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
White light emitting diode (LED) lighting device
Inhibition of HRP-3 using modified oligonucleotides
Method and apparatus for generating images using a color field sequential display
Playlist search device, playlist search method and program
Anti-phishing system and method
Spacers for insulated glass units
Methods and apparatus for preserving privacy in an RFID system
  Randomly Featured Patents
Tunable sound transmission device for a motor vehicle
Electron-emitting device manufacturing method, electron source manufacturing method, image-forming apparatus manufacturing method, and information displaying and playing apparatus manufacturin
Insecticidal compositions and methods of use employing imidacloprid and another insecticide
Image-signal processing device and image signal processing program
Database facility for XML server pages language
Protective cap for a safety razor
Hydraulic suspension damper
Image forming apparatus
Method and apparatus for conditionally generating a microinstruction that selects one of two values based upon control states of a microprocessor
Spreader for container crane