H01J 2235/167
Against thermal energy
Official title: against thermal (heat) energy
H01J2235/167 (Against thermal energy) appears on 31 US grants and 25 published applications in this corpus.
Search patents in H01J- Granted patents
- 31
- Published applications
- 25
- Assignees
- 22
- Inventors
- 78
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 3 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- X-ray cathode shield7 Oct 2025US 12,437,957 B2GE Precision Healthcare LLC
- Systems and methods for controlling thermal conduction in X-ray tube cathodes29 Apr 2025US 12,285,906 B2GE Precision Healthcare LLC
- X-ray generating apparatus and X-ray imaging apparatus7 Jan 2025US 12,193,134 B2Canon Anelva Corporation
- Fluid cooled reflective x-ray source26 Sep 2023US 11,769,647 B2Carl Zeiss X-ray Microscopy, Inc.
- X-ray tube4 Apr 2023US 11,621,139 B2Electronics and Telecommunications Research Institute
- X-ray cathode shield8 Jan 2026US 2026/0011523 A1GE Precision Healthcare LLC
- X-ray source13 Nov 2025US 2025/0349487 A1VATECH Co., Ltd.
- X-ray generating apparatus and x-ray imaging apparatus14 Nov 2024US 2024/0381514 A1Canon Anelva Corporation
- X-ray cathode shield10 Oct 2024US 2024/0339285 A1GE Precision Healthcare LLC
- Fluid cooled reflective x-ray source4 May 2023US 2023/0135447 A1Carl Zeiss X-ray Microscopy, Inc.
Most cited
By later US patents
- X-ray tube23US 4,097,759 APicker Corporation · 1978
- Removable aperture cooling structure for an X-ray tube23US 7,486,774 B2Varian Medical Systems, Inc. · 2009
- X-ray tube with cooled shield between target and rotor20US 4,281,268 ATokyo Shibaura Denki Kabushiki Kaisha · 1981
- Target integral heat shield for x-ray tubes19US 6,125,169 APicker International, Inc. · 2000
- X-ray tube target assembly with integral heat shields17US 6,002,745 AVarian Medical Systems, Inc. · 1999