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Class Information
Number: 405/86
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Navigable canal > Having lock > Movable lifting member
Description: Method or apparatus relating to a device for shifting a vessel from one level to another in a canal wherein some portion of the device moves with and lifts the vessel.

Patents under this class:

Patent Number Title Of Patent Date Issued
7354223 Mechanical ship lift Apr. 8, 2008
6979149 Vessel transfer system and associated methods Dec. 27, 2005
5295762 Marine lock systems and methods Mar. 22, 1994
4877351 Apparatus for adjusting a water level of a lock Oct. 31, 1989
4275973 Installation for accelerating navigation of a water ramp and method relating thereto Jun. 30, 1981

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