Patents by Inventor James A. Hurlock

James A. Hurlock 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).

  • Tea strainer
    Patent number: 7077054
    Abstract: The present invention relates to a tea strainer comprised of a perforated bowl with a cover. The bowl is connected to an elongated handle. The cover is connected to a cover shaft that is pivotally attached to the handle. The perimeter of the cover is slightly smaller than the perimeter of the bowl so that the cover can be extended into the bowl to strain the tea. A retention latch is attached to the front of the bowl to keep the cover from opening.
    Type: Grant
    Filed: May 3, 2003
    Date of Patent: July 18, 2006
    Inventor: James A. Hurlock
  • Manufacture of 2-cyano-propionate esters
    Patent number: 3956357
    Abstract: A process for the manufacture of 2-cyano-propionate esters which comprises hydrogenating in the presence of an hydrogenating catalyst a mixture of a cyano-acetic ester, formaldehyde and a condensation catalyst. Typically ethyl cyano-acetate is treated with formalin or paraform and hydrogen in the presence of palladium on carbon and zinc acetate. Preferably an antioxidant or polymerisation inhibitor is also included in the reaction mixture which also usually includes solvents such as glacial acetic acid or toluene.
    Type: Grant
    Filed: March 13, 1975
    Date of Patent: May 11, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Albert Edward Kaye, Alan Cyril Tucker, Ronald James Hurlock