G21K 1/043
Changing time structure of beams by mechanical means
Official title: {changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels}
G21K1/043 (Changing time structure of beams by mechanical means) appears on 206 US grants and 180 published applications in this corpus.
Search patents in G21K- Granted patents
- 206
- Published applications
- 180
- Assignees
- 118
- Inventors
- 364
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 4 |
| 2005 | 5 | 2 |
| 2006 | 5 | 4 |
| 2007 | 2 | 7 |
| 2008 | 3 | 3 |
| 2009 | 2 | 6 |
| 2010 | 4 | 5 |
| 2011 | 5 | 10 |
| 2012 | 9 | 7 |
| 2013 | 4 | 9 |
| 2014 | 7 | 13 |
| 2015 | 14 | 16 |
| 2016 | 6 | 7 |
| 2017 | 16 | 16 |
| 2018 | 8 | 9 |
| 2019 | 9 | 4 |
| 2020 | 14 | 7 |
| 2021 | 7 | 12 |
| 2022 | 9 | 11 |
| 2023 | 8 | 10 |
| 2024 | 9 | 9 |
| 2025 | 5 | 5 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Dynamic control of x-ray exposure using focal spot translation23 Jan 2025US 2025/0025114 A1Mayo Foundation for Medical Education and Research
Most cited
By later US patents
- High-energy X-ray inspection system218US 5,493,596 A1996
- Reduced mass flying spot scanner having arcuate scanning lines198US 5,224,144 AAmerican Science and Engineering, Inc. · 1993
- Charged particle therapy system, range modulation wheel device, and method of installing range modulation wheel device165US 7,053,389 B2Hitachi, Ltd. · 2006
- Chopper wheel with two axes of rotation163US 6,434,219 B1American Science and Engineering, Inc. · 2002
- Charged particle therapy system, range modulation wheel device, and method of installing range modulation wheel device160US 7,355,189 B2Hitachi, Ltd. · 2008