Patents by Inventor Charles H. Schwartz

Charles H. Schwartz 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).

  • In-situ treatment of waste stacks, soils or earth materials to immobilize metals contained therein
    Patent number: 5710361
    Abstract: A process for in situ immobilization of metals in waste stack affected zones including a waste stack and any adjacent boundary zone.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: January 20, 1998
    Assignee: J. R. Simplot Company
    Inventors: Joseph G. Harrington, Roger B. Humberger, Michael L. Orr, Charles H. Schwartz
  • In situ immobilization of metals in waste stacks and waste stack affected zones
    Patent number: 5632715
    Abstract: A process for in situ immobilization of metals in waste stack affected zones including a waste stack and any adjacent boundary zone.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: May 27, 1997
    Assignee: J. R. Simplot Company
    Inventors: Joseph G. Harrington, Roger B. Humberger, Michael L. Orr, Charles H. Schwartz
  • Garage door bolt with stationary protective cover
    Patent number: 4655487
    Abstract: A sliding bolt with stationary safety cover for mounting on a door and for locking with a padlock having a bale portion and including the following structure. A back plate for mounting on the door. An upper pair of flange members extending outwardly from the back plate and with each upper flange member including a first opening. A sliding bolt passing through and guided by the first openings in the upper pair of flange members. A lower pair of flange members extending outwardly from the back plate and with each lower flange member including a second opening for receiving the bale portion of the padlock. A handle and locking member attached to the sliding bolt and including a first upwardly extending portion forming a handle for sliding the bolt within the first openings in the upper pair of flange members and including a second downwardly extending portion located between the lower pair of flange members.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: April 7, 1987
    Assignee: Korn Enterprises
    Inventors: Julius A. Korn, Charles H. Schwartz