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
Pressing mold for optical lenses and method for manufacturing glass optical lenses
Methods and systems for adapting a user environment
Method and device for managing devices in device management system
Elementary network description for efficient link between neuronal models and neuromorphic systems
System and method to obtain signal acquisition assistance data
Uni-directional transient voltage suppressor (TVS)
Strongly bound carbon nanotube arrays directly grown on substrates and methods for production thereof
  Randomly Featured Patents
Memory management algorithm for trellis decoders
Magnetic compass
Enhancement of the pro-fertility action of a molecule involved in a sperm-egg binding
Indexing arrangement
Envelope flapper with adjustable blade
Vibration reducing system for internal combustion engine
Heat resistant polypropylene film
Benzopyran intermediates
Controller port switch arrangement for sharing stored data among different systems
Price tag holder or similar article