Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 405/98
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Roller or flexible
Description: Method or apparatus wherein the water gate (a) is a cylindrical structure which rotates about its axis to open and close, or (b) is made of sections, flexibly interconnected which opens and closes by being rolled, folded, or bent out of its closed position plane.










Patents under this class:

Patent Number Title Of Patent Date Issued
4484728 Rolling seal sluice gate Nov. 27, 1984
4103496 Collapsible and expansible barrage Aug. 1, 1978











 
 
  Recently Added Patents
Tire for motorcycle
Fabric care compositions comprising front-end stability agents
Storage system with LU-setting function
Morphinan compounds
Image processing apparatus, control method for the same, and storage medium
Termite tubing preventative for non-wood materials
Electric motor
  Randomly Featured Patents
Adhesive blends
Variable capacity buffer storage conveyor for cigarette packaging apparatus
Module for locating system
Position control method and apparatus for an elevator drive
Dispersions of epoxy scavengers exhibiting improved raw stock keeping
Strip length monitoring apparatus
Strapping apparatus
Portable sample analyzer with removable cartridge
Radial jaw biopsy forceps
Apparatus and method for removing swarf and fines from cutting fluids