Patents by Inventor Richard C. Roos

Richard C. Roos 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).

  • POLYACRYLAMIDE DELIVERY PRODUCT
    Publication number: 20120321228
    Abstract: A PAM delivery product is a sold form of polyacrylamide polymer (PAM). Among other things, the PAM delivery product can be used to prevent ruts formed during center-pivot irrigation, prevent erosion of irrigation ditches, clarify wastewater, and assist seed germination and seedling establishment. The PAM delivery product includes pure PAM and water to create a solid “loaf”. Water-soluble calcium (Ca) can also be added to the PAM delivery product depending on the specific application for the PAM delivery product. When Ca is used in the PAM delivery product, it is present in a 9:1 ratio to the PAM.
    Type: Application
    Filed: May 11, 2012
    Publication date: December 20, 2012
    Inventors: Richard C. Roos, Richard A. Hansen
  • Polyacrylamide delivery product
    Patent number: 8178596
    Abstract: The PAM delivery product is a solid form of polyacrylamide polymer (PAM). Among other things, the PAM delivery product can be used to prevent ruts formed during center-pivot irrigation, prevent erosion of irrigation ditches, clarify wastewater, and assist seed germination and seedling establishment. The PAM delivery product includes pure PAM and water to create a solid “loaf.” Water-soluble calcium (Ca) can also be added to the PAM delivery product depending on the specific application for the PAM delivery product. When Ca is used in the PAM delivery product, it is present in a 9:1 ratio to the PAM There are no fixing agents needed in the PAM delivery product; it is pure active ingredient.
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: May 15, 2012
    Inventors: Richard C. Roos, Richard A. Hansen
  • Polyacrylamide Delivery Product
    Publication number: 20090239973
    Abstract: The PAM delivery product is a solid form of polyacrylamide polymer (PAM). Among other things, the PAM delivery product can be used to prevent ruts formed during center-pivot irrigation, prevent erosion of irrigation ditches, clarify wastewater, and assist seed germination and seedling establishment. The PAM delivery product includes pure PAM and water to create a solid “loaf.” Water-soluble calcium (Ca) can also be added to the PAM delivery product depending on the specific application for the PAM delivery product. When Ca is used in the PAM delivery product, it is present in a 9:1 ratio to the PAM There are no fixing agents needed in the PAM delivery product; it is pure active ingredient.
    Type: Application
    Filed: February 2, 2006
    Publication date: September 24, 2009
    Inventors: Richard C. Roos, Richard A. Hansen