H01J 1/04
Liquid electrodes
Official title: Liquid electrodes, e.g. liquid cathode
H01J1/04 (Liquid electrodes) appears on 15 US grants and 18 published applications in this corpus.
Search patents in H01J- Granted patents
- 15
- Published applications
- 18
- Assignees
- 7
- Inventors
- 21
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 5 | 4 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adaptive impedance tracking18 Mar 2025US 12,253,574 B2Advanced Energy Industries, Inc.
- Electron gun device5 Apr 2022US 11,295,925 B2Param Corporation
- Solution electrode glow discharge apparatus28 Sep 2021US 11,133,146 B22S Water Incorporated
- Method and apparatus for a porous electrospray emitter16 Jun 2020US 10,685,808 B2Massachusetts Institute of Technology
- Method and apparatus for a porous electrospray emitter10 Sep 2019US 10,410,821 B2Massachusetts Institute of Technology
- Electron emission apparatus and electronic apparatus10 Sep 2026US 2026/0269164 A1Westlake University
- Adaptive impedance tracking26 Jun 2025US 2025/0208231 A1AES Global Holdings PTE Ltd.
- Electron emission apparatus and electronic apparatus8 May 2025US 2025/0149285 A1Westlake University
- Adaptive impedance tracking4 Jul 2024US 2024/0219478 A1Advanced Energy Industries, Inc.
- Electron gun device17 Feb 2022US 2022/0051866 A1Param Corporation
Most cited
By later US patents
- Bremstrahlung target for intensity modulated X-ray radiation therapy and stereotactic X-ray therapy27US 9,330,879 B22016
- Method and apparatus for a porous electrospray emitter19US 8,785,881 B2Massachusetts Institute of Technology · 2014
- Method and apparatus for a porous electrospray emitter13US 9,362,097 B2Massachusetts Institute of Technology · 2016
- Method and apparatus for a porous electrospray emitter13US 9,478,403 B2Massachusetts Institute of Technology · 2016
- Method and apparatus for a porous electrospray emitter10US 9,905,392 B2Massachusetts Institute of Technology · 2018