Patents by Inventor John L. Renfrow

John L. Renfrow 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: 4790936
    Abstract: A system for collecting an oil slick from the surface of a body of water, pumping the confined and concentrated oil to an oil/water separator balloon partially submerged in the body of water, and subsequently transporting the separated oil into a third storage barge for reuse or transport. The collection portion further includes at least a pair of floatable arm members for directing oil to an oil collection means. The oil collection means further includes a pump means for pumping the oil/water layer through a line to the partially submerged oil/water separator means. The oil/water separator portion further includes a substantially inflated balloon having an upper oil/water space containing portion, and a lower oil receiving portion from the collector apparatus.
    Type: Grant
    Filed: August 26, 1987
    Date of Patent: December 13, 1988
    Inventor: John L. Renfrow
  • Patent number: 4702832
    Abstract: A system for collecting an oil slick from the surface of a body of water, pumping the confined and concentrated oil to an oil/water seperator balloon partially submerged in the body of water, and subsequently transporting the seperated oil into a third storage barge for reuse or transport. The collection portion further includes at least a pair of floatable arm members for directing oil to an oil collection means. The oil collection means further includes a pump means for pumping the oil/water layer through a line to the partially submerged oil/water seperator means. The oil/water seperator poriton further includes a substantially inflated balloon having an upper oil/water space containing portion, and a lower oil receiving portion from the collector apparatus.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: October 27, 1987
    Inventor: John L. Renfrow