H01J 17/20
Selection of substances for gas fillings
Official title: Selection of substances for gas fillings; Specified operating pressures or temperatures
H01J17/20 (Selection of substances for gas fillings) appears on 38 US grants and 13 published applications in this corpus.
Search patents in H01J- Granted patents
- 38
- Published applications
- 13
- Assignees
- 30
- Inventors
- 77
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Switch device7 Jan 2025US 12,191,105 B2Kabushiki Kaisha Toshiba
- Microscale gas breakdown device and process28 Jun 2022US 11,371,960 B2Board of Trustees of Michigan State University
- Vehicle rim plasma display assembly, apparatus and insert4 Aug 2020US 10,730,343 B2
- Low sputtering, cross-field, gas switch and method of operation3 Sep 2019US 10,403,466 B1General Electric Company
- Microplasma generation devices and associated systems and methods1 May 2018US 9,960,005 B2Massachusetts Institute of Technology
- Switch device26 May 2022US 2022/0165532 A1Kabushiki Kaisha Toshiba
- Microscale Gas Breakdown Device And Process30 Jan 2020US 2020/0033293 A1Board of Trustees of Michigan State University
- Low sputtering, cross-field, gas switch and method of operation26 Sep 2019US 2019/0295801 A1General Electric Company
- Vehicle rim plasma display assembly, apparatus and insert7 Jun 2018US 2018/0154685 A1
- Microplasma generation devices and associated systems and methods30 Jul 2015US 2015/0213991 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Light emitter for giving plasma light emission50US 5,326,298 AMinolta Camera Kabushiki Kaisha · 1994
- DC type gas-discharge display panel and gas-discharge display apparatus with employment of the same29US 5,510,678 ANippon Hoso Kyokai · 1996
- Gas discharge flat-panel display and method for making the same24US 5,777,436 ASpectron Corporation of America, L.L.C. · 1998
- Optical display with excimer fluorescence16US 4,549,109 AUnited Technologies Corporation · 1985
- Gaseous discharge light emitting element13US 4,085,351 ADai Nippon Toryo Co., Ltd. · 1978