Patents by Inventor Steve Slade

Steve Slade 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: 5515932
    Abstract: Apparatus and method for environmental surveying and prospecting for contaminants in alluvial materials and bedrock formations including using a portable pneumatic rotary percussion drilling machine, preferably pneumatic, having a gas circulation fluid to displace drill cuttings, the machine utilizing a perforated rock drill bit and hollow stem drill rod and potentially including means for lifting water and soil samples, a high pressure source of gas for unclogging perforations in the bit and means for driving and removing casing using the percussion driver.
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: May 14, 1996
    Assignee: Venture Probe, Inc.
    Inventors: Jay L. Lazarus, Van G. Baehr, Steve Slade
  • Patent number: 5407019
    Abstract: Apparatus and method for environmental surveying for contaminants in alluvial materials and bedrock formations including using a portable pneumatic rotary percussion drilling machine with an air compressor that powers the drilling and provides an air circulation fluid, the machine also utilizing a perforated rock drill bit and hollow stem drill rod; a vacuum pump is connectable with the hollow stem drill rod for sampling.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: April 18, 1995
    Assignee: Venture Probe, Inc.
    Inventors: Jay L. Lazarus, Van G. Baehr, Steve Slade