G01N 2021/5919
Determining total density of a zone
Official title: {Determining total density of a zone}
G01N2021/5919 (Determining total density of a zone) appears on 15 US grants and 10 published applications in this corpus.
Search patents in G01N- Granted patents
- 15
- Published applications
- 10
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Determining reservoir fluid properties from downhole fluid analysis data using machine learning19 Aug 2025US 12,392,241 B2Schlumberger Technology Corporation
- Emissive element harvest12 Mar 2024US 11,929,356 B2eLux, Inc.
- System for the characterization of emissive elements26 Dec 2023US 11,855,051 B2eLux, Inc.
- System and method for the characterization and dispersal of emissive elements26 Apr 2022US 11,315,910 B2eLux, Inc.
- System and method for the selective harvest of emissive elements5 Apr 2022US 11,296,059 B2eLux, Inc.
- Emissive Element Harvest19 May 2022US 2022/0157790 A1eLux, Inc.
- System for the Characterization of Emissive Elements19 May 2022US 2022/0157791 A1eLux, Inc.
- Determining reservoir fluid properties from downhole fluid analysis data using machine learning10 Mar 2022US 2022/0074303 A1Schlumberger Technology Corporation
- System and Method for the Characterization and Dispersal of Emissive Elements10 Sep 2020US 2020/0286870 A1eLux, Inc.
- System and Method for the Selective Harvest of Emissive Elements3 Sep 2020US 2020/0279835 A1eLux, Inc.
Most cited
By later US patents
- Video densitometer with determination of color composition53US 5,420,628 AResearch Development Foundation · 1995
- Optical tomography of small objects using parallel ray illumination and post-specimen optical magnification53US 6,944,322 B2Visiongate, Inc. · 2005
- Optical specimen analysis system and method40US 5,717,778 A1998
- Optical specimen analysis system and method39US 6,249,593 B1EY Laboratories, Inc. · 2001
- Reflectometry system with compensation for specimen holder topography and with lock-rejection of system noise27US 6,584,217 B1E-Y Laboratories, Inc. · 2003