Patents by Inventor Randy C. Marquardt

Randy C. Marquardt 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).

  • Patent number: 10085453
    Abstract: Disclosed herein are compositions including a dispersion of solid particles of a substantially insoluble copper compound, and an organic biocide, wherein at least 20% of all particles of the composition have a particle size greater than 25 microns. Also disclosed herein are methods of making and using the same.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: October 2, 2018
    Assignee: OSMOSE UTILITIES SERVICES, INC.
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Publication number: 20180027820
    Abstract: Disclosed herein are compositions including a dispersion of solid particles of a substantially insoluble copper compound, and an organic biocide, wherein at least 20% of all particles of the composition have a particle size greater than 25 microns. Also disclosed herein are methods of making and using the same.
    Type: Application
    Filed: October 4, 2017
    Publication date: February 1, 2018
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Patent number: 9808015
    Abstract: Disclosed herein are compositions comprising a dispersion of solid particles of a substantially insoluble copper compound; a boron-containing compound, a fluoride-containing compound, or a combination thereof; wherein at least 20% of the particles of the composition comprise particles having particle size greater than 25 microns. Also disclosed herein are methods of making and using the same.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: November 7, 2017
    Assignee: OSMOSE UTILITIES SERVICES, INC.
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Publication number: 20170135350
    Abstract: Disclosed herein are compositions comprising a dispersion of solid particles of a substantially insoluble copper compound; a boron-containing compound, a fluoride-containing compound, or a combination thereof; wherein at least 20% of the particles of the composition comprise particles having particle size greater than 25 microns. Also disclosed herein are methods of making and using the same.
    Type: Application
    Filed: January 31, 2017
    Publication date: May 18, 2017
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Patent number: 9593245
    Abstract: Disclosed herein are compositions comprising a dispersion of solid particles of a substantially insoluble copper compound in an amount from 0.001% to 10% by weight of the composition; a boron-containing compound, a fluoride-containing compound, or a combination thereof; and an aqueous carrier; wherein the composition has a viscosity of 125 to 425 tenths of a millimeter (tmm) as measured using a penetrometer, and wherein at least 20% of the particles of the composition comprise particles having particle size greater than 25 microns. Also disclosed herein are methods of making and using the same.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: March 14, 2017
    Assignee: Osmose Utilities Services, Inc.
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Publication number: 20160369109
    Abstract: Disclosed herein are compositions comprising a dispersion of solid particles of a substantially insoluble copper compound in an amount from 0.001% to 10% by weight of the composition; a boron-containing compound, a fluoride-containing compound, or a combination thereof; and an aqueous carrier; wherein the composition has a viscosity of 125 to 425 tenths of a millimeter (tmm) as measured using a penetrometer, and wherein at least 20% of the particles of the composition comprise particles having particle size greater than 25 microns. Also disclosed herein are methods of making and using the same.
    Type: Application
    Filed: September 6, 2016
    Publication date: December 22, 2016
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Patent number: 9464196
    Abstract: Disclosed herein are compositions comprising a dispersion of solid particles of a substantially insoluble copper compound in an amount from 0.001% to 10% by weight of the composition; a boron-containing compound, a fluoride-containing compound, or a combination thereof; and an aqueous carrier; wherein the composition has a viscosity of 125 to 425 tenths of a millimeter (tmm) as measured using a penetrometer, wherein at least 20% of the particles of the composition comprise particles having particle size greater than 25 microns, and wherein the composition contains no more than 36 grams volatile organic compounds (VOCs) per liter of wood preservative coating. Also disclosed herein are methods of making and using the same.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: October 11, 2016
    Assignee: OSMOSE UTILITIES SERVICES, INC.
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Publication number: 20160185979
    Abstract: Disclosed herein are compositions comprising a dispersion of solid particles of a substantially insoluble copper compound in an amount from 0.001% to 10% by weight of the composition; a boron-containing compound, a fluoride-containing compound, or a combination thereof; and an aqueous carrier; wherein the composition has a viscosity of 125 to 425 tenths of a millimeter (tmm) as measured using a penetrometer, wherein at least 20% of the particles of the composition comprise particles having particle size greater than 25 microns, and wherein the composition contains no more than 36 grams volatile organic compounds (VOCs) per liter of wood preservative coating. Also disclosed herein are methods of making and using the same.
    Type: Application
    Filed: March 7, 2016
    Publication date: June 30, 2016
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Patent number: 9303169
    Abstract: This invention discloses a wood preservative composition for the supplemental or remedial treatment of in-service poles, posts, piling, cross ties and other wooden structures. The wood preservative composition comprises a slow-release micronized copper compound in combination with a boron compound or a fluoride compound.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: April 5, 2016
    Assignee: OSMOSE UTILITIES SERVICES, INC.
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt
  • Publication number: 20150361275
    Abstract: This invention discloses a wood preservative composition for the supplemental or remedial treatment of in-service poles, posts, piling, cross ties and other wooden structures. The wood preservative composition comprises a slow-release micronized copper compound in combination with a boron compound or a fluoride compound.
    Type: Application
    Filed: June 16, 2014
    Publication date: December 17, 2015
    Inventors: Douglas J. Herdman, Jun Zhang, Thomas Pope, Randy C. Marquardt