Patents by Inventor Gerald H. Herlinger

Gerald H. Herlinger 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).

  • Apparatus and method for conducting an unsupervised blood alcohol content level test
    Patent number: 5303575
    Abstract: An automated unsupervised apparatus for conducting a blood alcohol content level test on an individual user, and subsequently discerning and displaying a meaningful test result, is disclosed. The apparatus comprises an alphanumeric display for instructing the individual user to blow into the apparatus so as to provide a breath sample. A pressure switch is used to monitor the gauge pressure of the individual user's breath sample in order to determine whether the gauge pressure is at or above a threshold value for a predetermined length of time, typically three seconds. The alphanumeric display instructs the individual user to wait and blow again in the event that the gauge pressure does not remain at or above the threshold value for the predetermined length of time. A testing sample of the individual user's breath sample is captured in a fuel cell type alcohol concentration sensor.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: April 19, 1994
    Assignee: Alcotech Research Inc.
    Inventors: Gordon R. Brown, Gerald H. Herlinger