E02C
Ship-lifting devices or mechanisms
E02C (Ship-lifting devices or mechanisms) appears on 45 US grants and 41 published applications in this corpus.
Search patents in E02C- Granted patents
- 45
- Published applications
- 41
- Assignees
- 33
- Inventors
- 135
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 6 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Main groups
Granted patents with any code in the group
Recent patents
- Marine rail lift system20 May 2025US 12,305,347 B1
- Control system for boat lift21 May 2024US 11,987,332 B2Premier Remotes and Products, LLC
- Automated boat lift and trolley4 Jul 2023US 11,691,705 B2
- Shiplift platform elevation12 Jul 2022US 11,383,804 B2Bardex Corporation
- Bidirectional ship lift by gravity balancing10 Aug 2021US 11,085,158 B2Shanghai Maritime University
- Construction method for reconstructing and expanding ship lock in situ27 Nov 2025US 2025/0361689 A1Hunan Navigation Engineering Co., Ltd
- Boat lift stabilization and locking apparatus30 Oct 2025US 2025/0333149 A1
- A canal docking system13 Feb 2025US 2025/0052023 A1The Hydbeam Company Limited
- Control system for boat lift1 Dec 2022US 2022/0380007 A1Premier Remotes and Products, LLC
- Anti-crushing device for use with barges18 Aug 2022US 2022/0258842 A1
Most cited
By later US patents
- Hydraulic boat lift32US 4,773,346 A1988
- Programmable boat lift control system28US 5,593,247 AEndcor Inc. · 1997
- Shiplift apparatus19US 4,329,082 A1982
- Ship lock system with hydroelectric pumped-storage capability17US 4,310,769 ABechtel International Corporation · 1982
- Boat lift apparatus12US 6,174,106 B12001