E02F 7/10
Pipelines for conveying excavated materials
Official title: Pipelines for conveying excavated materials (pipes in general F16L; pipe-lines systems F17D {; conveying by liquid pressure B65G53/30})
E02F7/10 (Pipelines for conveying excavated materials) appears on 63 US grants and 41 published applications in this corpus.
Search patents in E02F- Granted patents
- 63
- Published applications
- 41
- Assignees
- 46
- Inventors
- 122
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 6 |
| 2015 | 3 | 3 |
| 2016 | 2 | 7 |
| 2017 | 4 | 4 |
| 2018 | 4 | 0 |
| 2019 | 2 | 3 |
| 2020 | 0 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 3 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Environmentally-friendly semi-closed loop deep-sea ore hydraulic lifting system5 Aug 2025US 12,378,749 B2China Merchants Deepsea Research Institute (Sanya) Co.
- Hydro-vac fitting21 Jan 2025US 12,203,580 B2Emco Ltd.
- Hydro-vac fitting24 Oct 2023US 11,796,112 B2Emco Ltd.
- Apparatus and method for seabed resources collection30 May 2023US 11,661,721 B2Ocean Mineral Singapore Holding Pte. Ltd.
- Hydro-vac fitting28 Mar 2023US 11,614,193 B2Emco Ltd.
- Hydro-vac fitting4 Jan 2024US 2024/0003477 A1Emco Ltd.
- Suction Dredger for Use on Underwater Hard Soil Layer2 Nov 2023US 2023/0349127 A1China Railway Major Bridge Engineering Group Co.
- A floating pipe comprising a tube and a floater surrounding said tube19 Oct 2023US 2023/0332718 A1Ddc Engineering B.V.
- Hydro-vac fitting13 Jul 2023US 2023/0220938 A1Emco Ltd.
- Environmentally-friendly semi-closed loop deep-sea ore hydraulic lifting system18 Aug 2022US 2022/0259816 A1China Merchants Deepsea Research Institutel (Sanya) Co., Ltd.
Most cited
By later US patents
- System and method for hydrate recovery60US 5,950,732 ASyntroleum Corporation · 1999
- Dual passage pipe for cycling water to an undersea mineral aggregate gathering apparatus51US 4,149,739 ASumma Corporation · 1979
- Float module combination30US 4,365,577 A1982
- Unbonded flexible pipe for transporting an abrasive material, associated method and associated use28US 10,190,722 B2Technip France · 2019
- Chemical landfill28US 4,252,462 AIndustrial Service International Corp. · 1981