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
Triple-action pest control formulation and method
High-resolution ranging and location finding using multicarrier signals
Low powered activation arrangement and method thereof
Method for manufacturing a magnet coil configuration using a slit band-shaped conductor
Semiconductor arrangement with a solder resist layer
Electric power supply system and electric power supply system for motor vehicle
Gate timing for short servo wedge in disk memory systems
  Randomly Featured Patents
Hydrophilic polymeric coatings for medical articles
Safe multi-functional foldable leisure chair
Method and apparatus for reducing fertilizer use in agricultural operations
Oil pump inlet screen assembly
Connecting material and connecting method
Process for preparing 2',3'-dideoxy nucleoside derivatives
Peripheral unit for a programmable controller
Process and reactor for char-gas oxide reactions by radiofrequency catalysis
Gazebo having inserts with mirror spear design
Diffractive optical element and optical device