Patents by Inventor Mark William Royston

Mark William Royston 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).

  • Monitoring apparatus for a pneumatic conveyor system
    Patent number: 4006349
    Abstract: A monitoring system measures the flow of solids in a pneumatic conveying system having a conduit with an air inlet, a solids inlet, and a mixture outlet. A pressure transducer responds to pressure in the conduit to produce a pressure-representing signal. Prior to the introduction of solids into the conduit and while only air flows through the conduit, the pressure-representing signal is sampled to provide a signal which is stored. After solids are introduced into the conduit, the pressure-representing signal is sampled again, preferably on a repetitious basis, and supplied to apparatus such as a computer which determines the difference between the pressure of air plus solids and the pressure of air, and multiplies this difference by a constant to determine the mass flow of solids.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: February 1, 1977
    Assignee: Pacific Pneumatics, Inc.
    Inventor: Mark William Royston