H01J 2209/38
Control of maintenance of pressure in the vessel
H01J2209/38 (Control of maintenance of pressure in the vessel) appears on 85 US grants and 27 published applications in this corpus.
Search patents in H01J- Granted patents
- 85
- Published applications
- 27
- Assignees
- 35
- Inventors
- 168
- Latest grant
- 4 Dec 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 2 |
| 2003 | 5 | 4 |
| 2004 | 3 | 2 |
| 2005 | 5 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 3 | 1 |
| 2009 | 3 | 4 |
| 2010 | 1 | 1 |
| 2011 | 3 | 1 |
| 2012 | 1 | 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 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- X-ray tube including hybrid electron emission source4 Dec 2018US 10,147,581 B2Electronics and Telecommunications Research Institute
- Multi plasma display panel17 Jul 2012US 8,222,816 B2LG Electronics Inc.
- Process for manufacturing devices carrying at least one active material by deposition of a low-melting alloy6 Dec 2011US 8,071,172 B2Saes Getters S. P. A.
- Manufacturing method of vacuum airtight container23 Aug 2011US 8,002,602 B2Canon Kabushiki Kaisha
- Airtight container manufacturing method involves irradiating an electron beam to a non-evaporable type getter so as not to activate it before a sealing process14 Jun 2011US 7,959,483 B2Canon Kabushiki Kaisha
- System and method for creating a vacuum in an x-ray tube4 Apr 2024US 2024/0112876 A1GE Precision Healthcare LLC
- X-ray tube including hybrid electron emission source27 Jul 2017US 2017/0213685 A1Electronics and Telecommunications Research Institute
- Multi plasma display panel19 May 2011US 2011/0115357 A1LG Electronics Inc.
- Processing Apparatus and Method of Manufacturing Electron Emission Element and Organic EL Display28 Oct 2010US 2010/0273387 A1Canon Anelva Corporation
- Manufacturing methods of airtight container and image display apparatus26 Nov 2009US 2009/0291611 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Image display device with cathode panel and gas absorbing getters63US 5,223,766 ASony Corporation · 1993
- Panel display with dielectric spacer structure59US 5,619,097 AFED Corporation · 1997
- Field emitter structure providing passageways for venting of outgassed materials from active electronic area57US 5,063,323 AHughes Aircraft Company · 1991
- Compact, body-mountable field emission display device, and display panel having utility for use therewith57US 5,903,243 AFED Corporation · 1999
- Field emitter structure and method of making the same54US 5,587,623 AFED Corporation · 1996