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Class Information
Number: 119/233
Name: Animal husbandry > Aquatic animal culturing > Fish culturing > Cover, light or ray affecting
Description: Subject matter including means to selectively intercept visible light and other radiation impinging upon the water surface of a fish pond or tank.










Patents under this class:

Patent Number Title Of Patent Date Issued
6269582 Artificial weed line Aug. 7, 2001
4803949 Fish culturing method and sac-fry pond for use in practicing same Feb. 14, 1989
4658757 Method and apparatus for improved aquaculture/mariculture Apr. 21, 1987
4509459 Process and apparatus for fish growth acceleration Apr. 9, 1985
4399770 Process and apparatus for fish growth acceleration Aug. 23, 1983
4379436 Water-turbulence light-shielding method and apparatus for confined-volume fish growth and the like Apr. 12, 1983
4354457 Method of and apparatus for enabling access to the interior of fish-farming ponds and the like Oct. 19, 1982
4351269 Method of and apparatus for unconfined fish farming and the like Sep. 28, 1982
4287852 Fish growth acceleration and density-increasing apparatus and method Sep. 8, 1981
4271788 Process and apparatus for accelerating growth rate of salmonoids and other fish and the like Jun. 9, 1981
4169050 Buoyant contact surfaces in waste treatment pond Sep. 25, 1979











 
 
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