Patents by Inventor Patrick N. Dowden

Patrick N. Dowden 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: 5177850
    Abstract: A forcible entry tool is disclosed which enables law enforcement personnel such as SWAT teams or police or other persons such as fireman to breach a heavily fortified door or the like in a matter of seconds without the use of explosives. A ram is taught which is adjustable in weight to suit the needs of an individual and which may be inter-locked with another ram of the same structure in order to "gang" them and several can be locked together, forming a heavy, multi-manned battering ram.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: January 12, 1993
    Inventors: Harold L. Hull, Patrick N. Dowden
  • Patent number: 5088174
    Abstract: A forcible entry tool is disclosed which enables law enforcement personnel such as SWAT or police or other persons such as firemen to breach a heavily fortified door or the like in a matter of seconds without the use of explosives. A ram like device is taught which is normally operated by two persons which can penetrate through a steel re-enforced door by using a heavy-duty slide hammer with a leg support that is locked to the correct height for support when a pin is pulled. The apparatus also has a hook on one end which may be impaled in the door or hooked to any other object and the door or object removed outwardly.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: February 18, 1992
    Inventors: Harold L. Hull, Patrick N. Dowden