E02F 3/369
Devices to connect parts of a boom or an arm
Official title: {Devices to connect parts of a boom or an arm (devices to connect booms or arms to tractors E02F3/627)}
E02F3/369 (Devices to connect parts of a boom or an arm) appears on 46 US grants and 38 published applications in this corpus.
Search patents in E02F- Granted patents
- 46
- Published applications
- 38
- Assignees
- 26
- Inventors
- 85
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 6 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 2 | 3 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 3 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 3 |
| 2021 | 6 | 4 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 4 |
| 2025 | 4 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Work machine arm, work implement, and work machine30 Dec 2025US 12,509,847 B2Komatsu Ltd.
- Excavator boom extension9 Sep 2025US 12,410,580 B2
- Working machine with coupling device for fluid-conducting lines4 Mar 2025US 12,241,220 B2Liebherr-France SAS
- Construction machine21 Jan 2025US 12,203,234 B2Kobelco Construction Machinery Co., Ltd.
- Attachment for work machine11 Jun 2024US 12,006,653 B2Kobelco Construction Machinery Co., Ltd.
- Swinging body pivot mechanism and working machine including such mechanism18 Jun 2026US 2026/0168202 A1Kubota Corporation
- Stick for an excavator26 Feb 2026US 2026/0055573 A1Kiesel Technology GmbH
- Work machine arm, work implement, and work machine9 May 2024US 2024/0150993 A1Komatsu Ltd.
- Excavator boom extension18 Apr 2024US 2024/0125081 A1
- Working machine with coupling device for fluid-conducting lines18 Apr 2024US 2024/0125082 A1Liebherr-France SAS
Most cited
By later US patents
- Coupler for a heavy-duty machine46US 6,301,811 B1Gilmore Industries, Inc. · 2001
- Coupling for heavy-duty machine37US 5,484,250 AGilmore Transportation Services, Inc. · 1996
- Boom/arm coupler for excavator31US 5,423,625 AJRB Company, Inc. · 1995
- Coupling for heavy-duty machine27US 5,360,313 AGilmore Transportation Services, Inc. · 1994
- Quick-disconnect coupling for a machine having a boom and a stick26US 5,108,252 AGilmore Transportation Services, Inc. · 1992