B63C 7/22
Using electromagnets or suction devices
Official title: using electromagnets or suction devices
B63C7/22 (Using electromagnets or suction devices) appears on 9 US grants and 5 published applications in this corpus.
Search patents in B63C- Granted patents
- 9
- Published applications
- 5
- Assignees
- 7
- Inventors
- 31
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Counter-underwater vehicle apparatus and marker21 May 2024US 11,988,486 B2The United States of America as represented by the Secretary of the Navy
- Recovery device and recovery method of unmanned underwater vehicles3 May 2022US 11,319,041 B2Shanghai Zhenhua Heavy Industries Co., Ltd.
- Subsea salvage operation using lifting magnet27 Mar 2012US 8,141,509 B2Wild Well Control, Inc.
- Remotely controlled apparatus for recovering liquid in sunken ship and method performed by the same27 May 2008US 7,377,226 B2Korea Ocean Research and Development Institute
- Device for retrieving an object in a fluid and method therefor6 Nov 2001US 6,312,031 B1
- Counter-underwater vehicle apparatus and marker11 Apr 2024US 2024/0118058 A1The United States of America as represented by the Secretary of the Navy
- Recovery device and recovery method of unmanned underwater vehicles16 Sep 2021US 2021/0284298 A1Shanghai Zhenhua Heavy Industries Co., Ltd.
- Remote fluid recovery or transfer24 Sep 2020US 2020/0300399 A1
- Subsea salvage operation using lifting magnet20 May 2010US 2010/0122650 A1Wild Well Control, Inc.
- Romotely Controlled Apparatus for Recovering Liquid in Sunken Ship and Method Performed by the Same15 Nov 2007US 2007/0261629 A1Korea Ocean Research and Development Institute
Most cited
By later US patents
- Recovery device and recovery method of unmanned underwater vehicles21US 11,319,041 B2Shanghai Zhenhua Heavy Industries Co., Ltd. · 2022
- Underwater mobile type inspection system20US 5,193,405 AMitsubishi Jukogyo Kabushiki Kaisha · 1993
- Remotely controlled apparatus for recovering liquid in sunken ship and method performed by the same12US 7,377,226 B2Korea Ocean Research and Development Institute · 2008
- Recovery system for a submerged instrument10US 5,219,245 AHer Majesty the Queen in right of Canada, as represented by the Department of Fisheries and Oceans · 1993
- Method for the salvage of a sunken vessel3US 4,499,840 A1985