Patents Assigned to Steve Washuta
  • Permeability tester
    Patent number: 5394737
    Abstract: An apparatus for testing the permeability of shredded elastomeric material which contains a vessel, a bed of tire chips in the vessel, and a fluid inlet which communicates with a first fluid outlet and a second fluid outlet through the bed of tire chips. The first fluid outlet is provided with a cap for optionally preventing fluid flow through it. The second fluid outlet is higher than both the fluid inlet and the first fluid outlet. A plate located above the bed of tire chips is used to compress the tire chips.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: March 7, 1995
    Assignee: Steve Washuta
    Inventors: William A. Prange, Brent F. Minet
  • Process for producing a landfill
    Patent number: 5372459
    Abstract: A process for producing a landfill from a specified landfill site is disclosed. In the first step of this process, leachate from the landfill site is collected. Thereafter a specified shredded material is contacted with the leachate to age it, the horizontal permeability of the aged shredded material is then tested with a specified permeability tester; if the test is successful, the shredded material is used in the landfill and covered with waste material.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: December 13, 1994
    Assignee: Steve Washuta
    Inventors: William A. Prange, Brent F. Minet
  • Process for producing a landfill
    Patent number: 5246310
    Abstract: A process for producing a landfill from a specified landfill site is disclosed.In the first step of this process, leachate from the landfill site is collected. Thereafter a specified shredded material is contacted with the leachate to age it, the horizontal permeability of the aged shredded material is then tested with a specified permeability tester; if the test is successful, the shredded material is used in the landfill and covered with waste material.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: September 21, 1993
    Assignee: Steve Washuta
    Inventors: William A. Prange, Brent E. Minet