B66C 23/53
Including counterweight or means to compensate for list, trim, or skew of
Official title: including counterweight or means to compensate for list, trim, or skew of the vessel or platform (counterweights or supports for balancing lifting couples B66C23/72; equipment to decrease unwanted vessel movements B63B39/00)
B66C23/53 (Including counterweight or means to compensate for list, trim, or skew of) appears on 34 US grants and 40 published applications in this corpus.
Search patents in B66C- Granted patents
- 34
- Published applications
- 40
- Assignees
- 23
- Inventors
- 55
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 3 | 5 |
| 2017 | 4 | 2 |
| 2018 | 1 | 3 |
| 2019 | 4 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 5 |
| 2022 | 3 | 4 |
| 2023 | 2 | 2 |
| 2024 | 3 | 4 |
| 2025 | 4 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Marine crane and offshore vessel26 May 2026US 12,637,334 B2Itrec B V
- Motion-stabilized crane systems and associated methods6 Jan 2026US 12,515,925 B2Grant Prideco, L.P.
- Marine knuckle boom crane24 Jun 2025US 12,338,106 B2Itrec B V
- Offshore vessel, preferably an offshore wind turbine installation vessel, a crane for providing such a vessel, and a method for using such a crane, preferably for upending a monopile27 May 2025US 12,313,035 B2Itrec B V
- Vessel and method for installation of a pile adapted to support an offshore wind turbine14 Jan 2025US 12,195,305 B2Itrec B V
- Crane system including a tugger winch and tugger line30 Jul 2026US 2026/0217498 A1Itrec B V
- A method for controlling transfer of a suspended load between an offshore wind turbine and a floating vessel27 Nov 2025US 2025/0360989 A1Vestas Wind Systems A/S
- Motion-stabilized crane systems and associated methods28 Nov 2024US 2024/0391740 A1National Oilwell Varco Norway AS
- Hydraulic stabilization device17 Oct 2024US 2024/0344536 A1Van Halteren Technologies Boxtel B.V.
- Marine crane and offshore vessel22 Aug 2024US 2024/0279037 A1Itrec B V
Most cited
By later US patents
- Stabilizing system on a semi-submersible crane vessel14US 4,231,313 AVaritrac AG · 1980
- Stabilizing system for a crane vessel13US 4,207,828 AVaritrac AG · 1980
- Load transfer system5US 6,668,747 B2Seametric International AS · 2003
- Deep water knuckle boom crane5US 9,463,963 B2National Oilwell Varco, L. P. · 2016
- Multi function heave compensator5US 9,718,653 B2Ernst-B. Johansen AS · 2017