B66C 23/76
And movable to take account of variations of load or of variations
Official title: and movable to take account of variations of load or of variations of length of jib
B66C23/76 (And movable to take account of variations of load or of variations) appears on 142 US grants and 135 published applications in this corpus.
Search patents in B66C- Granted patents
- 142
- Published applications
- 135
- Assignees
- 63
- Inventors
- 255
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 5 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 1 |
| 2010 | 3 | 5 |
| 2011 | 3 | 4 |
| 2012 | 0 | 3 |
| 2013 | 2 | 10 |
| 2014 | 6 | 1 |
| 2015 | 4 | 4 |
| 2016 | 3 | 9 |
| 2017 | 2 | 6 |
| 2018 | 9 | 14 |
| 2019 | 11 | 13 |
| 2020 | 15 | 7 |
| 2021 | 10 | 14 |
| 2022 | 11 | 9 |
| 2023 | 7 | 10 |
| 2024 | 8 | 13 |
| 2025 | 5 | 1 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Lift crane with improved movable counterweight20 Jan 2026US 12,528,676 B2Manitowoc Crane Companies, LLC
- Counterweight assembly for a lifting machine1 Oct 2026US 2026/0296849 A1Caterpillar Inc.
- Crane18 Jun 2026US 2026/0167465 A1Kobelco Construction Machinery Co., Ltd.
- Method and mobile crane11 Jun 2026US 2026/0159360 A1Liebherr-Werk Ehingen GmbH
- Arrangement consisting of a crawler crane and a counterweight carriage and method for operating same12 Mar 2026US 2026/0070761 A1
- Crane with derrick ballast9 Jan 2025US 2025/0011142 A1Liebherr-Werk Nenzing GmbH
Most cited
By later US patents
- Lift enhancing beam attachment with movable counterweights60US 4,729,486 AThe Manitowoc Company, Inc. · 1988
- Crane, especially a self-propelled crane41US 6,568,547 B1Atecs Mannesmann AG · 2003
- Mobile crane with main and auxiliary counterweight assemblies36US 5,586,667 A1996
- Crane, in particular a large mobile crane31US 5,005,714 A1991
- Crane30US 4,349,115 ARiggers Manufacturing Co. · 1982