G21K 1/00
Arrangements for handling particles or ionising radiation
Official title: Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
G21K1/00 (Arrangements for handling particles or ionising radiation) appears on 4,949 US grants and 4,474 published applications in this corpus.
Search patents in G21K- Granted patents
- 4,949
- Published applications
- 4,474
- Assignees
- 1,523
- Inventors
- 8,557
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 30 | 0 |
| 1978 | 42 | 0 |
| 1979 | 22 | 0 |
| 1980 | 38 | 0 |
| 1981 | 24 | 0 |
| 1982 | 32 | 0 |
| 1983 | 25 | 0 |
| 1984 | 36 | 0 |
| 1985 | 24 | 0 |
| 1986 | 34 | 0 |
| 1987 | 51 | 0 |
| 1988 | 52 | 0 |
| 1989 | 58 | 0 |
| 1990 | 58 | 0 |
| 1991 | 67 | 0 |
| 1992 | 57 | 0 |
| 1993 | 69 | 0 |
| 1994 | 59 | 0 |
| 1995 | 48 | 0 |
| 1996 | 55 | 0 |
| 1997 | 54 | 0 |
| 1998 | 73 | 0 |
| 1999 | 55 | 0 |
| 2000 | 74 | 0 |
| 2001 | 90 | 32 |
| 2002 | 108 | 111 |
| 2003 | 98 | 142 |
| 2004 | 111 | 167 |
| 2005 | 107 | 147 |
| 2006 | 124 | 147 |
| 2007 | 116 | 150 |
| 2008 | 132 | 145 |
| 2009 | 120 | 132 |
| 2010 | 124 | 172 |
| 2011 | 89 | 191 |
| 2012 | 135 | 191 |
| 2013 | 144 | 238 |
| 2014 | 163 | 207 |
| 2015 | 221 | 244 |
| 2016 | 195 | 220 |
| 2017 | 204 | 225 |
| 2018 | 189 | 214 |
| 2019 | 220 | 169 |
| 2020 | 216 | 208 |
| 2021 | 162 | 201 |
| 2022 | 179 | 191 |
| 2023 | 144 | 206 |
| 2024 | 166 | 172 |
| 2025 | 144 | 143 |
| 2026 | 71 | 109 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G21K 1/02Arrangements for handling particles or ionising radiation: using diaphragms, collimators2,051
- G21K 1/06Arrangements for handling particles or ionising radiation: using diffraction, refraction or reflection1,479
- G21K 1/10Scattering devices742
- G21K 1/08Deviation, concentration or focusing of the beam by electric or magnetic means510
- G21K 1/30Arrangements for handling particles or ionising radiation: for confining neutral particles or179
- G21K 1/20Arrangements for handling particles or ionising radiation: for confining charged particles or96
- G21K 1/14Arrangements for handling particles or ionising radiation: using charge exchange devices81
- G21K 1/16Arrangements for handling particles or ionising radiation: using polarising devices37
Recent patents
- Systems and methods for driving leaves in a multi-leaf collimator6 Oct 2026US 12,755,858 B2Shanghai United Imaging Healthcare Co., Ltd.
- Extreme ultraviolet light source device6 Oct 2026US 12,757,312 B2Samsung Electronics Co., Ltd.
- Imaging system collimator for high energy and low energy isotopes29 Sep 2026US 12,749,590 B2GE Precision Healthcare LLC
- Blocker rotary-switching device, control method thereof, and accelerator29 Sep 2026US 12,750,940 B2Nuctech Company Limited
- Enclosed x-ray chopper wheel8 Sep 2026US 12,730,081 B2Videray Technologies, Inc.
- Confinement assembly ground plane for radio frequency (rf) field control8 Oct 2026US 2026/0311907 A1Quantinuum LLC
- Method for manufacturing an electrode structure for an ion trap and method for manufacturing an electrode arrangement for a 3-dimensional ion trap8 Oct 2026US 2026/0314275 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Composite optical bench1 Oct 2026US 2026/0301987 A1Quantinuum LLC
- Systems and methods for assembling electron spin and charge to possess properties of a magnetic monopole1 Oct 2026US 2026/0301988 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Beam-modifying devices for ultra-high dose rate radiation therapy1 Oct 2026US 2026/0304590 A1Ohio State Innovation Foundation
Most cited
By later US patents
- Integrated variable-aperture collimator and fixed-aperture collimator1,021US 8,093,572 B2Accuray Incorporated · 2012
- Electronic conical collimator verification1,019US 8,675,820 B2Varian Medical Systems, Inc. · 2014
- Apparatus and method for exposing a substrate to UV radiation using asymmetric reflectors473US 7,692,171 B22010
- Neutral particle beam processing apparatus423US 6,861,642 B2Ebara Corporation · 2005
- Ultraviolet reflector with coolant gas holes and method413US 8,338,809 B2APPLIED Materials.Inc. · 2012