H01J 2229/885
Having particular electrical insulation properties
Official title: having particular electrical insulation properties
H01J2229/885 (Having particular electrical insulation properties) appears on 6 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 6
- Published applications
- 0
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 15 Apr 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cathode ray tube and method of manufacturing a cathode ray tube15 Apr 1997US 5,621,273 AU. S. Philips Corporation
- Improved cathode ray tube of an image intensifier type in which internal protective films are degraded organic materials5 Nov 1996US 5,572,087 AU. S. Philips Corporation
- Image intensifier tube comprising a chromium-oxide coating22 Oct 1991US 5,059,854 AU. S. Philips Corporation
- Cathode ray tube of improved breakdown voltage characteristic3 Sep 1991US 5,045,751 AAsahi Glass Company, Limited
- X-ray image intensifier with conductive-coat electrodes on insulated metal sidewalls2 Oct 1990US 4,960,987 ASiemens Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- CRT with internal neck coating for suppressing arcing therein5US 4,473,774 ARCA Corporation · 1984
- X-ray image intensifier with conductive-coat electrodes on insulated metal sidewalls5US 4,960,987 ASiemens Aktiengesellschaft · 1990
- Cathode ray tube of improved breakdown voltage characteristic5US 5,045,751 AAsahi Glass Company, Limited · 1991
- Image intensifier tube comprising a chromium-oxide coating3US 5,059,854 AU. S. Philips Corporation · 1991
- Improved cathode ray tube of an image intensifier type in which internal protective films are degraded organic materials2US 5,572,087 AU. S. Philips Corporation · 1996