Patents by Inventor Michael A. Thorne

Michael A. Thorne 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).

  • Safety shield for medical needles
    Publication number: 20010039401
    Abstract: Medical needle shield apparatus for covering a needle after use. In embodiments of this invention a shield with two or more segments hingedly connected to each other is movable from a retracted position where the needle is exposed, to an extended position where the shield extends beyond the end of the needle. The needle is affixed in a hub of a medical needle device, and the shield is articulated to the hub. At least one of the two or more segments has an open orifice through which the needle passes to form an axis of intersection about the needle. The shield includes a channel for covering the needle when the shield is linearly extended. One or more locks associated with one or more of the segments secures one or more of the segments relative to the shield in the extended position. A latch is also disposed on the distal segment for securing the distal segment relative to the shield when in the extended position.
    Type: Application
    Filed: June 27, 2001
    Publication date: November 8, 2001
    Applicant: Safety Syringe Corporation
    Inventors: F. Mark Ferguson, Richard L. Fiser, James R. Curtis, Charles V. Owen, David L. Thorne, Mark A. Nelson, Roy L. Barrus, Gale H. Thorne, Eugene E. Weilbacher, Michael Thorne, Steven Brown, Donald Solomon
  • Method for preparation of hydrocarbon fracturing fluids, fluids prepared thereby, and methods related thereto
    Patent number: 4787994
    Abstract: A method for viscosifying a liquid hydrocarbon-based fracturing fluid is disclosed. The method comprises mixing together a liquid hydrocarbon, an acid, a phosphate composition and an aluminate activator. The phosphate composition comprises an organic phosphate ester selected from the group consisting of orthophosphate esters of the formulae ##STR1## wherein R is an alkyl group containing one to about eight carbon atoms and R' is selected fromt the group consisting of alkyl groups containing about six to about eighteen carbon atoms, alkenyl groups containing about six to about eighteen carbon atoms and mixtures thereof. Hydrocarbon-based fracturing fluids prepared by such method, and methods of use of such fluids are also disclosed.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: November 29, 1988
    Assignee: Petrolite Corporation
    Inventors: Michael A. Thorne, Gary A. Scherubel
  • Hydrocarbon foams as well stimulants
    Patent number: 4404112
    Abstract: This invention relates to the use of silicone-induced hydrocarbon foams as well stimulants, for example as illustrated by their use in fracturing well formations, removal of paraffin in wells, removal of condensate hydrocarbons from blocked gas wells, etc.
    Type: Grant
    Filed: July 8, 1981
    Date of Patent: September 13, 1983
    Assignee: Petrolite Corporation
    Inventors: Gary A. Scherubel, Michael A. Thorne
  • Method using hydrocarbon foams as well stimulants
    Patent number: 4301868
    Abstract: This invention relates to the use of silicone-induced hydrocarbon foams as well stimulants, for example as illustrated by their use in fracturing well formations, removal of paraffin in wells, removal of condensate hydrocarbons from blocked gas wells, etc.
    Type: Grant
    Filed: October 15, 1979
    Date of Patent: November 24, 1981
    Assignee: Petrolite Corporation
    Inventors: Gary A. Scherubel, Michael A. Thorne