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Class Information
Number: 405/77
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Extracting power from moving fluid > Wave or tide > With flow restrictor or ramp
Description: Method or apparatus which accelerates the flow by causing it to pass through a narrowed opening or elevates the water by causing it to flow up an inclined plane.

Patents under this class:

Patent Number Title Of Patent Date Issued
8500364 Method and apparatus for installing tidal barrages Aug. 6, 2013
8033752 System for generating energy from sea waves Oct. 11, 2011
4476396 Low-head hydroelectric generation system Oct. 9, 1984
4394098 Radial gate having fine tuning of flow control Jul. 19, 1983
4363564 Water power generator Dec. 14, 1982
4332506 Wave-and-tide-pump apparatus and method thereof Jun. 1, 1982
4078388 Transportable hydromotive assembly Mar. 14, 1978
4040257 Wave-pump apparatus Aug. 9, 1977

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