H01J 41/20
Using gettering substances
Official title: using gettering substances
H01J41/20 (Using gettering substances) appears on 27 US grants and 25 published applications in this corpus.
Search patents in H01J- Granted patents
- 27
- Published applications
- 25
- Assignees
- 24
- Inventors
- 75
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum module and vacuum apparatus and method for regeneration of a volume getter vacuum pump1 Oct 2024US 12,106,950 B2Edwards Vacuum LLC
- Compact electrostatic ion pump31 Jan 2023US 11,569,077 B2SRI International
- Wien filter with integrated vacuum pump6 Jul 2021US 11,056,313 B1Jefferson Science Associates, LLC
- Sintered non-porous cathode and sputter ion vacuum pump containing the same6 Jul 2021US 11,056,326 B2Saes Getters S. P. A.
- Vacuum apparatus13 Oct 2020US 10,804,084 B2Hitachi High-Tech Corporation
- Vacuum pump13 Aug 2026US 2026/0237617 A1Edwards Vacuum LLC
- Magnetic assembly for a sputter ion pump30 Jul 2026US 2026/0221403 A1Edwards Vacuum LLC
- Vacuum module and vacuum apparatus and method for regeneration of a volume getter vacuum pump23 Mar 2023US 2023/0088465 A1Edwards Vacuum LLC
- Compact electrostatic ion pump29 Oct 2020US 2020/0343081 A1SRI International
- Pressure gradient pump13 Jun 2019US 2019/0180969 A1Edwards Vacuum LLC
Most cited
By later US patents
- Evacuating device for generating an insulating vacuum around the superconducting winding of a rotor20US 4,274,022 ASiemens Aktiengesellschaft · 1981
- Ion pump19US 4,631,002 AVarian, Inc. · 1986
- Method and apparatus for supplying fluid to an internal combustion engine18US 4,364,370 A1982
- High vacuum pump15US 4,097,195 AVarian Associates, Inc. · 1978
- Sputter-ion pump having improved cooling and improved magnetic circuitry10US 3,994,625 AVarian Associates, Inc. · 1976