Patents by Inventor Gerrit Soepenberg

Gerrit Soepenberg 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).

  • Drilling mud composition containing a starch product and a method for drilling a well
    Patent number: 4384963
    Abstract: A starch product suitable for use in drilling muds, a method for producing the same, a drilling mud containing said product and a method for drilling a well.The starch product is obtained by drying the debris recovered from peeling potatoes. The production is preferably performed by washing the potatoes (50) and peeling them (51), yielding rasped potatoes (56) and peel debris (51a). A great part of the water contained in said peel debris (51a) is removed in a decanter (52) and the remainder is subsequently dried (53), yielding the product (55).
    Type: Grant
    Filed: June 11, 1980
    Date of Patent: May 24, 1983
    Assignee: Gebr. Soepenberg B.V.
    Inventors: Jan Soepenberg, Gerrit Soepenberg, Albert Laarman