Patents by Inventor Carl J. Buetzow

Carl J. Buetzow 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).

  • Portable Track-Out Prevention Systems
    Publication number: 20090276969
    Abstract: A portable system for preventing the “track out” of dust, mud, and similar debris by vehicles leaving a construction site. The system provides a plurality of rollers in combination with vibratory structures designed to rotate and vibrate the vehicle tires in order to dislodge debris from the vehicle.
    Type: Application
    Filed: May 1, 2009
    Publication date: November 12, 2009
    Inventors: Carl J. Buetzow, Leroy S. Nelson
  • Recreational device
    Patent number: 4820219
    Abstract: A recreational device comprising an elastomeric body portion capable of holding compressed gas and having a surface temperature reducing coating integrally formed therewith on the outer surface thereof. The device is used in water sports where flotation is desired to reduce creature discomfort and physiological damage.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: April 11, 1989
    Inventors: Thomas H. Fortier, Jr., Carl J. Buetzow