Patents by Inventor Derek L. Allen

Derek L. Allen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5632341
    Abstract: A ceiling mounted rotating fire extinguishing system comprised of a cylindrical housing having four heat sensitive sprinkler heads positioned therearound. A fire retardant liquid container is secured within the cylindrical housing. The liquid container has a five way piping system extending outwardly of a lower portion thereof. The five way piping system has four extensions coupled with the four heat sensitive sprinkler heads in the cylindrical housing. The five way piping system has a downwardly extending pipe extending outwardly of the cylindrical housing. A spraying housing has a plurality of heat sensitive sprinkler heads extending outwardly thereof. The spraying housing is adapted for rotatable coupling with the downwardly extending pipe of the fire retardant liquid container. A motor is secured within the cylindrical housing. The motor rotating the spraying housing with respect to the cylindrical housing.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: May 27, 1997
    Inventor: Derek L. Allen