G01D 5/50
Derived from a radioactive source
Official title: derived from a radioactive source
G01D5/50 (Derived from a radioactive source) appears on 7 US grants and 3 published applications in this corpus.
Search patents in G01D- Granted patents
- 7
- Published applications
- 3
- Assignees
- 8
- Inventors
- 12
- Latest grant
- 1 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Downhole valve position monitor1 Feb 2022US 11,236,605 B2Baker Hughes Oilfield Operations LLC
- Water meters having integrated pressure regulating systems and related methods15 Jun 2021US 11,035,713 B2Sensus Spectrum, LLC
- Differential coat weight measurement by means of nuclear or X-ray gauges12 Mar 2013US 8,394,449 B2Honeywell ASCa Inc.
- Nuclear gauge for measuring a characteristic of moving sheet material and alignment compensation17 Oct 2000US 6,133,578 AImpact Systems, Inc.
- System and process for measuring and correcting the values of a parameter of a sheet material7 Jul 1987US 4,678,915 AMeasurex Corporation
- Downhole valve position monitor15 Apr 2021US 2021/0108508 A1Baker Hughes Oilfield Operations LLC
- Water Meters Having Integrated Pressure Regulating Systems and Related Methods11 Oct 2018US 2018/0292248 A1Sensus Spectrtum, LLC
- Differential Coat Weight Measurement by Means of Nuclear or X-ray Gauges24 Jun 2010US 2010/0159121 A1Honeywell ASCa Inc.
Most cited
By later US patents
- System and process for measuring and correcting the values of a parameter of a sheet material23US 4,678,915 AMeasurex Corporation · 1987
- Bit pressure gauge for well drilling8US 4,296,321 ATyco Laboratories, Inc. · 1981
- Radioactive height sensor for automatic level control5US 4,236,074 AGeneral Motors Corporation · 1980
- Differential coat weight measurement by means of nuclear or X-ray gauges5US 8,394,449 B2Honeywell ASCa Inc. · 2013
- Nuclear gauge for measuring a characteristic of moving sheet material and alignment compensation3US 6,133,578 AImpact Systems, Inc. · 2000