Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Spreading comments to other documents
Method and apparatus for performing volume replication using unified architecture
Horticulture grow light housing
Modular fluid reservoir
Image transmission device, image transmission system, and image transmission method
Video summary including a particular person
Electronic device
  Randomly Featured Patents
Soft tissue biopsy aspirating device
Inflatable seat cushion
Air compressor
Method for producing cytotoxic T-cells
Dry field tongue guard
Computer system for integrating car electronic devices
Flexible shaft plug insert
Rear light unit for a vehicle and circuit therefor
Light emitting device and method of manufacturing the same
Skirt for agricultural machines for moving fodder