Patents by Inventor Markus Fransicus Brouwer

Markus Fransicus Brouwer 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).

  • Dispenser unit with improved air supply
    Patent number: 8430273
    Abstract: The invention relates to a dispenser unit particularly suitable for a liquid container, including an air pump with an air cylinder and an air piston axially displaceable in the air cylinder, an air space defined between the air cylinder and the air piston, supply-closing structure for closing the air supply to the air pump, discharge-closing structure for closing the air discharge from the air pump, an axially displaceable activating element for activating the air pump, and an air inlet opening in the activating element, wherein the air inlet opening debouches in the air space, and at least a part of the air piston forms the supply-closing structure.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: April 30, 2013
    Assignee: MeadWestvaco Calmar Netherlands BV
    Inventor: Markus Fransicus Brouwer
  • DISPENSER UNIT WITH IMPROVED AIR SUPPLY
    Publication number: 20110168739
    Abstract: The invention relates to a dispenser unit particularly suitable for a liquid container, comprising an air pump with an air cylinder (14) and an air piston (9) axially displaceable in the air cylinder (14), an air space defined between the air cylinder (14) and the air piston (9), supply-closing means for closing the air supply to the air pump, discharge-closing means for closing the air discharge from the air pump, an axially displaceable activating element for activating the air pump, and an air inlet opening (12) in the activating element, wherein the air inlet opening (12) debouches in the air space, and at least a part of the air piston (9) forms the supply-closing means.
    Type: Application
    Filed: November 7, 2005
    Publication date: July 14, 2011
    Applicant: MeadWestvasco Calmar Netherlands B.V.
    Inventor: Markus Fransicus Brouwer