Patents by Inventor Wallace J. Trochesset

Wallace J. Trochesset 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).

  • Probe chromatograph apparatus and method
    Patent number: 5741960
    Abstract: A probe chromatograph apparatus and method is provided which engages directly the process stream from which the sample is taken. The probe chromatograph apparatus is a simple, miniaturized chromatograph installed directly into the source pipeline or vessel. An analyzer mechanism extends through a pipe nipple into the fluid flow from which the sample is drawn. A sampling mechanism transfers a fixed volume of sample into the probe chromatograph apparatus. Means for separating the sample into its constituents is provided, and a detector is provided for sensing and measuring the quantity of the respective constituents.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: April 21, 1998
    Assignee: Daniel Industries, Inc.
    Inventors: Glen D. Payne, Wallace J. Trochesset, Edward M. Browne