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
Compound containing a carbon or an oxygen isotope, preparation and use thereof, and composition comprising thereof
Method and system for routing telephony communications together with modified calling party identifier information
Digital fine delay processing
Packet communication system and packet communication method, and node and user device
Restore software with aggregated view of content databases
Battery-operated massager and soap dispensing wand
Controlling a video window position relative to a video camera position
  Randomly Featured Patents
Electromagnetic edge control of thin strip material
System for dynamically pushing information to a user utilizing global positioning system
Method of imparting hypergolicity to non-hypergolic rocket propellants
Noise pair velocity and range echo location system
Process for extracting and recovering metals from aqueous solutions
Method and apparatus for post-processing of episodes detected by a medical device
Normalization and calibration of microphones in sound-intensity probes
Water jet cleaning device
Boot for an inline skate
Assay for diagnosing Streptococcus pneumoniae