E02F 9/24
Safety devices
Official title: Safety devices {, e.g. for preventing overload (E02F9/226 takes precedence)}
E02F9/24 (Safety devices) appears on 801 US grants and 1,006 published applications in this corpus.
Search patents in E02F- Granted patents
- 801
- Published applications
- 1,006
- Assignees
- 250
- Inventors
- 1,794
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 1 |
| 2002 | 13 | 8 |
| 2003 | 6 | 15 |
| 2004 | 11 | 17 |
| 2005 | 16 | 16 |
| 2006 | 18 | 18 |
| 2007 | 13 | 15 |
| 2008 | 7 | 13 |
| 2009 | 7 | 20 |
| 2010 | 12 | 14 |
| 2011 | 13 | 17 |
| 2012 | 12 | 11 |
| 2013 | 13 | 23 |
| 2014 | 26 | 30 |
| 2015 | 22 | 26 |
| 2016 | 19 | 27 |
| 2017 | 19 | 37 |
| 2018 | 28 | 44 |
| 2019 | 31 | 56 |
| 2020 | 61 | 67 |
| 2021 | 37 | 83 |
| 2022 | 58 | 94 |
| 2023 | 50 | 84 |
| 2024 | 75 | 109 |
| 2025 | 91 | 88 |
| 2026 | 61 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for controlling construction machinery6 Oct 2026US 12,753,581 B2Hd Construction Equipment Co., Ltd.
- Work machine monitoring system and work machine monitoring method6 Oct 2026US 12,753,582 B2Komatsu Ltd.
- Work machine29 Sep 2026US 12,747,562 B2Hitachi Construction Machinery Co., Ltd.
- Construction machine22 Sep 2026US 12,742,307 B2Hitachi Construction Machinery Co., Ltd.
- Risk reduction system and method for one or more work machines at a worksite22 Sep 2026US 12,743,912 B2Deere & Company
- Drive system for work machine, control device for work machine, control method for work machine, storage medium storing control program for work machine, and work machine8 Oct 2026US 2026/0308874 A1Nabtesco Corporation
- System And Method For Coaching An Operator Of A Work Machine8 Oct 2026US 2026/0308884 A1Caterpillar Inc.
- Decoupled safety system8 Oct 2026US 2026/0308885 A1Bedrock Robotics Inc.
- Autonomous Control Of Powered Earth-Moving Vehicles To Implement Vehicle Stoppage And Shutdown24 Sep 2026US 2026/0286647 A1AIM Intelligent Machines, Inc.
- System and method for automating travel ready and work ready sequences for a work machine24 Sep 2026US 2026/0286655 A1Deere & Company
Most cited
By later US patents
- System for autonomous excavation and truck loading171US 6,363,632 B1Carnegie Mellon University · 2002
- Method and apparatus for managing dig alerts in a network system118US 6,958,690 B1AT&T Corp. · 2005
- Method and apparatus for determining positioning relative to utility lines114US 6,710,741 B2Guardian Angel Protection Inc. · 2004
- Learning system and method for optimizing control of autonomous earthmoving machinery107US 6,076,030 ACarnegie Mellon University · 2000
- Attachment control device105US 6,923,285 B1Clark Equipment Company · 2005