2018US 10,117,318 B2Foret Plasma Labs, LLC
- Solid oxide high temperature electrolysis glow discharge cell10 Jul 2018US 10,018,351 B2Foret Plasma Labs, LLC
- Solid oxide high temperature electrolysis glow discharge cell24 Apr 2018US 9,951,942 B2Foret Plasma Labs, LLC
- High temperature electrolysis glow discharge device3 Oct 2017US 9,781,817 B2Foret Plasma Labs, LLC
- Reducing plasma formation in an ion pump13 Oct 2022US 2022/0328294 A1Edwards Vacuum LLC
- High Temperature Electrolysis Glow Discharge Device8 Feb 2018US 2018/0042098 A1Foret Plasma Labs, LLC
- Vacuum switching assembly5 May 2016US 2016/0126050 A1Supergrid Institute
- High Temperature Electrolysis Glow Discharge Device3 Mar 2016US 2016/0066403 A1Foret Plasma Labs, LLC
- Solid Oxide High Temperature Electrolysis Glow Discharge Cell12 Nov 2015US 2015/0323174 A1Foret Plasma Labs, LLC
Most cited
By later US patents
- Solid oxide high temperature electrolysis glow discharge cell34US 8,278,810 B2Foret Plasma Labs, LLC · 2012
- Solid oxide high temperature electrolysis glow discharge cell and plasma system27US 8,568,663 B2Foret Plasma Labs, LLC · 2013
- Multi-compartment getter-containing flat-panel device22US 5,977,706 ACandescent Technologies Corporation · 1999
- Plasma torch14US 9,105,433 B2Foret Plasma Labs, LLC · 2015
- Solid oxide high temperature electrolysis glow discharge cell14US 9,111,712 B2Foret Plasma Labs, LLC · 2015