H01J 47/028
Using a liquid dielectric
Official title: {using a liquid dielectric}
H01J47/028 (Using a liquid dielectric) appears on 7 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 7
- Published applications
- 0
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 20 May 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid ion chamber electrode apparatus20 May 1997US 5,631,470 AVarian Associates, Inc.
- Three terminal ion chambers14 Jan 1997US 5,594,252 AVarian Associates, Inc.
- Radiation teletherapy imaging system having plural ionization chambers18 Jun 1991US 5,025,376 AUniversity of Florida
- Scanning-liquid ionization chamber imager/dosimeter for megavoltage photons28 May 1991US 5,019,711 AThe Regents of the University of Michigan
- Image-detector for high energy photon beams7 Mar 1989US 4,810,893 AVereniging Het Nederlands Kankerinstituut
No published applications in this class yet.
Most cited
By later US patents
- Radiation teletherapy imaging system having plural ionization chambers11US 5,025,376 AUniversity of Florida · 1991
- Image-detector for high energy photon beams7US 4,810,893 AVereniging Het Nederlands Kankerinstituut · 1989
- Scanning-liquid ionization chamber imager/dosimeter for megavoltage photons5US 5,019,711 AThe Regents of the University of Michigan · 1991
- Three terminal ion chambers5US 5,594,252 AVarian Associates, Inc. · 1997
- High efficiency detector for energetic x-rays3US 4,719,354 AGeneral Electric Company · 1988