Patents by Inventor Bernard Broillard

Bernard Broillard 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).

  • Metering dispenser having suck-back through nozzle
    Patent number: 4105146
    Abstract: A metering dispenser for supplying a metered quantity of a viscous liquid comprising a reservoir for a metered quantity of liquid and a piston for expelling the liquid therefrom, first and second sealing rings around the piston preventing inlet of liquid to the reservoir during expulsion of the liquid from the reservoir by the piston and causing suction of any liquid remaining at the outlet back into the reservoir during the return stroke of the piston.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: August 8, 1978
    Inventor: Bernard Broillard