Patents by Inventor by Laura P. Broussard, heir

by Laura P. Broussard, heir 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: 5101896
    Abstract: What is provided is a system for washing and cleaning sections of drill pipe being tripped out of the hole, and the system including a cylindrical housing having a central opening therethrough, the cover sections movable between open and closed positions by hinged joint along one edge, utilizing a system of hydraulic system cylinders, and in the closed position, maintain closed for defining a chamber therewithin. Within the housing chamber there is further included a wiper member, which comprises a circular member of rubberized material having a bore through its central axis through which sections of pipe travel during the cleaning process, the bore being a width so as to frictionally engage and wipe the wall of a section of drill pipe. The wiper would be spaced apart from the housing and housed within an annular channel along the inner surface of the housing so that the wiper would be stationary within the housing as the housing is placed in the closed position.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: April 7, 1992
    Inventors: J. P. Thompson, Henry Guillory, deceased, by Margaret S. Guillory, executor, by Carroll L. Guillory, heir, by Laura P. Broussard, heir, Alfred J. Thomas, II