Machine Design, Inc.

United States of America

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IPC Class
E01F 5/00 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits 1
E02B 13/02 - Closures for irrigation conduits 1
E02B 5/08 - Details, e.g. gates, screens 1
E02B 7/20 - Movable barragesLock gates 1
F16K 15/03 - Check valves with guided rigid valve members with a hinged closure member 1
Found results for  patents

1.

Culvert gate assembly

      
Application Number 13897564
Grant Number 08870493
Status In Force
Filing Date 2013-05-20
First Publication Date 2013-11-28
Grant Date 2014-10-28
Owner Machine Design, Inc. (USA)
Inventor Haire, Steve

Abstract

A gate assembly for use on a pipe, such as a culvert pipe. The assembly having an adjustable engagement band defining an opening. The opening having a nominal diameter sized to engage a culvert pipe. The diameter of the opening being adjustable by up to plus or minus 30 percent the nominal diameter.

IPC Classes  ?

  • E02B 5/08 - Details, e.g. gates, screens
  • E01F 5/00 - Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits
  • F16K 15/03 - Check valves with guided rigid valve members with a hinged closure member
  • E02B 13/02 - Closures for irrigation conduits
  • E02B 7/20 - Movable barragesLock gates