Patents by Inventor Edwin Phillips

Edwin Phillips 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).

  • Screw thread for thin-walled tubing
    Patent number: 5507538
    Abstract: A screw thread for thin-walled tubing tubing having an outside diameter and a wall thickness less than about one twenty-sixth said diameter, said thread having a depth less than half said wall thickness, a pressure angle below 10.degree., and a thread pitch at least ten times the thread depth.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: April 16, 1996
    Assignee: Scientific Machine and Supply Company
    Inventor: Edwin Phillips
  • Quick turn metering valve
    Patent number: 4601310
    Abstract: A valve includes a body having a tapered protrusion on one end and a thin walled heel on the other end. A cap includes a shoulder about which the thin wall is flared to couple the cap to the body. A sleeve positioned on the body provides effective sealing between the body and a flow device.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: July 22, 1986
    Inventor: Edwin Phillips
  • Non-stick glass stopcock
    Patent number: 4512364
    Abstract: A non-stick glass stopcock includes a sleeve interposed between a stem tapered body and a tapered valve seat. The sleeve permits operation of the stopcock while eliminating the need for any grease to be located between the stem and valve seat tapered portions. The adjustment mechanism maintains adjustment when the stopcock moves between open and closed positions.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: April 23, 1985
    Inventor: Edwin Phillips