H01J 9/00
Apparatus or processes specially adapted for the manufacture , installation, removal, maintenance
Official title: Apparatus or processes specially adapted for the manufacture {, installation, removal, maintenance} of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/00 (Apparatus or processes specially adapted for the manufacture , installation, removal, maintenance) appears on 8,029 US grants and 5,078 published applications in this corpus.
Search patents in H01J- Granted patents
- 8,029
- Published applications
- 5,078
- Assignees
- 1,576
- Inventors
- 12,043
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 144 | 0 |
| 1977 | 127 | 0 |
| 1978 | 118 | 0 |
| 1979 | 75 | 0 |
| 1980 | 86 | 0 |
| 1981 | 93 | 0 |
| 1982 | 83 | 0 |
| 1983 | 89 | 0 |
| 1984 | 79 | 0 |
| 1985 | 92 | 0 |
| 1986 | 93 | 0 |
| 1987 | 115 | 0 |
| 1988 | 96 | 0 |
| 1989 | 128 | 0 |
| 1990 | 122 | 0 |
| 1991 | 120 | 0 |
| 1992 | 145 | 0 |
| 1993 | 122 | 0 |
| 1994 | 139 | 0 |
| 1995 | 147 | 0 |
| 1996 | 187 | 0 |
| 1997 | 234 | 0 |
| 1998 | 315 | 0 |
| 1999 | 324 | 0 |
| 2000 | 356 | 0 |
| 2001 | 308 | 136 |
| 2002 | 318 | 383 |
| 2003 | 361 | 408 |
| 2004 | 378 | 465 |
| 2005 | 300 | 464 |
| 2006 | 323 | 532 |
| 2007 | 226 | 473 |
| 2008 | 222 | 351 |
| 2009 | 209 | 295 |
| 2010 | 251 | 260 |
| 2011 | 244 | 186 |
| 2012 | 190 | 158 |
| 2013 | 159 | 135 |
| 2014 | 122 | 123 |
| 2015 | 131 | 101 |
| 2016 | 84 | 89 |
| 2017 | 91 | 65 |
| 2018 | 85 | 68 |
| 2019 | 68 | 75 |
| 2020 | 79 | 61 |
| 2021 | 61 | 47 |
| 2022 | 41 | 43 |
| 2023 | 39 | 47 |
| 2024 | 41 | 51 |
| 2025 | 50 | 30 |
| 2026 | 19 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01J 9/02Manufacture of electrodes or electrode systems4,066
- H01J 9/24Manufacture or joining of vessels, leading-in conductors or bases2,101
- H01J 9/20Manufacture of screens on or from which an image or pattern is1,196
- H01J 9/38Exhausting, degassing, filling, or cleaning vessels496
- H01J 9/42Measurement or testing during manufacture174
- H01J 9/44Factory adjustment of completed discharge tubes or lamps to comply with desired165
- H01J 9/40Closing vessels142
- H01J 9/46Machines having sequentially arranged operating stations99
All 12 subgroupsShow fewer
Recent patents
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- Implantable medical device selective encapsulation1 Sep 2026US 12,725,751 B2Cardiac Pacemakers, Inc.
- Drift tube with true hermetic seal30 Jun 2026US 12,671,067 B2Optical Systems, Inc.
- Surface mount electrical devices and methods23 Jun 2026US 12,665,155 B2Bourns, Inc.
- Methods for cleaning an ion transport system8 Oct 2026US 2026/0311949 A1Thermo Finnigan LLC
- X-ray devices with nanotube emitters and methods of forming8 Oct 2026US 2026/0311951 A1Varex Imaging Corporation
- Preparation method of tungsten-rhenium-based diffusion-type thermionic cathode material containing low melting point barium calcium aluminate salt24 Sep 2026US 2026/0290736 A1Beijing University of Technology
- X-ray tubes, enclosures for x-ray tubes, and methods of manufacture24 Sep 2026US 2026/0290739 A1Varex Imaging Corporation
- Multi-point gas-discharge x-ray tube for stationary computed tomography systems24 Sep 2026US 2026/0290740 A1Creighton Scientific, Inc.
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Self-oriented bundles of carbon nanotubes and method of making same326US 6,232,706 B1The Board of Trustees of the Leland Stanford Junior University · 2001
- Vertical microelectronic field emission devices312US 5,475,280 AMcnc · 1995
- Full color surface discharge type plasma display device307US 5,661,500 AFujitsu Limited · 1997
- Microelectronic and microelectromechanical devices comprising carbon nanotube components, and methods of making same295US 6,445,006 B1Advanced Technology Materials, Inc. · 2002