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Class Information
Number: 405/85
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Navigable canal > Having lock
Description: Method or apparatus for shifting a vessel from one level to another in a canal.

Sub-classes under this class:

Class Number Class Name Patents
405/86 Movable lifting member 5

Patents under this class:

Patent Number Title Of Patent Date Issued
8545131 Water-saving lock configurations and operations Oct. 1, 2013
7520231 Watercraft lock Apr. 21, 2009
7037039 Method and apparatus for an improved lock and dam assembly May. 2, 2006
6979149 Vessel transfer system and associated methods Dec. 27, 2005
6962466 Soil remediation of mercury contamination Nov. 8, 2005
5295762 Marine lock systems and methods Mar. 22, 1994
5232309 Method and equipment for maintaining ice-free locks Aug. 3, 1993
5013184 Lock using air chambers May. 7, 1991
4877351 Apparatus for adjusting a water level of a lock Oct. 31, 1989
4830051 Rotary filling and emptying valve May. 16, 1989
4310769 Ship lock system with hydroelectric pumped-storage capability Jan. 12, 1982
4275973 Installation for accelerating navigation of a water ramp and method relating thereto Jun. 30, 1981

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