G01T 7/04
By filtration
Official title: by filtration
G01T7/04 (By filtration) appears on 60 US grants and 14 published applications in this corpus.
Search patents in G01T- Granted patents
- 60
- Published applications
- 14
- Assignees
- 42
- Inventors
- 134
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 2 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable system comprising a primary gas flowpath, a cartridge dock including a filter cartridge, and a gamma detector apparatus for monitoring airborne radionuclides6 Oct 2026US 12,754,330 B2Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- Method for calculating the absolute detection efficiency of the LaBr3(Ce) scintillation detector with respect to a large-sized glass fibre installed in a high volume airborne sampling system10 Mar 2026US 12,571,925 B2
- Background Rn-rejected actinide in air spectroscopy26 Aug 2025US 12,398,445 B2Purdue Research Foundation
- Photon flux modulation to improve dynamic range in photon counting detectors1 Jul 2025US 12,345,841 B2Hologic, Inc.
- Radon measuring apparatus and method8 Aug 2023US 11,719,833 B2Arim Science Co.
- Photon flux modulation to improve dynamic range in photon counting detectors11 Dec 2025US 2025/0377468 A1Hologic, Inc.
- Compact radiation detection apparatus1 May 2025US 2025/0138207 A1Fnc Technology Co., Ltd.
- Method and system for dose quantification2 Jan 2025US 2025/0004144 A1Australian Nuclear Science and Technology Organisation
- Method for calculating the absolute detection efficiency of the labr3(ce) scintillation detector with respect to a large-sized glass fibre installed in a high volume airborne sampling system7 Nov 2024US 2024/0369721 A1Ispettorato Nazionale Per La Sicurezza Nucleare E La Radioprotezione
- Portable system for monitoring airborne radionuclides17 Oct 2024US 2024/0345271 A1Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
Most cited
By later US patents
- Sample containment card for air or station contamination monitoring system and process52US 5,635,403 ANuclear Fuel Services, Inc. · 1997
- Air quality monitoring system and process21US 5,468,968 ANuclear Fuel Services, Inc. · 1995
- Radon daughter dosimeter19US 4,055,762 AThe United States of America as represented by the Secretary of the Interior · 1977
- Apparatus having reduced background for measuring radiation activity in aerosol particles19US 5,128,539 AThe United States of America as represented by the United States Department of Energy · 1992
- Continuous air monitoring system18US 5,235,190 AGemini Research, Inc. · 1993