B63B 35/30
Self-discharging
Official title: self-discharging
B63B35/30 (Self-discharging) appears on 55 US grants and 17 published applications in this corpus.
Search patents in B63B- Granted patents
- 55
- Published applications
- 17
- Assignees
- 34
- Inventors
- 79
- Latest grant
- 19 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 3 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- B63B 35/306Discharging through dump-gates on the bottom or sides of the barge20
- B63B 35/305Discharging by mechanical means14
- B63B 35/308Split barges interconnected hingedly or slidably14
- B63B 35/303Discharging by suction, pressing or washing5
- B63B 35/301Discharging by turning over part of or the whole barge4
Recent patents
- Deployment apparatus for an unmanned marine vehicle19 Oct 2021US 11,148,766 B2The Boeing Company
- Unmanned marine vehicle retrieval apparatus and methods19 Oct 2021US 11,148,769 B2The Boeing Company
- Sluiceway for barge1 Sep 2020US 10,759,506 B2Cashman Dredging and Marine Contracting, Co., LLC
- Sluiceway for barge26 Nov 2019US 10,486,778 B2Cashman Dredging and Marine Contracting, Co., LLC
- Portable lightweight apparatus for transferring heavy loads16 Apr 2019US 10,259,539 B1The United States of America as represented by the Secretary of the Navy
- Trailing suction hopper dredge with stationary tug holding block19 Jun 2025US 2025/0198117 A1
- Deployment Apparatus for an Unmanned Marine Vehicle5 Aug 2021US 2021/0237833 A1The Boeing Company
- Unmanned Marine Vehicle Retrieval Apparatus and Methods5 Aug 2021US 2021/0237836 A1The Boeing Company
- Sluiceway for barge12 Mar 2020US 2020/0079478 A1Cashman Dredging and Marine Contracting, Co., LLC
- Sluiceway for barge26 Sep 2019US 2019/0291828 A1Cashman Dredging and Marine Contracting, Co., LLC
Most cited
By later US patents
- Dual-function cargo discharge apparatus98US 4,428,504 AAmerican Steamship Company · 1984
- Device and method to set and salvage structures28US 4,683,832 A1987
- Seal for unloading hatch of hopper barge or similar vessel17US 4,114,901 AN. V. Industrieele Handelscombinatie Holland · 1978
- Hopper barge having a bottom discharge opening closable by hopper doors14US 4,120,409 AA. Vuyk & Zonen's Scheepswerven B.V. · 1978
- Method for the forming and the deposition in a selected place of a bulk10US 4,878,446 ANicolon Corporation · 1989