Patents by Inventor Donna Shpak

Donna Shpak 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).

  • Publication number: 20160159704
    Abstract: A general purpose plant growth medium incorporating shredded coastal redwood bark.
    Type: Application
    Filed: February 12, 2016
    Publication date: June 9, 2016
    Inventors: Nahum Shpak, Donna Shpak
  • Patent number: 9260352
    Abstract: A general purpose plant growth medium and planting methods incorporating shredded coastal redwood bark for use in planting. In some embodiments the shredded coastal redwood bark fibers vary in length from about 0.125-14 inches and comprise about 10-100% of the plant growth medium volume. In some embodiments the plant growth medium is compacted to an approximate unhydrated density of about 200-400 pounds per cubic yard.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: February 16, 2016
    Inventors: Nahum Shpak, Donna Shpak
  • Publication number: 20150158779
    Abstract: A general purpose plant growth medium and planting methods incorporating shredded coastal redwood bark for use in planting. In some embodiments the shredded coastal redwood bark fibers vary in length from about 0.125-14 inches and comprise about 10-100% of the plant growth medium volume. In some embodiments the plant growth medium is compacted to an approximate unhydrated density of about 200-400 pounds per cubic yard.
    Type: Application
    Filed: February 17, 2015
    Publication date: June 11, 2015
    Inventors: Nahum Shpak, Donna Shpak
  • Patent number: 8984805
    Abstract: A general purpose plant growth medium and planting methods incorporating shredded coastal redwood bark for use in planting. In some embodiments the shredded coastal redwood bark fibers vary in length from about 0.125-14 inches and comprise about 10-80 % of the plant growth medium volume. In some embodiments the plant growth medium is compacted to an approximate unhydrated density of about 200-400 pounds per cubic yard.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: March 24, 2015
    Inventors: Nahum Shpak, Donna Shpak
  • Publication number: 20130019525
    Abstract: A general purpose plant growth medium incorporating shredded coastal redwood bark.
    Type: Application
    Filed: August 31, 2011
    Publication date: January 24, 2013
    Inventors: Nahum Shpak, Donna Shpak
  • Publication number: 20120096767
    Abstract: A general purpose plant growth medium incorporating shredded coastal redwood bark.
    Type: Application
    Filed: August 31, 2011
    Publication date: April 26, 2012
    Inventors: Nahum Shpak, Donna Shpak