H01J 2235/1262
Circulating fluids
H01J2235/1262 (Circulating fluids) appears on 245 US grants and 189 published applications in this corpus.
Search patents in H01J- Granted patents
- 245
- Published applications
- 189
- Assignees
- 116
- Inventors
- 478
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 16 | 6 |
| 2003 | 10 | 2 |
| 2004 | 3 | 5 |
| 2005 | 1 | 4 |
| 2006 | 8 | 9 |
| 2007 | 6 | 12 |
| 2008 | 13 | 6 |
| 2009 | 5 | 8 |
| 2010 | 8 | 10 |
| 2011 | 6 | 3 |
| 2012 | 4 | 7 |
| 2013 | 1 | 6 |
| 2014 | 3 | 7 |
| 2015 | 7 | 11 |
| 2016 | 11 | 8 |
| 2017 | 4 | 5 |
| 2018 | 12 | 10 |
| 2019 | 7 | 10 |
| 2020 | 13 | 6 |
| 2021 | 11 | 23 |
| 2022 | 9 | 8 |
| 2023 | 14 | 7 |
| 2024 | 4 | 8 |
| 2025 | 7 | 2 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- X-ray tube device and x-ray CT apparatus22 Sep 2026US 12,745,339 B2FUJIFILM Healthcare Corporation
- Forced oil circulation in X-ray tube without external hoses1 Sep 2026US 12,725,753 B2GE Precision Healthcare LLC
- X-ray tube with a cooled gate electrode26 May 2026US 12,640,327 B2Siemens Healthineers AG
- Electric motor for dual ended x-ray tube14 Apr 2026US 12,603,244 B2Varex Imaging Corporation
- X-ray generating apparatus and imaging device7 Apr 2026US 12,597,580 B2Siemens Healthineers AG
- Improvements in and relating to x-ray sources8 Oct 2026US 2026/0311952 A1Kratos Analytical Limited
- Improved cooling x-ray tube anode head4 Jun 2026US 2026/0155327 A1incoatec GmbH
- Cooled anodes, x-ray tubes, and methods of forming the same7 May 2026US 2026/0128250 A1Varex Imaging Corporation
- Rotating anode disk assemblies9 Apr 2026US 2026/0100323 A1IXRF, Inc.
- X-ray tube with a cooled gate electrode1 Jan 2026US 2026/0004988 A1Siemens Healthineers AG
Most cited
By later US patents
- X-ray generator150US 6,282,263 B1Bede Scientific Instruments Limited · 2001
- Target for production of x-rays72US 6,463,123 B1STERIS Inc. · 2002
- Rotating anode x-ray source and cooling technique therefor71US 4,165,472 ARockwell International Corporation · 1979
- X-ray sources63US 8,094,784 B2Rapiscan Systems, Inc. · 2012
- X-ray tube having rotary anode cooled with high thermal conductivity fluid62US 5,541,975 A1996