F41H 11/136
Magnetic, electromagnetic, acoustic or radiation systems
Official title: Magnetic, electromagnetic, acoustic or radiation systems, e.g. ground penetrating radars or metal-detectors
F41H11/136 (Magnetic, electromagnetic, acoustic or radiation systems) appears on 85 US grants and 81 published applications in this corpus.
Search patents in F41H- Granted patents
- 85
- Published applications
- 81
- Assignees
- 63
- Inventors
- 194
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 3 | 4 |
| 2008 | 4 | 3 |
| 2009 | 4 | 3 |
| 2010 | 2 | 4 |
| 2011 | 8 | 9 |
| 2012 | 3 | 3 |
| 2013 | 5 | 4 |
| 2014 | 5 | 7 |
| 2015 | 5 | 4 |
| 2016 | 6 | 6 |
| 2017 | 6 | 3 |
| 2018 | 5 | 5 |
| 2019 | 3 | 4 |
| 2020 | 1 | 3 |
| 2021 | 5 | 3 |
| 2022 | 3 | 4 |
| 2023 | 4 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle mounted metal and mine detector14 Oct 2025US 12,442,947 B2Tubitak
- Landmine, UEO or IED detection and destruction system23 Apr 2024US 11,965,716 B2JJ1 Holdings Pty Ltd
- Method for discovering unexploded ordnance by detecting transient electromagnetic field in combination with magnetic field gradient3 Oct 2023US 11,774,624 B2Beijing Institute of Satellite Environmental Engineering
- Transient electromagnetic field detection apparatus having dynamic emission source in combination with static emission source and transient electromagnetic field detection method for discovering unexploded ordnance26 Sep 2023US 11,768,058 B2Beijing Institute of Satellite Environmental Engineering
- Method for determining the position of an object, device for determining the position of an object, and system19 Sep 2023US 11,762,083 B2Rheinmetall Waffe Munition GmbH
- Detection device for detecting an explosive target object in the ground18 Jun 2026US 2026/0168772 A1Global Clearance Solutions AG
- System and Method for Landmine Detection and Avoidance Using a Legged Robotic Platform12 Mar 2026US 2026/0072450 A1Ghost Robotics Corp.
- Automated utility markout robot system and method6 Jun 2024US 2024/0184306 A1Ulc Technologies, LLC
- Vehicle mounted metal and mine detector3 Nov 2022US 2022/0350045 A1Tubitak
- A landmine, ueo or ied detection and destruction system25 Aug 2022US 2022/0268555 A1JJ1 Holdings Pty Ltd
Most cited
By later US patents
- Detection of concealed explosives and contraband345US 5,600,303 ATechnology International Incorporated · 1997
- Detection of concealed explosives and contraband234US 5,692,029 ATechnology International Incorporated · 1997
- Multi-mode electromagnetic target discriminator sensor system and method of operation thereof70US 6,967,574 B1The Johns Hopkins University · 2005
- Ground penetrating radar system66US 6,445,334 B1Planning Systems Incorporated · 2002
- Improvised explosive device countermeasures51US 7,512,511 B1The Boeing Company · 2009