Patents by Inventor Richard E. Kemble

Richard E. Kemble 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).

  • Fail-safe thermostatically controlled circuit for use in apparatus for melting and dispensing thermoplastic material
    Patent number: 4328387
    Abstract: A fail-safe thermostatically controlled circuit is disclosed for use in high-throughput thermoplastic material melting and dispensing apparatus including a hopper into which solid thermoplastic material is deposited for feeding the thermoplastic material to a grid melter which melts the thermoplastic material whereupon the molten thermoplastic material flows from the grid melter to a reservoir from which the molten thermoplastic material is pumped to an applicator or dispenser. Both the grid melter and the reservoir are preferably heated by electrical resistance heaters energized by separate fail-safe thermostatically controlled circuits.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: May 4, 1982
    Assignee: Nordson Corporation
    Inventor: Richard E. Kemble