B66C 23/82
Luffing gear
B66C23/82 (Luffing gear) appears on 267 US grants and 267 published applications in this corpus.
Search patents in B66C- Granted patents
- 267
- Published applications
- 267
- Assignees
- 109
- Inventors
- 472
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 4 |
| 2004 | 1 | 8 |
| 2005 | 0 | 8 |
| 2006 | 2 | 5 |
| 2007 | 10 | 3 |
| 2008 | 4 | 6 |
| 2009 | 6 | 5 |
| 2010 | 3 | 13 |
| 2011 | 2 | 8 |
| 2012 | 3 | 8 |
| 2013 | 4 | 8 |
| 2014 | 14 | 8 |
| 2015 | 8 | 8 |
| 2016 | 9 | 9 |
| 2017 | 5 | 6 |
| 2018 | 7 | 18 |
| 2019 | 15 | 19 |
| 2020 | 27 | 18 |
| 2021 | 18 | 21 |
| 2022 | 10 | 28 |
| 2023 | 12 | 11 |
| 2024 | 17 | 15 |
| 2025 | 14 | 12 |
| 2026 | 9 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crane, crane assembly method and disassembly method18 Aug 2026US 12,709,523 B2Kobelco Construction Machinery Co., Ltd.
- Lifting gear, and method for adjusting the boom of such a lifting gear21 Jul 2026US 12,686,599 B2Liebherr-Werk Biberach GmbH
- Increased stability lifting gear30 Jun 2026US 12,668,463 B2Liebherr-Werk Biberach GmbH
- Crane, a vehicle with a crane, method to operate a crane and circuitry to determine a use of a crane16 Jun 2026US 12,654,999 B2Palfinger AG
- Marine crane and offshore vessel26 May 2026US 12,637,334 B2Itrec B V
- Support structure for crane, crane comprising said support structure, vessel comprising such crane1 Oct 2026US 2026/0296846 A1GustoMSC B.V.
- Crane vehicle10 Sep 2026US 2026/0265023 A1Tadano Ltd.
- Crane attachment6 Aug 2026US 2026/0225864 A1Kobelco Construction Machinery Co., Ltd.
- Telescopic boom and crane6 Aug 2026US 2026/0225865 A1Liebherr-Werk Ehingen GmbH
- Crane and mounting assembly structure18 Jun 2026US 2026/0167463 A1Xuzhou Heavy Machinery Co., Ltd.
Most cited
By later US patents
- Reinforcement mechanism for multi-stage telescopic boom35US 4,982,853 AKabushiki Kaisha Hikoma Seisakusho · 1991
- Counterbalancing type crane32US 4,711,358 AKabushiki Kaisha Kobe Seiko Sho · 1987
- Crane, in particular a large mobile crane31US 5,005,714 A1991
- Apparatus for suppressing vibratory or quaky movements of mobile type crane30US 5,034,892 AKabushiki Kaisha Kobe Seiko Sho · 1991
- Luffing jib for construction crane28US 4,383,616 AKidde, Inc. · 1983