Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Fluid lock










Image Number 4 for United States Patent #4828207.

This fluid lock permits transiting an object between different fluid pressure through a transiting hole in a wall separating a higher fluid pressure side from a lower fluid pressure side on opposite sides of the wall; has higher and lower fluid pressure doors, each hinged for pivotal movement between an open position for permitting transiting through the hole from one to the other pressure side and a closed position for sealing the opening; and has a transiting container formed between the doors in closed position, and closely form fitting the transiting object, for minimizing the loss of fluid between the sides during transiting the object through the hole.








 
 
  Recently Added Patents
Autonomous adaptation of transmit power
Method and system for simulating wireless networks
Novelty snacks and method of manufacture of same
Spoofing detection for civilian GNSS signals
Attribute information providing system
Electronic hand-held device
Carrier or transport strip
  Randomly Featured Patents
Headboard
Interference cancellation circuit
Shopping cart seat
Data transfer in multi-node computer system
Desulfurizing and inoculating agent for molten iron
Catalytic gas detectors
Authenticated access to internet based research and data services
Self-propelled mobile pipeline inspection apparatus and method for inspecting pipelines
Curable epoxide resin mixtures
System and method for computer system management using bookmarks