F41H 11/20
With ground-penetrating elements
Official title: with ground-penetrating elements, e.g. with means for removing buried landmines from the soil (F41H11/18 takes precedence)
F41H11/20 (With ground-penetrating elements) appears on 57 US grants and 32 published applications in this corpus.
Search patents in F41H- Granted patents
- 57
- Published applications
- 32
- Assignees
- 28
- Inventors
- 110
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 3 | 4 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mine clearance18 Feb 2025US 12,228,380 B2Pearson Engineering Limited
- Landmine excabator and neutralizer and related methods14 Dec 2021US 11,199,381 B2Demine Robotics Inc.
- Demountable vehicle implement18 Sep 2018US 10,077,542 B2Pearson Engineering Limited
- Wire neutralization system31 Jan 2017US 9,557,146 B2Michigan Technological University
- Sensor system for explosive detection and removal8 Nov 2016US 9,488,450 B2
- Mine Clearing Apparatus18 Sep 2025US 2025/0290729 A1Advanced Blast & Ballistic Systems Limited
- Improvements in or relating to mine clearance16 Nov 2023US 2023/0366659 A1Pearson Engineering Limited
- Landmine excabator and neutralizer and related methods26 Mar 2020US 2020/0096295 A1Demine Robotics Inc.
- Mountable vehicle implement7 Nov 2019US 2019/0339045 A1Pearson Engineering Limited
- Blast Repairable Plough22 Mar 2018US 2018/0080745 A1Pearson Engineering Limited
Most cited
By later US patents
- Minefield clearing apparatus32US 5,189,243 A1993
- Combined tooth retractor and blade latching mechanism31US 4,967,850 ACaterpillar Inc. · 1990
- Vehicle with detachable implement24US 4,509,768 AKarl Kassbohrer Fahrezeugwerke GmbH · 1985
- System and method for neutralization of mines using robotics and penetrating rods24US 6,802,237 B1The United States of America as represented by the Secretary of the Navy · 2004
- Minefield clearing apparatus21US 4,552,053 AIsrael Aircraft Industries Ltd. · 1985