H01J 33/00
Discharge tubes with provision for emergence of electrons or ions from the
Official title: Discharge tubes with provision for emergence of electrons or ions from the vessel ({irradiation devices G21K} ; particle accelerators H05H); Lenard tubes
H01J33/00 (Discharge tubes with provision for emergence of electrons or ions from the) appears on 217 US grants and 158 published applications in this corpus.
Search patents in H01J- Granted patents
- 217
- Published applications
- 158
- Assignees
- 123
- Inventors
- 428
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 8 |
| 2003 | 8 | 6 |
| 2004 | 7 | 9 |
| 2005 | 3 | 6 |
| 2006 | 7 | 1 |
| 2007 | 5 | 8 |
| 2008 | 4 | 3 |
| 2009 | 1 | 4 |
| 2010 | 4 | 4 |
| 2011 | 2 | 9 |
| 2012 | 6 | 5 |
| 2013 | 2 | 12 |
| 2014 | 10 | 8 |
| 2015 | 8 | 10 |
| 2016 | 8 | 11 |
| 2017 | 12 | 9 |
| 2018 | 5 | 4 |
| 2019 | 4 | 10 |
| 2020 | 6 | 6 |
| 2021 | 6 | 7 |
| 2022 | 4 | 2 |
| 2023 | 1 | 7 |
| 2024 | 4 | 3 |
| 2025 | 6 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Isothermal ion source with auxiliary heaters4 Nov 2025US 12,463,001 B2SHINE Technologies, LLC
- Energy beam irradiation device14 Oct 2025US 12,444,518 B2Hamamatsu Photonics K.K.
- Flexible ion generator device16 Sep 2025US 12,415,011 B2Global Plasma Solutions, Inc.
- Apparatus and method for applying accelerated electrons to gaseous media15 Apr 2025US 12,274,971 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Electron exit window foil for electron beam emitter1 Apr 2025US 12,266,498 B2Tetra Laval Holdings & Finance S. A.
- Apparatus for applying accelerated electrons to fluids and inner walls of hollow bodies2 Apr 2026US 2026/0094781 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Apparatus for applying accelerated electrons to bulk material22 Jan 2026US 2026/0024716 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Flexible ion generator device27 Nov 2025US 2025/0360243 A1Global Plasma Solutions, Inc.
- Particle beam assisted fused deposition modeling5 Jun 2025US 2025/0185150 A1Fermi Research Alliance, LLC
- Power supply device6 Mar 2025US 2025/0081416 A1Nhv Corporation
Most cited
By later US patents
- Electron beam device with single crystal window and expansion-matched anode95US 5,612,588 AAmerican International Technologies, Inc. · 1997
- Electron beam accelerator92US 5,962,995 AApplied Advanced Technologies, Inc. · 1999
- Electron beam array for surface treatment85US 5,414,267 AAmerican International Technologies, Inc. · 1995
- Wire ion plasma gun68US 4,786,844 ARPC Industries · 1988
- Apparatus and method for a modular electron beam system for the treatment of surfaces63US 5,909,032 AAmerican International Technologies, Inc. · 1999