Resources Contact Us Home
Lock using air chambers

Image Number 12 for United States Patent #5013184.

A lock using lock chambers and lock gates capable of reducing the water consumption in the operations of raising or lowering the boat passing through the lock from one level to another. The lock includes flexible air chambers capable of being inflated with air, located on bases of the lock chambers which are connected by a pipe equipped with a valve for controlling a flow of air between the air chambers.

  Recently Added Patents
Asynchronous task execution
Computer system for routing package deliveries
Methods and apparatus for map detection with reduced complexity
Pickup device and method for manufacturing the same
Controlling generation of debug exceptions
Dynamic facsimile transcoding in a unified messaging platform
Restore software with aggregated view of content databases
  Randomly Featured Patents
Power tool adaptor
Internally mounted, externally lockable and removable coin comparator mounting device for video vending machines and the like
Distributed autonomic backup
Ceramic susceptor for semiconductor manufacturing equipment
Polyol carboxyalkylthioalkanoamidophenol compounds and organic material stabilized therewith
Method for preparing a lactic acid ester composition and use thereof as solvent
Device for monitoring cell motility in real-time
Rip guide for tools
Method for forming a storage node in a semiconductor memory