G01T 7/125
Alarm- or controlling circuits using ionisation chambers, proportional counters or geiger-mueller tubes
Official title: {Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors (measuring radiation intensity with counting tubes G01T1/18; measuring radiation intensity with ionisation chambers G01T1/185; flame monitoring in combustion devices F23Q7/00, F23N; fire alarms actuated by presence of radiation of particles, e.g. of infrared radiation, of ions G08B17/11; discharge tubes per se H01J47/00)}
G01T7/125 (Alarm- or controlling circuits using ionisation chambers, proportional counters or geiger-mueller tubes) appears on 20 US grants and 15 published applications in this corpus.
Search patents in G01T- Granted patents
- 20
- Published applications
- 15
- Assignees
- 17
- Inventors
- 40
- Latest grant
- 7 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 4 | 2 |
| 2018 | 4 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Personal radiation dosimeter and density meter system and methods of use7 May 2024US 11,977,093 B2Thermo Scientific Portable Analytical Instruments Inc.
- X-ray computed tomography apparatus and imaging condition management apparatus25 Oct 2022US 11,478,203 B2Canon Medical Systems Corporation
- Electronic dosimeter for alarm generation in pulsed radiation fields28 Sep 2021US 11,131,778 B2Thermo Fisher Scientific Messtechnik GmbH
- Portable detection apparatus and method2 Jun 2020US 10,670,738 B2Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- Mobile audio mesh distribution system and method19 May 2020US 10,659,881 B2
- Personal radiation dosimeter and density meter system and methods of use11 May 2023US 2023/0142667 A1Thermo Scientific Portable Analytical Instruments Inc.
- Intelligent radiation dose monitoring9 Dec 2021US 2021/0383916 A1Cerner Innovation, Inc.
- Electronic dosimeter for alarm generation in pulsed radiation fields27 Feb 2020US 2020/0064494 A1Thermo Fisher Scientific Messtechnik GmbH
- Mobile audio mesh distribution system and method20 Feb 2020US 2020/0059725 A1
- X-ray computed tomography apparatus and imaging condition management apparatus7 Nov 2019US 2019/0336089 A1Canon Medical Systems Corporation
Most cited
By later US patents
- Radiation detector with an ionizable gas atop an integrated circuit72US 4,970,391 AMedrad, Inc. · 1990
- Radiation detector with an ionizable gas atop an integrated circuit36US 4,804,847 AMedrad, Inc. · 1989
- Personal dosimeter having a volume of gas atop an integrated circuit30US 4,769,547 AMedrad, Inc. · 1988
- Radiation-detecting devices and apparatus14US 4,029,966 ASmiths Industries Limited · 1977
- Integrated nuclear radiation detector and monitor8US 4,336,532 ARadiation Engineering Inc. · 1982