H01J 41/14
With ionisation by means of thermionic cathodes
Official title: with ionisation by means of thermionic cathodes
H01J41/14 (With ionisation by means of thermionic cathodes) appears on 34 US grants and 23 published applications in this corpus.
Search patents in H01J- Granted patents
- 34
- Published applications
- 23
- Assignees
- 18
- Inventors
- 54
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 3 | 4 |
| 2019 | 9 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 3 | 4 |
| 2024 | 4 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Snap-on getter pump assembly and its use31 Mar 2026US 12,590,577 B2Saes Getters S. P. A.
- Modular getters and getters with different materials in vacuum enclosures31 Mar 2026US 12,592,354 B2Varex Imaging Corporation
- High power ion beam generator systems and methods24 Sep 2024US 12,101,870 B2SHINE Technologies, LLC
- High power ion beam generator systems and methods27 Aug 2024US 12,075,555 B2SHINE Technologies, LLC
- High power ion beam generator systems and methods7 May 2024US 11,979,975 B2SHINE Technologies, LLC
- High power ion beam generator systems and methods30 Apr 2026US 2026/0122758 A1SHINE Technologies, LLC
- High power ion beam generator systems and methods30 Apr 2026US 2026/0122759 A1SHINE Technologies, LLC
- Snap-on getter pump assembly and its use21 Aug 2025US 2025/0264093 A1Saes Getters S. P. A.
- High power ion beam generator systems and methods24 Oct 2024US 2024/0357728 A1SHINE Technologies, LLC
- Modular getters and getters with different materials in vacuum enclosures29 Aug 2024US 2024/0290569 A1Varex Imaging Corporation
Most cited
By later US patents
- Charged particle beam apparatus55US 7,582,885 B2Hitachi High-Technologies Corporation · 2009
- Ion pump with direct molecule flow channel through anode19US 9,960,026 B1ColdQuanta, Inc. · 2018
- Cold-matter system having ion pump integrated with channel cell16US 9,960,025 B1ColdQuanta, Inc. · 2018
- High power ion beam generator systems and methods13US 10,206,273 B2Phoenix Aktiengesellschaft · 2019
- Cathode structure for sputter ion pump11US 6,004,104 ADuniway Stockroom Corp. · 1999