Patents by Inventor Jerry KOLSTAD

Jerry 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).

  • PRECIOUS METALS RECOVERY
    Publication number: 20230416872
    Abstract: Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Application
    Filed: September 12, 2023
    Publication date: December 28, 2023
    Inventors: Dave SHUCK, Jerry KOLSTAD, Mark RAPKOCH, Grenvil Marquis DUNN
  • Precious metals recovery
    Patent number: 11788170
    Abstract: Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: October 17, 2023
    Assignee: Stillwater Mining Company
    Inventors: Dave Shuck, Jerry Kolstad, Mark Rapkoch, Grenvil Marquis Dunn
  • PRECIOUS METALS RECOVERY
    Publication number: 20190284659
    Abstract: Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Application
    Filed: May 28, 2019
    Publication date: September 19, 2019
    Inventors: Dave SHUCK, Jerry KOLSTAD, Mark RAPKOCH, Grenvil Marquis DUNN
  • Precious metals recovery
    Patent number: 10316388
    Abstract: A hydrometallurgical process and system for the recovery of precious metals; specifically, palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: June 11, 2019
    Assignee: Stillwater Mining Company
    Inventors: Dave Shuck, Jerry Kolstad, Mark Rapkoch, Grenvil Marquis Dunn
  • PRECIOUS METALS RECOVERY
    Publication number: 20160237524
    Abstract: A hydrometallurgical process and system for the recovery of precious metals; specifically, palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Application
    Filed: April 26, 2016
    Publication date: August 18, 2016
    Inventors: Dave SHUCK, Jerry KOLSTAD, Mark RAPKOCH, Grenvil Marquis DUNN
  • Precious metals recovery
    Patent number: 9347113
    Abstract: Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: May 24, 2016
    Assignee: Stillwater Mining Company
    Inventors: Dave Shuck, Jerry Kolstad, Mark Rapkoch, Grenvil Marquis Dunn
  • PRECIOUS METALS RECOVERY
    Publication number: 20140373684
    Abstract: Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Application
    Filed: December 3, 2012
    Publication date: December 25, 2014
    Applicant: STILLWATER MINING COMPANY
    Inventors: Dave Shuck, Jerry Kolstad, Mark Rapkoch, Grenvil Marquis Dunn
  • PRECIOUS METALS RECOVERY
    Publication number: 20140000413
    Abstract: Discloses a hydrometallurgical process and system for the recovery of precious metals; specifically palladium, rhodium, and platinum metals, at high purity and with limited waste and environmental fouling.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 2, 2014
    Inventors: Dave SHUCK, Jerry KOLSTAD, Mark RAPKOCH, Grenvil Marquis DUNN