E02D 23/14
Decreasing the skin friction while lowering
E02D23/14 (Decreasing the skin friction while lowering) appears on 6 US grants and 3 published applications in this corpus.
Search patents in E02D- Granted patents
- 6
- Published applications
- 3
- Assignees
- 5
- Inventors
- 10
- Latest grant
- 15 Jul 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for making a channel in the ground, excavating device for making a channel in the ground, assembly comprising an excavating device and a construction element15 Jul 2008US 7,399,143 B2Heerema Marine Contractors Nederland B.V.
- Reduced skin friction bore casing29 Oct 2002US 6,471,446 B2Foundation Technologies, Inc.
- Reduced skin friction sheet pile22 May 2001US 6,234,720 B1Foundation Technologies, Inc.
- Reduced skin friction driven pile3 Aug 1999US 5,931,604 AFoundation Technologies, Inc.
- Silos and methods of burying same27 Nov 1990US 4,973,197 ALME Petroscope Limited
- Installation and removal of subsea foundations13 Feb 2025US 2025/0052027 A1Subsea 7 Norway AS
- Method for making a channel in the ground, excavating device for making a channel in the ground, assembly comprising an excavating device and a construction element27 Apr 2006US 2006/0086011 A1Heerema Marine Contractors Nederland B.V.
- Reduced skin friction bore casing14 Mar 2002US 2002/0031405 A1Foundation Technologies, Inc.
Most cited
By later US patents
- Subsea foundation element and applications thereof25US 4,733,993 AJ & W Offshore AB · 1988
- Reduced skin friction sheet pile20US 6,234,720 B1Foundation Technologies, Inc. · 2001
- Reduced skin friction driven pile8US 5,931,604 AFoundation Technologies, Inc. · 1999
- Reduced skin friction bore casing2US 6,471,446 B2Foundation Technologies, Inc. · 2002
- Silos and methods of burying same1US 4,973,197 ALME Petroscope Limited · 1990