Patents by Inventor Jacob J. Pelgrom

Jacob J. Pelgrom 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: 5040283
    Abstract: A body of shape memory metal is placed within a tubing by a running sub which transports the body to a desired location within the tubing while the shape memory metal is in its martensitic phase whereupon the shape memory metal is heated so as to regain its original shape which is tailored to its application inside the tubing.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: August 20, 1991
    Assignee: Shell Oil Company
    Inventor: Jacob J. Pelgrom