E02D 2250/0053
Production methods: using suction or vacuum techniques
Official title: using suction or vacuum techniques
E02D2250/0053 (Production methods: using suction or vacuum techniques) appears on 51 US grants and 35 published applications in this corpus.
Search patents in E02D- Granted patents
- 51
- Published applications
- 35
- Assignees
- 36
- Inventors
- 117
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 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 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 4 | 5 |
| 2018 | 5 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 4 |
| 2023 | 2 | 3 |
| 2024 | 2 | 5 |
| 2025 | 3 | 5 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Eccentric suction pile pump with hinged lift appliance7 Jul 2026US 12,673,750 B2Spt Equipment B.V.
- Marine foundations comprising suction piles16 Jun 2026US 12,655,599 B2Subsea 7 Norway AS
- Support structure for offshore wind power generator and method of installing the same21 Apr 2026US 12,606,974 B2Industry-Academic Cooperation Foundation, Kunsan National University
- Annular anchor installing instrument and annular anchor installing method17 Feb 2026US 12,553,206 B2China Three Gorges Corporation
- Foot pad for submerged machinery13 Jan 2026US 12,522,324 B2Stationkeep LLC
- Marine foundations comprising suction piles17 Jul 2025US 2025/0230621 A1Subsea 7 Norway AS
- Support structure for offshore wind power generator and method of installing the same17 Apr 2025US 2025/0122688 A1Industry-Academic Cooperation Foundation, Kunsan National University
- Installation and removal of subsea foundations13 Feb 2025US 2025/0052027 A1Subsea 7 Norway AS
- Subsea foundation9 Jan 2025US 2025/0012035 A1Equinor Energy AS
- Subsea foundation2 Jan 2025US 2025/0003172 A1Equinor Energy AS
Most cited
By later US patents
- Installation of a foundation pile in a subsurface soil123US 5,951,207 AChevron U.S.A.Inc. · 1999
- Suction anchor and method of installing a suction anchor48US 4,432,671 AShell Oil Company · 1984
- Method for securing a tubular element to the bottom of a body of water and apparatus for carrying out this method47US 4,318,641 AShell Oil Company · 1982
- Method and means for drilling an earthen hole46US 5,887,667 ARing-O-Matic Manufacturing Company, Inc. · 1999
- System for driving open end pipe piles on the ocean floor using pneumatic evacuation and existing hydrostatic pressure41US 4,575,282 A1986