E02F 7/00
Equipment for conveying or separating excavated material
Official title: Equipment for conveying or separating excavated material (barges adapted for carrying-away material from floating dredgers B63B35/28)
E02F7/00 (Equipment for conveying or separating excavated material) appears on 594 US grants and 411 published applications in this corpus.
Search patents in E02F- Granted patents
- 594
- Published applications
- 411
- Assignees
- 298
- Inventors
- 999
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 17 | 0 |
| 1978 | 12 | 0 |
| 1979 | 17 | 0 |
| 1980 | 13 | 0 |
| 1981 | 17 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 15 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 11 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 18 | 2 |
| 2002 | 11 | 6 |
| 2003 | 6 | 11 |
| 2004 | 10 | 10 |
| 2005 | 5 | 11 |
| 2006 | 9 | 7 |
| 2007 | 8 | 4 |
| 2008 | 5 | 13 |
| 2009 | 7 | 11 |
| 2010 | 5 | 11 |
| 2011 | 10 | 9 |
| 2012 | 7 | 12 |
| 2013 | 5 | 20 |
| 2014 | 12 | 23 |
| 2015 | 20 | 20 |
| 2016 | 18 | 29 |
| 2017 | 22 | 20 |
| 2018 | 17 | 22 |
| 2019 | 22 | 34 |
| 2020 | 27 | 27 |
| 2021 | 20 | 17 |
| 2022 | 10 | 17 |
| 2023 | 21 | 22 |
| 2024 | 20 | 23 |
| 2025 | 19 | 18 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 7/06Delivery chutes or screening plants or mixing plants mounted on dredgers or285
- E02F 7/02Conveying equipment mounted on a dredger163
- E02F 7/005Conveying material from the underwater bottom83
- E02F 7/04Loading devices mounted on a dredger or an excavator hopper dredgers, also76
- E02F 7/10Pipelines for conveying excavated materials63
Recent patents
- Construction apparatus29 Sep 2026US 12,746,556 B2JDC Corporation
- Arrangement and method for mixing a paste at a waste disposal site30 Jun 2026US 12,668,539 B2Betolar Oy
- Dredge system2 Jun 2026US 12,644,252 B2Eddy Pump Corporation
- Bi-directional sled26 May 2026US 12,637,830 B2Eddy Pump Corporation
- Methods for suppression of seabed mining plumes21 Apr 2026US 12,606,982 B2Deep Reach Technology, Inc.
- Screening bucket8 Oct 2026US 2026/0308873 A1Simex Engineering S.R.L.
- Suction Excavator30 Jul 2026US 2026/0218484 A1Mobile Tiefbausaugsysteme GmbH
- Apparatus for removing nodular material from the seabed and for separating said material30 Jul 2026US 2026/0218486 A1Soil Machine Dynamics Limited
- Subsea mining2 Jul 2026US 2026/0185446 A1Mhwirth AS
- Offshore Placer Gold Deposit Mining18 Jun 2026US 2026/0168201 A1
Most cited
By later US patents
- Suction excavator60US 5,425,188 AVMB Vesta Maschinenbau GmbH Co. KG · 1995
- System and method for hydrate recovery60US 5,950,732 ASyntroleum Corporation · 1999
- Inclined slope vacuum excavation container52US 7,503,134 B22009
- Dual passage pipe for cycling water to an undersea mineral aggregate gathering apparatus51US 4,149,739 ASumma Corporation · 1979
- Roadway trenching apparatus49US 5,315,770 AAstec Industries, Inc. · 1994