Patents by Inventor David Scott Kolstad

David Scott Kolstad 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).

  • Delivery System for the Removal of Contaminants in Lubricating and Hydraulic Fluids
    Publication number: 20110132819
    Abstract: A delivery system for removing contaminants from lubricating and hydraulic fluids. The delivery system can include a reusable sleeve and a first end cap and a second end cap coupled to the reusable sleeve. The delivery system can also include a disposable absorbent cartridge containing absorbent material capable of removing contaminants from lubricating and hydraulic fluids. The disposable absorbent cartridge can be removeably positioned inside the reusable sleeve between the first end cap and the second end cap. The disposable absorbent cartridge can be constructed of a material permeable to the lubricating and hydraulic fluids.
    Type: Application
    Filed: September 14, 2010
    Publication date: June 9, 2011
    Inventors: David Scott Kolstad, John Henry Burban, Craig J. Cuta, Gregory James Livingstone, Brian T. Thompson