Patents by Inventor Chenoa J. Jensen

Chenoa J. Jensen 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).

  • Amalgam separation
    Patent number: 6409803
    Abstract: Amalgam and other particles of four microns or more in size are removed with at least 95% efficiency from a particle-containing fluid line, preferably connected to a single dental operatory. Desirably a plurality of parallel centrifugal separators have their inlets connected to the fluid line, and gas outlets connected to a dental vacuum pump. The bottom liquid and particle outlet drains to a particle filter. The filtered water can be reintroduced into the gas flow to the vacuum pump, and the collected particles are disposed of in an environmentally sound manner.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: June 25, 2002
    Assignee: RAMVAC Corporation
    Inventors: James D. Tremel, Chenoa J. Jensen, Garland P. Krabbenhoft, Daniel F. Dolan, Robert A. Meyer