H01J 2229/94
Means for obtaining or maintaining the desired pressure within the tube
H01J2229/94 (Means for obtaining or maintaining the desired pressure within the tube) appears on 5 US grants and 5 published applications in this corpus.
Search patents in H01J- Granted patents
- 5
- Published applications
- 5
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 4 Dec 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year.
Recent patents
- X-ray tube including hybrid electron emission source4 Dec 2018US 10,147,581 B2Electronics and Telecommunications Research Institute
- Getter material15 Sep 2009US 7,589,465 B2OSRAM Opto Semiconductors GmbH
- Color selection apparatus for cathode ray tube2 Dec 2003US 6,657,371 B2Samsung SDI.Co., Ltd.
- Electron gun with improved cathode venting9 Apr 2002US 6,369,499 B1Intel Corporation
- Frame for use in color selection mechanism of cathode ray tube, color selection mechanism of cathode ray tube, cathode ray tube, and method of manufacturing frame for use in color selection mechanism of cathode ray tube15 Jan 2002US 6,339,283 B1
- Electron beam welding systems employing a plasma cathode9 May 2024US 2024/0153739 A1US Electron, Inc.
- Electron beam welding systems employing a plasma cathode1 Dec 2022US 2022/0384138 A1
- X-ray tube including hybrid electron emission source27 Jul 2017US 2017/0213685 A1Electronics and Telecommunications Research Institute
- Novel getter material16 Feb 2006US 2006/0033433 A1Osram Opto Semiconductors GmbH & Co. OHG
- Color selection apparatus for cathode ray tube2 May 2002US 2002/0050778 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Getter material8US 7,589,465 B2OSRAM Opto Semiconductors GmbH · 2009
- Frame for use in color selection mechanism of cathode ray tube, color selection mechanism of cathode ray tube, cathode ray tube, and method of manufacturing frame for use in color selection mechanism of cathode ray tube2US 6,339,283 B12002