E02F 9/18
Counterweights
Official title: Counterweights {(for cranes B66C23/72, for tractors B62D49/085)}
E02F9/18 (Counterweights) appears on 179 US grants and 183 published applications in this corpus.
Search patents in E02F- Granted patents
- 179
- Published applications
- 183
- Assignees
- 78
- Inventors
- 414
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 3 |
| 2004 | 3 | 6 |
| 2005 | 1 | 5 |
| 2006 | 6 | 2 |
| 2007 | 2 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 3 |
| 2010 | 4 | 7 |
| 2011 | 4 | 4 |
| 2012 | 3 | 7 |
| 2013 | 8 | 7 |
| 2014 | 5 | 10 |
| 2015 | 11 | 13 |
| 2016 | 4 | 18 |
| 2017 | 19 | 14 |
| 2018 | 12 | 13 |
| 2019 | 13 | 7 |
| 2020 | 5 | 6 |
| 2021 | 8 | 11 |
| 2022 | 6 | 7 |
| 2023 | 9 | 12 |
| 2024 | 3 | 10 |
| 2025 | 5 | 6 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Work machine18 Aug 2026US 12,709,866 B2
- Construction machine28 Jul 2026US 12,691,817 B2Hd Hyundai Infracore Co., Ltd.
- Modular excavator5 May 2026US 12,618,218 B2Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Skid-steer arm device and system14 Apr 2026US 12,601,143 B1
- System for controlling work machine, method, and work machine24 Mar 2026US 12,584,290 B2Komatsu Ltd.
- Working machine13 Aug 2026US 2026/0234900 A1Hitachi Construction Machinery Co., Ltd.
- Electric Excavator With Power Store Housing30 Jul 2026US 2026/0218488 A1Caterpillar SARL
- Working machine18 Jun 2026US 2026/0168204 A1Kubota Corporation
- Work machine11 Jun 2026US 2026/0160041 A1Komatsu Ltd.
- Electric motor driven loader with electric motor powered hydraulics27 Nov 2025US 2025/0361696 A1Manitou Equipment America, LLC
Most cited
By later US patents
- Walk behind apparatus for operating working attachments47US 6,830,111 B2Clark Equipment Company · 2004
- Ballast tank for excavating equipment35US 6,311,781 B1Karic Ventures Ltd. · 2001
- Counterweight mounting structure for construction machine35US 7,036,251 B2Kobelco Construction Machinery Co., Ltd. · 2006
- Counterweight hoisting mechanism31US 5,833,268 A1998
- Public works machine having a removable counterweight and method of dismantling said counterweight29US 3,963,133 ASociete Anonyme: Poclain · 1976