G21K 1/08
Deviation, concentration or focusing of the beam by electric or magnetic means
Official title: Deviation, concentration or focusing of the beam by electric or magnetic means (electron-optical arrangements in electric discharge tubes H01J29/46; {details, e.g. electric or magnetic deviating means for direct voltage accelerators or in accelerators using single pulses H05H5/02; arrangements for injecting particles into orbits H05H7/08; arrangements for ejecting particles from orbits H05H7/10})
G21K1/08 (Deviation, concentration or focusing of the beam by electric or magnetic means) appears on 510 US grants and 463 published applications in this corpus.
Search patents in G21K- Granted patents
- 510
- Published applications
- 463
- Assignees
- 256
- Inventors
- 974
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 18 |
| 2003 | 18 | 16 |
| 2004 | 14 | 12 |
| 2005 | 17 | 14 |
| 2006 | 11 | 15 |
| 2007 | 10 | 14 |
| 2008 | 10 | 15 |
| 2009 | 9 | 13 |
| 2010 | 10 | 17 |
| 2011 | 8 | 29 |
| 2012 | 17 | 15 |
| 2013 | 24 | 20 |
| 2014 | 24 | 20 |
| 2015 | 20 | 23 |
| 2016 | 17 | 25 |
| 2017 | 26 | 35 |
| 2018 | 19 | 30 |
| 2019 | 26 | 20 |
| 2020 | 29 | 21 |
| 2021 | 19 | 27 |
| 2022 | 11 | 14 |
| 2023 | 7 | 10 |
| 2024 | 14 | 15 |
| 2025 | 11 | 15 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Particle beam therapy device23 Jun 2026US 12,661,530 B2Sumitomo Heavy Industries, Ltd.
- Vapor cell and vapor cell temperature control system3 Mar 2026US 12,566,224 B2Korea Research Institute of Standards and Science
- Electromagnetic field control member3 Feb 2026US 12,542,221 B2KYOCERA Corporation
- Methods and apparatus for controlling electron density distributions6 Jan 2026US 12,520,412 B2ASML Netherlands B. V.
- Compact 2D scanner magnet with double-helix coils30 Dec 2025US 12,512,292 B2Uchicago Argonne, LLC
- Alignment device, system, and method for aligning a beam propagation direction3 Sep 2026US 2026/0260773 A1
- Apparatus and method for treating radioactive emission6 Aug 2026US 2026/0229380 A1Pasmr Technology A Pty Ltd
- Transport system for a very high energy electron (vhee) beam30 Jul 2026US 2026/0216535 A1Yeda Research and Development Co. Ltd.
- Electron-optical element4 Jun 2026US 2026/0155274 A1ASML Netherlands B. V.
- Ion trap device having a switching device4 Jun 2026US 2026/0155275 A1Infineon Technologies Austria AG
Most cited
By later US patents
- Raster scan control system for a charged-particle beam216US 5,017,789 ALoma Linda University Medical Center · 1991
- Particle therapy system210US 6,774,383 B2Hitachi, Ltd. · 2004
- Particle beam irradiation apparatus, treatment planning unit, and particle beam irradiation method199US 7,102,144 B2Hitachi, Ltd. · 2006
- Particle therapy system176US 7,060,997 B2Hitachi, Ltd. · 2006
- Particle therapy system175US 6,936,832 B2Hitachi, Ltd. · 2005