Patents by Inventor Dennis Cramm

Dennis Cramm 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: 10464805
    Abstract: Disclosed is a solvent dispensing system that includes a plurality of air-operated double diaphragm pumps, which are adapted to couple to a plurality of solvent supply containers, and coupled to a plurality of dispensing nozzles, wherein each air-operated double diaphragm pump is powered by a separate air supply line carrying pressurized air, and is controlled by a separate air directional control valve. The solvent dispensing system further includes a sealing cap device for coupling a solvent container to a solvent supply line. The sealing cap device is adapted to form a seal around a solvent discharge opening in a solvent container. The sealing cap device has a check valve and breather combination and a fitting for coupling the solvent container to a solvent supply line. Also disclosed is a clamping system for pressing the sealing cap device around the solvent discharge opening in the solvent container.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 5, 2019
    Assignee: Memorial University of Newfoundland
    Inventors: Dennis Cramm, Jason Stevens
  • Publication number: 20170190566
    Abstract: Disclosed is solvent dispensing system comprising a plurality of air-operated double diaphragm pumps, adapted to couple to a plurality of solvent supply containers, and coupled to a plurality of dispensing nozzles, wherein each air-operated double diaphragm pump is powered by a separate air supply line carrying pressurized air, and is controlled by a separate air directional control valve. The present invention also provides a means of coupling a solvent container to a solvent supply line, comprising a sealing cap device for forming a seal around a solvent discharge opening in a solvent container, said sealing cap device having a check valve and breather combination and a means for coupling the solvent container to a solvent supply line. Also disclosed is a clamping system for pressing the sealing cap device around the solvent discharge opening in the solvent container.
    Type: Application
    Filed: December 9, 2016
    Publication date: July 6, 2017
    Applicant: Memorial University of Newfoundland
    Inventors: Dennis Cramm, Jason Stevens