Patents by Inventor Pieter Wapperom

Pieter Wapperom 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).

  • Movable projector unit for gamma radiation for welding control purposes with pipe-lines and the like
    Patent number: 4516256
    Abstract: A movable projector unit for welding control purposes with pipe-lines and the like, comprising a motor driven carriage, a carriage mounted projector for gamma radiation provided with a protective housing having an axially extending channel therein for the movement of a holder for a radio-active source, and a micro-pneumatic device to move said source holder from the shielded rest position in the housing to an exposure position and back, and a remotely controllable, electronic unit to control the motor of the carriage and the micro-pneumatic device of the projector.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: May 7, 1985
    Assignee: Rontgen Technische Dienst B.V.
    Inventor: Pieter Wapperom