E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
61/36
E02B 3/10 (2006.01) A01K 29/00 (2006.01) E01F 5/00 (2006.01) E02B 5/08 (2006.01) E02B 7/04 (2006.01) E02B 8/04 (2006.01)
Patent
CA 1195129
TITLE A Method and Device to Prevent Beavers from Blocking Drainage Channels ABSTRACT In a situation where animals, such as beavers, attempt to flood lands by blocking culverts or constructing dams across waterways, a device is used to maintain a constant flow of water through the dam or culvert. An elongated pipe or culvert with a downwardly directed opening distant from the culvert or dam is used. On the end of the pipe closest to the culvert is a gate which prevents animals and debris from passing through but allows for the smaller elongated pipe to communicate with the culvert. the beaver instinctively attempts to dam the gate area rather than dam the underwater opening of the elongated pipe, and thus is unsuccessful in stopping the flow of water.
466066
Lambert Walter
Smart & Biggar
LandOfFree
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