Patents by Inventor Charles W. Schuler

Charles W. Schuler 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).

  • Patent number: 4399829
    Abstract: A tapping apparatus and method for making connections to pipelines and vessels while they are in service and contain fluid under pressure. The tapping apparatus and method includes an explosively driven punch that is operated to penetrate the pipeline. A tensile force is applied to retract the punch, and allow the fluid to pass from the pipeline through the apparatus and into the service connection.
    Type: Grant
    Filed: April 6, 1981
    Date of Patent: August 23, 1983
    Inventor: Charles W. Schuler