Patents by Inventor Samuel T. Gregory

Samuel T. Gregory 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: 4644933
    Abstract: This invention is an improved solar collector which combines a magnifying lense with separate reflectors to obtain maximum solar energy collection. The collector also tracks celestial movement so as to constantly maintain maximum solar exposure.
    Type: Grant
    Filed: October 28, 1985
    Date of Patent: February 24, 1987
    Inventor: Samuel T. Gregory
  • Patent number: 4549558
    Abstract: This invention is an improved smoking appliance in the form of a pipe having a filter holder which is readily openable for insertion and removal of the filter and yet is compact when in the closed position. Also an improved filter medium is provided for entrapping high percentage of tar and nicotine thus greatly reducing the amount of the substances which are drawn into the body of the smoker. This filter medium is chemically treated to further reduce the bite normally associated with smoking and particularly pipe smoking.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: October 29, 1985
    Inventor: Samuel T. Gregory