Patents by Inventor Dana Paul Gruenbacher

Dana Paul Gruenbacher 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).

  • Device for oil removal and transport
    Patent number: 6500337
    Abstract: A device of oil removal and transport comprising a bulk material having an inlet region and an outlet region, which is in liquid communication with a reservoir. A membrane is hermitically sealed to or about the inlet region, wherein the membrane is liquid permeable and has an average pore size not greater than 100 micrometers. The invention also relates to a method of oil removal and transport using this device.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: December 31, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Bruno Johannes Ehrnsperger, Dana Paul Gruenbacher, Mattias Schmidt, Andrew Julian Wnuk
  • Dosing reservoir
    Publication number: 20020197094
    Abstract: A dosing reservoir for distributing an active compound in controlled amounts onto a target surface comprising a first impermeable layer and a second permeable layer facing and affixed to the first layer. A fluid tight cell with a frangible seal and containing an active compound is disposed between the first and second layers. When the frangible seal is ruptured, the active compound is released from the cell and is controllably released from the reservoir through the permeable layer.
    Type: Application
    Filed: June 22, 2001
    Publication date: December 26, 2002
    Inventors: Dana Paul Gruenbacher, Kevin Joe Fields, dean arthur zimmerman