B66C 23/74
Separate from jib
Official title: separate from jib
B66C23/74 (Separate from jib) appears on 259 US grants and 223 published applications in this corpus.
Search patents in B66C- Granted patents
- 259
- Published applications
- 223
- Assignees
- 106
- Inventors
- 430
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 3 |
| 2003 | 6 | 4 |
| 2004 | 1 | 1 |
| 2005 | 1 | 5 |
| 2006 | 2 | 4 |
| 2007 | 3 | 2 |
| 2008 | 4 | 6 |
| 2009 | 2 | 2 |
| 2010 | 6 | 7 |
| 2011 | 4 | 8 |
| 2012 | 2 | 7 |
| 2013 | 4 | 12 |
| 2014 | 9 | 6 |
| 2015 | 8 | 7 |
| 2016 | 5 | 11 |
| 2017 | 6 | 9 |
| 2018 | 10 | 22 |
| 2019 | 16 | 18 |
| 2020 | 21 | 10 |
| 2021 | 15 | 16 |
| 2022 | 12 | 17 |
| 2023 | 11 | 16 |
| 2024 | 11 | 17 |
| 2025 | 11 | 4 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crane and control method for slewing and traveling of a crane under no load while having a super-lift counterweight29 Sep 2026US 12,747,139 B2Xcmg Construction Machinery Co., Ltd. Building Machinery Co.
- Mobile crane with adjustable counterweight device22 Sep 2026US 12,741,851 B2Liebherr-Werk Ehingen GmbH
- Vehicle crane having a detachable attachment superstructure and method for rigging the same22 Sep 2026US 12,741,852 B2Tadano Demag GmbH
- Work machine18 Aug 2026US 12,709,866 B2
- Counterweight tray retention system for lifting machine and related methods7 Jul 2026US 12,673,854 B2Link-Belt Cranes, L.P., Lllp
- Counterweight assembly and system for mounting the counterweight assembly1 Oct 2026US 2026/0296848 A1Caterpillar Inc.
- Counterweight assembly for a lifting machine1 Oct 2026US 2026/0296849 A1Caterpillar Inc.
- Device for securing at least one counterweight plate of a crane27 Aug 2026US 2026/0251261 A1Liebherr-Werk Ehingen GmbH
- Crane18 Jun 2026US 2026/0167465 A1Kobelco Construction Machinery Co., Ltd.
- Method and mobile crane11 Jun 2026US 2026/0159360 A1Liebherr-Werk Ehingen GmbH
Most cited
By later US patents
- Lift enhancing beam attachment with movable counterweights60US 4,729,486 AThe Manitowoc Company, Inc. · 1988
- Demountable gantry, boom hoist and counterweight42US 4,081,081 AThe Manitowoc Company, Inc. · 1978
- Self-erecting mobile crane42US 4,579,234 AAmerican Hoist & Derrick Company · 1986
- Crane, especially a self-propelled crane41US 6,568,547 B1Atecs Mannesmann AG · 2003
- Auxiliary counterweight arrangement for mobile crane40US 4,258,852 AHarnischfeger Corporation · 1981