Patents by Inventor Jan T. van Konijnenburg

Jan T. van Konijnenburg 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).

  • Repairing damaged refractory walls by gunning
    Patent number: 4143104
    Abstract: A method of repairing refractory walls, especially coke-oven walls is disclosed. The invention utilizes a refractory repair material selected in accordance with the wall to be repaired and not less than 5.5 nor more than 20% binder. The repair material is sprayed onto a hot wall to be repaired and the binder adheres thereto by sintering with at least the boundary surfaces of the binder undergoing vitrification.
    Type: Grant
    Filed: January 12, 1977
    Date of Patent: March 6, 1979
    Assignee: Hoogovens Ijmuiden, B.V.
    Inventors: Jan T. van Konijnenburg, Johannes A. M. Butter