Patents by Inventor Paul E. Robinson

Paul E. Robinson 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).

  • Dewar for storing and delivering liquid cryogen
    Patent number: 5906100
    Abstract: There are disclosed several embodiments of dewars each of which include an insulated apparatus for storing and delivering a liquid cryogen and a capacitance gauge for measuring the liquid level of cryogen. A process for rapidly filling the vessel with cryogen is also disclosed.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: May 25, 1999
    Assignee: Oceaneering International Inc.
    Inventors: Bruce D. Caldwell, Paul D. Duncan, John H. Fricker, Charles L. Hethcoat, III, Rick C. Hunter, Paul E. Robinson
  • Mop wringer
    Patent number: 4044419
    Abstract: A squeeze mop having a pair of wings pivoted to a central part of the mop body, and a one piece lever and actuating mechanism pivoted adjacent the end of the handle. The lever is integrally connected to a pair of spaced actuators straddling the handle and acting on each wing so that the initial closing movement gives a rapid closing movement, and further movement gives a closing movement with an increased mechanical advantage.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: August 30, 1977
    Assignee: Sabco Limited
    Inventor: Paul E. Robinson
  • Mop wringer
    Patent number: 3946457
    Abstract: A mop wringer for cotton and like mops, the wringer being a tubular member adapted to slide on the mop handle, and having a pair of rollers mounted in inclined slots at the lower end of the tubular member so that as the tubular member is moved downwardly up over the mop the rollers engage the mop to roll thereon and move along the slots so that the rollers move towards each other to squeeze the liquid from the mop.
    Type: Grant
    Filed: September 18, 1974
    Date of Patent: March 30, 1976
    Assignee: S.A. Brush Company Limited
    Inventor: Paul E. Robinson