H01J 23/12
Vessels
Official title: Vessels; Containers
H01J23/12 (Vessels) appears on 55 US grants and 49 published applications in this corpus.
Search patents in H01J- Granted patents
- 55
- Published applications
- 49
- Assignees
- 46
- Inventors
- 125
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 2 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 2 | 2 |
| 2014 | 0 | 4 |
| 2015 | 3 | 3 |
| 2016 | 4 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Klystrons and medical electron linear accelerators8 Sep 2026US 12,731,751 B2Shanghai United Imaging Healthcare Co., Ltd.
- Klystron device30 Sep 2025US 12,431,316 B2Canon Electron Tubes & Devices Co., Ltd.
- N-way coaxial signal injector with axial feeds22 Apr 2025US 12,283,738 B2Raytheon Company
- Lightweight, thermally stable disk for a coaxial travelling wave tube (CoTWT)15 Apr 2025US 12,278,079 B1Raytheon Company
- Ridged N-way coaxial vacuum power combiner signal injector with radial feeds usable in a coaxial vacuum-electron device8 Apr 2025US 12,272,858 B2Raytheon Company
- Electron tube6 Aug 2026US 2026/0229442 A1Nisshinbo Micro Devices Inc.
- Insulative assemblies, microwave vacuum tube assemblies and radiotherapy machines including the same23 Apr 2026US 2026/0108764 A1Varian Medical Systems, Inc.
- Magnetron and Microwave Heating Device10 Jul 2025US 2025/0227822 A1Guangdong Witol Vacuum Electronic Manufacture Co., Ltd.
- Magnetron and Microwave Heating Device10 Jul 2025US 2025/0227823 A1Guangdong Witol Vacuum Electronic Manufacture Co., Ltd.
- Klystrons and medical electron linear accelerators10 Oct 2024US 2024/0339281 A1Shanghai United Imaging Healthcare Co., Ltd.
Most cited
By later US patents
- Arrangement having a traveling-wave tube and a current supply unit36US 4,045,706 ASiemens Aktiengesellschaft · 1977
- Traveling-wave tube utilizing vacuum housing as an rf circuit12US 4,347,419 AThe United States of America as represented by the Secretary of the Army · 1982
- High frequency vacuum tube with closely spaced cathode and non-emissive grid9US 5,572,092 ACommunications & Power Industries, Inc. · 1996
- High frequency vacuum tube with closely spaced cathode and non-emissive grid8US 5,767,625 ACommunications & Power Industries, Inc. · 1998
- Isopolar magnetron supported with rigid insulation in a remote housing6US 4,104,559 AMicrowave Associates, Inc. · 1978