Patents by Inventor Lawrence F. Marsch

Lawrence F. Marsch 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).

  • Consistometer with internal calibration means
    Patent number: 4044602
    Abstract: A consistometer continuously measures the consistency of a stream of material flowing through it which is provided by apparatus manufacturing the material. The consistometer includes a resilient member located in the stream of material and a reference member located outside of the stream of material and both members rotate synchronously. Sensors spatially related to the rotating member sensor provides reference member pulses in accordance with the reference member sensor sensing the passage of the reference member and a second circuit connected to the resilient member sensor provides resilient member pulses in accordance with the resilient member sensor sensing passage of the resilient member. A network provides an output corresponding to the consistency of the material in accordance with the reference member pulses and the resilient member pulses. The consistometer also includes circuitry for self calibration.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: August 30, 1977
    Assignee: Texaco Inc.
    Inventors: Kenneth O. Higgs, Lawrence F. Marsch
  • Consistometer with automatic shut-down
    Patent number: 4044603
    Abstract: A consistometer continuously measures the consistency of a stream of material flowing through it which is provided by apparatus manufacturing the material. The consistometer includes a resilient member located in the stream of material and a reference member located outside of the stream of material and both members rotate synchronously. Sensor spatially related to the rotating members provide corresponding signals. A circuit connected to the reference member sensor provides reference member pulses in accordance with the reference member sensor sensing the passage of the reference member and a second circuit connected to the resilient member sensor provides resilient member pulses in accordance with the resilient member sensor sensing passage of the resilient member. A network provides an output corresponding to the consistency of the material in accordance with the reference member pulses and the resilient member pulses.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: August 30, 1977
    Assignee: Texaco Inc.
    Inventors: Kenneth O. Higgs, Lawrence F. Marsch
  • Consistometer with sensors failure and sensors misalignment indicating means
    Patent number: 4043183
    Abstract: A consistometer continuously measures the consistency of a stream of material flowing through it. The consistometer includes a resilient member located in the stream of material and a reference member located outside of the stream of material and both members rotate synchronously. Sensors spatially related to the rotating members provide corresponding signals. A circuit connected to the reference member sensor provides reference member pulses in accordance with the reference member sensor sensing the passage of the reference member and a second circuit connected to the resilient member sensor provides resilient member pulses in accordance with the resilient member sensor sensing passage of the resilient member. A network provides an output corresponding to the consistency of the material in accordance with the reference member pulses and the resilient member pulses.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: August 23, 1977
    Assignee: Texaco Inc.
    Inventors: Kenneth O. Higgs, Lawrence F. Marsch