Patents by Inventor David J. Bayer

David J. Bayer 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).

  • Methods and apparatus for breath alcohol testing
    Patent number: 7855027
    Abstract: A fuel cell assembly includes a fuel cell, a fuel cell housing, and a diaphragm. The fuel cell housing includes an endwall and an inlet port extending through said endwall. The inlet port is for admitting a breath sample into the housing. The diaphragm is coupled within the housing such that a cavity is defined between the housing and the diaphragm. The fuel cell is positioned within the cavity and is substantially concentrically aligned with respect to the inlet port.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: December 21, 2010
    Assignees: Intoximeters, Inc., Alcotek, Inc.
    Inventors: David J. Bayer, M. Rankine Forrester
  • Handheld breath tester housing and mouthpiece
    Patent number: 7749169
    Abstract: A breath tester housing assembly is provided. The assembly comprises a housing having a base to be gripped by an operator, a display oriented to be in line with an operator's direct line of view while gripping the base, and a mouthpiece interface for interfacing with a removable mouthpiece so that when a subject blows into the mouthpiece, the display is not in the direct line of view of the subject. The assembly further comprises a mouthpiece for engaging to the mouthpiece interface. The mouthpiece comprises a body having a substantially planar surface.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: July 6, 2010
    Assignees: Intoximeters, Inc., Alcotek, Inc.
    Inventors: David J. Bayer, M. Rankine Forrester, Joe E. Fodor, Sr.
  • Handheld breath tester housing and mouthpiece
    Publication number: 20040260194
    Abstract: A breath tester housing assembly is provided. The assembly comprises a housing having a base to be gripped by an operator, a display oriented to be in line with an operator's direct line of view while gripping the base, and a mouthpiece interface for interfacing with a removable mouthpiece so that when a subject blows into the mouthpiece, the display is not in the direct line of view of the subject. The assembly further comprises a mouthpiece for engaging to the mouthpiece interface. The mouthpiece comprises a body having a substantially planar surface.
    Type: Application
    Filed: April 8, 2004
    Publication date: December 23, 2004
    Inventors: David J. Bayer, M. Rankine Forrester, Joe E. Fodor