Patents by Inventor Michael Blackmar

Michael Blackmar 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).

  • Retrofit underground storage tank and method for making the same
    Patent number: 6056137
    Abstract: The present invention is directed to a retrofit underground storage tank (30) and method for making the same. A portion of an underground primary tank (32) its uncovered and an access opening (42) in formed therein. A plurality of trifolds (50, 120, 122, and 124) comprising three folded up and banded together panels (52, 54, 56) which are jointed together by hinges are inserted into the primary tank. A monorail or conveyor (90) is inserted into and suspended from above the primary tank (32). Trolleys (102, 104) on the monorail (90) assist in transporting the trifolds (50, 120, 122 and 124) within the primary tank (32) and then the monorail (90) is removed. Trifolds (50, 120, 122 and 124) are unbanded and unfolded and are arranged circumferentially about the tank. Jack stands are used to hold panels of the trifolds in place.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: May 2, 2000
    Assignee: Fluid Containment, Inc.
    Inventors: Edward B. Cannan, Jr., Michael Blackmar, Edgar Clifford Crosby, III, Larry D. Lumpkin, John C. King, Stephen C. Macy
  • Retrofit underground storage tank
    Patent number: 5816424
    Abstract: The present invention is directed to a retrofit underground storage tank (30) and method for making the same. A portion of an underground primary tank (32) its uncovered and an access opening (42) in formed therein. A plurality of trifolds (50, 120, 122, and 124) comprising three folded up and banded together panels (52, 54, 56) which are jointed together by hinges are inserted into the primary tank. A monorail or conveyor (90) is inserted into and suspended from above the primary tank (32). Trolleys (102, 104) on the monorail (90) assist in transporting the trifolds (50, 120, 122 and 124) within the primary tank (32) and then the monorail (90) is removed. Trifolds (50, 120, 122 and 124) are unbanded and unfolded and are arranged circumferentially about the tank. Jack stands are used to hold panels of the trifolds in place.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: October 6, 1998
    Assignee: Fluid Containment, Inc.
    Inventors: Edward B. Cannan, Jr., Michael Blackmar, Edgar Clifford Crosby, III, Larry D. Lumpkin, John C. King, Stephen C. Macy, William A. Schneider