Patents by Inventor Gerrit W. Van der Lugt

Gerrit W. Van der Lugt 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).

  • Self-locking anchoring bolt
    Patent number: 4205587
    Abstract: A self-locking anchoring bolt provided with a shank portion to be fitted in a bolt hole, provided with an elongated locking element disposed in a correspondingly formed location which extends substantially helically in the bolt shank.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: June 3, 1980
    Inventor: Gerrit W. Van der Lugt