E21C 50/02
Dependent on the ship movements
Official title: dependent on the ship movements (vessels or floating structures adapted for special purposes B63B35/00)
E21C50/02 (Dependent on the ship movements) appears on 6 US grants and 8 published applications in this corpus.
Search patents in E21C- Granted patents
- 6
- Published applications
- 8
- Assignees
- 5
- Inventors
- 22
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seafloor harvesting with autonomous drone swarms14 Oct 2025US 12,442,297 B2
- Self-propelled towing simulator for deep-sea mining system applicable to natural water bodies and simulation method using the same29 Aug 2023US 11,739,637 B2Shandong University of Science and Technology
- Method for maneuvering a vessel14 Aug 2018US 10,047,498 B2Hatch Pty Ltd
- Method and apparatus for mining nodules from beneath the sea4 Nov 1980US 4,231,171 ACommissariat A L' Energie Atomique
- Hydraulically operated heavy lift system for vertically moving a string of pipe13 Apr 1976US 3,949,883 AGlobal Marine, Inc.
- Seafloor Harvesting System2 Apr 2026US 2026/0092524 A1
- Seafloor harvesting system2 Apr 2026US 2026/0092525 A1
- Seafloor harvesting system with authonomous drone swarms2 Apr 2026US 2026/0092526 A1
- Seabed mining system and method22 Jan 2026US 2026/0022636 A1Mithril Minerals Inc.
- Self-propelled towing simulator for deep-sea mining system applicable to natural water bodies and simulation method using the same4 May 2023US 2023/0134633 A1Shandong University of Science and Technology
Most cited
By later US patents
- Heave compensation apparatus for a marine mining vessel16US 3,943,868 AGlobal Marine, Inc. · 1976
- Method and apparatus for mining nodules from beneath the sea15US 4,231,171 ACommissariat A L' Energie Atomique · 1980
- Hydraulically operated heavy lift system for vertically moving a string of pipe12US 3,949,883 AGlobal Marine, Inc. · 1976