H01J 49/123
Duoplasmatrons
Official title: {Duoplasmatrons}
H01J49/123 (Duoplasmatrons) appears on 3 US grants and 3 published applications in this corpus.
Search patents in H01J- Granted patents
- 3
- Published applications
- 3
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 18 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year.
Recent patents
- Discharge chambers and ionization devices, methods and systems using them18 Jul 2023US 11,705,319 B2PerkinElmer Scientific Canada ULC
- Duoplasmatron ion source with a partially ferromagnetic anode29 Mar 2022US 11,289,299 B2Arizona Board of Regents on behalf of Arizona State University
- Discharge chambers and ionization devices, methods and systems using them8 Jun 2021US 11,031,227 B2PerkinElmer Health Sciences Canada, Inc.
- Discharge chambers and ionization devices, methods and systems using them31 Mar 2022US 2022/0102130 A1PerkinElmer Health Sciences Canada, Inc.
- Duoplasmatron ion source with a partially ferromagnetic anode2 Dec 2021US 2021/0375574 A1Arizona Board of Regents on behalf of Arizona State University
- Discharge chambers and ionization devices, methods and systems using them21 Nov 2019US 2019/0355565 A1PerkinElmer Health Sciences Canada, Inc.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.