H01J 1/3048
Distributed particle emitters
Official title: {Distributed particle emitters}
H01J1/3048 (Distributed particle emitters) appears on 95 US grants and 112 published applications in this corpus.
Search patents in H01J- Granted patents
- 95
- Published applications
- 112
- Assignees
- 60
- Inventors
- 242
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 6 |
| 2003 | 0 | 8 |
| 2004 | 11 | 20 |
| 2005 | 11 | 15 |
| 2006 | 6 | 10 |
| 2007 | 13 | 7 |
| 2008 | 4 | 9 |
| 2009 | 0 | 4 |
| 2010 | 11 | 3 |
| 2011 | 5 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 5 | 0 |
| 2021 | 1 | 4 |
| 2022 | 3 | 1 |
| 2023 | 0 | 7 |
| 2024 | 4 | 2 |
| 2025 | 6 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen activation/ionization accelerating apparatus having fingerprint-type panel stack structure25 Aug 2026US 12,719,068 B2
- Methods of forming a field emission cathode4 Nov 2025US 12,462,999 B2NCX Corporation
- Method of forming field emission cathodes by co-electrodeposition7 Oct 2025US 12,437,955 B2NCX Corporation
- Process for fabricating high current field emission cathode containing nanomaterials17 Jun 2025US 12,334,296 B1A&M Consulting, LLC
- Field emission cathode device and method for forming a field emission cathode device15 Apr 2025US 12,278,078 B2NCX Corporation
- Cathodes having carbon nanotube (cnt) fibers wound onto graphite substrates or frameworks11 Dec 2025US 2025/0379018 A1Government of the United States as Represented by the Secretary of the Air Force
- Hydrogen activation/ionization accelerating apparatus having fingerprint-type panel stack structure12 Jun 2025US 2025/0191870 A1
- Hydrogen activation/ionization accelerator having ionization region repeating arrangement structure30 Jan 2025US 2025/0038236 A1
- Large scale stable field emitter for high current applications8 Aug 2024US 2024/0266136 A1Micro-X Limited
- Method and system for cleaning a field emission cathode device7 Mar 2024US 2024/0079197 A1NCX Corporation
Most cited
By later US patents
- Nanofabrication200US 7,189,435 B2University of Massachusetts · 2007
- Composition for electron emitter of field emission display and method for producing electron emitter using the same50US 6,146,230 ASamsung Display Devices Co., Ltd. · 2000
- Diamondoid-containing materials in microelectronics35US 6,783,589 B2Chevron U.S.A.Inc. · 2004
- Electron-emitting element and electron source, field emission image display device, and fluorescent lamp utilizing the same and methods of fabricating the same33US 6,914,372 B1Matsushita Electric Industrial Co., Ltd. · 2005
- Heterodiamondoid-containing field emission devices33US 7,312,562 B2Chevron U.S.A.Inc. · 2007