Patents by Inventor Karl Herringer

Karl Herringer 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).

  • Absorbent sack for cleaning up and containing liquid spills
    Patent number: 4831010
    Abstract: A product for performing tasks of absorbing and containing oils and liquids, being a sack of nonwoven textile, fully enclosed, containing absorbent material which is rice hull ash, a waste product of a co-generation plant.Advantages of product are two fold: a waste material is used as a component and can be used to pick up and contain hazardous waste spills.
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: May 16, 1989
    Inventor: Karl Herringer