E02F 9/067
With arrangements for heave compensation
Official title: {with arrangements for heave compensation (for drilling structures E21B19/09; for lifting devices B66C13/02)}
E02F9/067 (With arrangements for heave compensation) appears on 12 US grants and 5 published applications in this corpus.
Search patents in E02F- Granted patents
- 12
- Published applications
- 5
- Assignees
- 8
- Inventors
- 19
- Latest grant
- 14 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compensator device14 Apr 2020US 10,619,693 B2IHC Holland IE B.V.
- Drive system for a spud carrier23 Oct 2018US 10,106,953 B2IHC Holland IE B.V.
- Cutting dredger4 Apr 2017US 9,611,621 B2IHC Holland IE B.V.
- Dredge vessel system29 Mar 2016US 9,297,142 B2Damen Dredging Equipment B.V.
- Hoisting device with compensated tackle12 Nov 1985US 4,552,339 AHydraudyne B.V.
- Drive system for a spud carrier15 Feb 2018US 2018/0044882 A1IHC Holland IE B.V.
- Compensator device4 Jan 2018US 2018/0003257 A1IHC Holland IE B.V.
- Cutting dredger3 Dec 2015US 2015/0345107 A1IHC Holland IE B.V.
- Dredging arrangement comprising a biasing device19 Nov 2015US 2015/0330055 A1IHC Holland IE B.V.
- A dredge vessel system9 Aug 2012US 2012/0198733 A1Damen Dredging Equipment B.V.
Most cited
By later US patents
- Stabilized hoist rig for deep ocean mining vessel24US 4,324,194 AHydra-Rig, Inc. · 1982
- Stabilized hoist rig for deep ocean mining vessel22US 4,200,054 A1980
- Hoisting device with compensated tackle15US 4,552,339 AHydraudyne B.V. · 1985
- Swell compensator for suction dredging system13US 4,102,064 AN. V. Industrieele Handelscombinatie Holland · 1978
- Wave compensating system for suction dredgers6US 3,949,496 A1976