Resources Contact Us Home
Browse by Category: Main > Material Science
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

  Recently Added Patents
Nonvolatile memory device
Direct chemical vapor deposition of graphene on dielectric surfaces
Digital broadcasting transmission and reception system, and a signal processing method using turbo processing and turbo decoding
Method for making an abrasion-resistant steel plate and plate obtained
Tetrazolyl oxime derivative, salt thereof, and plant disease control agent
Digital signal processing apparatus, liquid crystal display apparatus, digital signal processing method and computer program
Color image forming apparatus with contact control of process units
  Randomly Featured Patents
Football with odd number of panels
Clustering internet resources
Compost container
Tentative update and confirm or compensate
Recirculation filter
Method for detecting cancer cell caused by HPV, method for determining whether or not tissue is at stage of high-grade dysplasia or more severe stage, and primer set and kit used therefor
Card holder
Mobile communication device and controlling method thereof
Shale conversion process
Formation of novel erythropoietin conjugates using transglutaminase