Patents by Inventor Paul Krumrine

Paul Krumrine 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: 5022897
    Abstract: A method of coating a filter medium in a flowing gaseous stream, the method comprising: directing a gas stream along a feed path; combining with said gas stream a multiplicity of finished glass dust particles; positioning a fibrous filter medium along said feed path downstream of the point at which the glass dust particles are combined with said stream, the glass dust particles forming a coating on said filter medium to assist in the capture thereon of hazardous waste material in said stream, when said stream contains such material; maintaining the temperature of the gas stream below the softening point of the glass particles; and intermittently removing the particulate coating material and any such hazardous waste material from the filter medium and collecting the same; and a system for accomplishing the same.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: June 11, 1991
    Assignees: Potters Industries, Inc., Roth Bros. Smelting Corp.
    Inventors: Gerald P. Balcar, Paul Krumrine, Neal Schwartz, Burton J. Sutker, Gail J. Wood