E02F 9/125
Locking devices
Official title: {Locking devices}
E02F9/125 (Locking devices) appears on 19 US grants and 20 published applications in this corpus.
Search patents in E02F- Granted patents
- 19
- Published applications
- 20
- Assignees
- 13
- Inventors
- 58
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 4 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrically driven construction machine8 Sep 2026US 12,728,743 B2Hitachi Construction Machinery Tierra Co., Ltd.
- Turntable assembly and engineering mechanical equipment24 Feb 2026US 12,559,900 B2Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Parking brake device and work machine equipped with the same20 Jan 2026US 12,528,673 B2Kobelco Construction Machinery Co., Ltd.
- Working machine14 May 2024US 11,982,068 B2Kubota Corporation
- Hydraulic system of construction machine24 Oct 2023US 11,795,660 B2Kawasaki Jukogyo Kabushiki Kaisha
- Control system for work machine, control method for work machine, and remote operation system for work machine10 Sep 2026US 2026/0266022 A1Komatsu Ltd.
- Control system for work machine, work machine, control method for work machine, and remote operation system for work machine6 Aug 2026US 2026/0226704 A1Komatsu Ltd.
- Electrically Driven Construction Machine12 Feb 2026US 2026/0042367 A1Hitachi Construction Machinery Tierra Co., Ltd.
- Turntable assembly and engineering mechanical equipment16 Jan 2025US 2025/0019930 A1Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Parking brake device and work machine equipped with the same28 Dec 2023US 2023/0416057 A1Kobelco Construction Machinery Co., Ltd.
Most cited
By later US patents
- Slewing ring brake23US 6,199,442 B1BAUER Spezialtiefbau GmbH · 2001
- Swing lock means for an hydraulic excavator9US 3,972,378 ACaterpillar Tractor Co. · 1976
- Working vehicle and method for controlling the working vehicle7US 8,880,302 B1Komatsu Ltd. · 2014
- Wheeled work machine6US 7,740,254 B2Kubota Corporation · 2010
- Hydraulic fluid circuit having a hydraulic motor and a three-position selector for selecting the circulation of fluid5US 6,038,859 APoclain Hydraulics Industrie · 2000