Patents by Inventor Louis H. Ramhorst

Louis H. Ramhorst 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).

  • Wild well control method and apparatus
    Patent number: 4201267
    Abstract: Uncontrolled fluid flow from an open cased well is closed off by (a) inserting a probe tool having an elongated lower cylindrical member slidably fitable inside the casing (the member having a seal circumscribing its diameter and a valve about its upper end) into the end of the casing such that the flow is shut off, (b) fastening the valve to the end of the casing, (c) withdrawing the probe, and (d) shutting off the valve.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: May 6, 1980
    Inventor: Louis H. Ramhorst