E02C 1/00
Locks or dry-docks
Official title: Locks {or dry-docks}; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass (lock gates E02B7/20 {dry-dock equipment; naval construction aspects B63C1/00; floating docks B63C1/02})
E02C1/00 (Locks or dry-docks) appears on 19 US grants and 18 published applications in this corpus.
Search patents in E02C- Granted patents
- 19
- Published applications
- 18
- Assignees
- 15
- Inventors
- 49
- Latest grant
- 13 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- E02C 1/06Devices for filling or emptying locks8
- E02C 1/02Locks or dry-docks: with auxiliary basins2
- E02C 1/04Locks or dry-docks: with floating throughs throughs for inclined plane lifting apparatus2
- E02C 1/10Equipment for use in connection with the navigation of ships in locks2
- E02C 1/08Arrangements for dissipating the energy of the water0
Recent patents
- Hydroxide stabilization as a means of controlling surface fouling associated with wetted surfaces of boats barges and ships13 Oct 2020US 10,800,497 B2U.S. Geological Survey
- Herodotus machine30 Jan 2018US 9,879,394 B2
- Floating canal system for seas with tendency to freeze26 Jan 2016US 9,242,704 B2
- Canal water refill system28 Apr 2015US 9,016,982 B2
- Watercraft lock21 Apr 2009US 7,520,231 B2
- 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
- Anti-crushing device for use with barges18 Aug 2022US 2022/0258842 A1
- Abutment Plate for Water Control Gate3 Oct 2019US 2019/0301123 A1
Most cited
By later US patents
- Ship lock system with hydroelectric pumped-storage capability17US 4,310,769 ABechtel International Corporation · 1982
- Apparatus for adjusting a water level of a lock10US 4,877,351 ABridgestone Corporation · 1989
- Ship lock electrical energy generation9US 6,969,925 B2General Electric Canada Inc. · 2005
- Lock using air chambers6US 5,013,184 AFoundation of River & Basin Integrated Communications · 1991
- Combination positioning and propelling apparatus for barges4US 4,003,329 AFMC Corporation · 1977