E21B 25/005
Above ground means for handling the core
Official title: {Above ground means for handling the core, e.g. for extracting the core from the core barrel}
E21B25/005 (Above ground means for handling the core) appears on 119 US grants and 88 published applications in this corpus.
Search patents in E21B- Granted patents
- 119
- Published applications
- 88
- Assignees
- 78
- Inventors
- 266
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
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| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 5 |
| 2015 | 4 | 8 |
| 2016 | 1 | 2 |
| 2017 | 6 | 7 |
| 2018 | 6 | 6 |
| 2019 | 4 | 8 |
| 2020 | 5 | 6 |
| 2021 | 7 | 6 |
| 2022 | 4 | 6 |
| 2023 | 6 | 8 |
| 2024 | 7 | 3 |
| 2025 | 5 | 4 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices for marking a core sample25 Aug 2026US 12,716,309 B2Imdex Technologies Pty Ltd
- Geological sample holder14 Apr 2026US 12,601,663 B2PlotLogic Pty Ltd
- Method and system for measuring volume of a drill core sample17 Mar 2026US 12,577,842 B2Minalyze AB
- Core sample handling device24 Feb 2026US 12,560,038 B2Coremax Limited
- Device for characterizing and testing on-site basic parameter of natural gas hydrate17 Feb 2026US 12,553,339 B2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
- Method And System For Analyzing The Elemental Content Of Drill Cores27 Aug 2026US 2026/0251577 A1Lumo Analytics Ltd
- Core tube handling system with kickout tray23 Jul 2026US 2026/0210197 A1Boart Longyear Manufacturing And Distribution Inc.
- Method and device for making a hole in a golf green23 Apr 2026US 2026/0110219 A1KSAB Utemiljö AB
- Apparatus and a method of drilling holes2 Apr 2026US 2026/0092502 A1Golf & Machines Aps
- Highly mobile, cost-efficient, integrated, low environmental disturbance equipment system and method for surface mineral exploration diamond core drilling12 Mar 2026US 2026/0071497 A1Earth Ai Inc.
Most cited
By later US patents
- Apparatus and method for obtaining a core at in situ pressure42US 4,317,490 AThe Texas A&M University System · 1982
- Soil sampling kit and a method of sampling therewith42US 4,989,678 AMartin Marietta Energy Systems, Inc. · 1991
- Soil coring device with a core ejector mechanism40US 4,884,638 A1989
- Soil sampler40US 5,435,399 AConcord, Inc. · 1995
- Apparatus for recovering core samples under pressure37US 6,216,804 B12001