Resources Contact Us Home
Secure fire hydrant cap

Image Number 5 for United States Patent #7797972.

A security device for engaging a threaded element includes an inner body configured to engage the threaded element and an outer body operatively coupled to the inner body. A pin is operatively coupled to the inner body and movable between an extended position and a retracted position such that the outer body moves relative to the inner body when the pin is disposed in the retracted position and the outer body and the inner body are operatively coupled for simultaneous movement when the pin is disposed in the extended position.

  Recently Added Patents
Image sensor with improved color crosstalk
Method for modeling and analyzing linear time invariant systems with time delays
Mass spectrometry device and method using ion-molecule reaction ionization
Meter socket cabinet
Method for producing semiconductor substrate, semiconductor substrate, method for manufacturing electronic device, and reaction apparatus
Method of treating cancer using a survivin inhibitor
5-HT.sub.3 receptor modulators, methods of making, and use thereof
  Randomly Featured Patents
Method of starting up operation of fuel cell at low temperature
Vehicle wheel front face
Capacitor having an anodic metal oxide substrate
Threaded fastener
Bondwire configuration for reduced crosstalk
Pegylated mutated clostridium botulinum toxin
Ion-removing apparatus
Power conditioning system and apparatus
Continuous speech recognition apparatus
System and method for controlling access to an electronic message recipient