Patents by Inventor Reinhold Sander

Reinhold Sander 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).

  • Electric detonator
    Patent number: 4644863
    Abstract: An electric detonator has a casing and a pole piece electrically insulated with respect to the casing by means of an insulating cup, as well as with an ignition resistor electrically conductively connected to the casing and to the pole piece. In order to avoid undesirable charges on the insulating cup, which could be the cause of misfirings, the insulating cup is associated with an electrically conductive coating in contact with the casing and with the pole piece.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: February 24, 1987
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Richard Bender, Hellmut Bendler, Horst Penner, Reinhold Sander