G01T 1/178
For measuring specific activity in the presence of other radioactive substances
Official title: for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain water
G01T1/178 (For measuring specific activity in the presence of other radioactive substances) appears on 209 US grants and 128 published applications in this corpus.
Search patents in G01T- Granted patents
- 209
- Published applications
- 128
- Assignees
- 149
- Inventors
- 468
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 15 | 0 |
| 1990 | 14 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 8 | 0 |
| 2002 | 2 | 5 |
| 2003 | 2 | 5 |
| 2004 | 8 | 5 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 6 |
| 2010 | 3 | 6 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 3 | 7 |
| 2014 | 4 | 3 |
| 2015 | 4 | 8 |
| 2016 | 8 | 7 |
| 2017 | 3 | 5 |
| 2018 | 9 | 10 |
| 2019 | 4 | 5 |
| 2020 | 5 | 4 |
| 2021 | 5 | 10 |
| 2022 | 5 | 9 |
| 2023 | 8 | 7 |
| 2024 | 9 | 10 |
| 2025 | 7 | 5 |
| 2026 | 9 | 2 |
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
- Systems and methods for environmental sensing using docked detector-hub interfaces15 Sep 2026US 12,736,689 B1SunRADON, LLC
- Systems and methods for environmental sensing using docked detector-hub interfaces9 Jun 2026US 12,650,525 B1SunRADON, LLC
- Sensor26 May 2026US 12,638,600 B2Airthings ASA
- In-situ beta-particle detector for high resolution 234th export measurements12 May 2026US 12,625,282 B2University of South Carolina
- Quantifying airborne radon decay products and other radionuclides13 Aug 2026US 2026/0235777 A1The Center for Applied Radon Research LLC
- Aquatic Radionuclide Monitoring System21 May 2026US 2026/0140025 A1Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- Determination of actinium-225 in urine4 Dec 2025US 2025/0370146 A1Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- Radionuclide impurity fraction algorithm and methods of implementation25 Sep 2025US 2025/0299784 A1Mirion Technologies Inc.
- Apparatus and method for measuring radon5 Jun 2025US 2025/0180763 A1Jacobsen Scientific ApS
Most cited
By later US patents
- Dual scintillation detector for determining grade of uranium ore43US 4,267,446 AGeoco, Inc. · 1981
- Real-time remotely programmable radioactive gas detecting and measuring system40US 6,768,116 B1Remote Data Technologies, LLC · 2004
- Radon detection system37US 4,920,263 AGemini Research, Inc. · 1990
- Radon gas measurement apparatus having alpha particle-detecting photovoltaic photodiode surrounded by porous pressed metal daughter filter electrically charged as PO-218 ion accelerator32US 5,489,780 A1996
- Electronic alpha particle counter25US 4,104,523 AMartin Marietta Corporation · 1978