Patents by Inventor D. Christopher Etter

D. Christopher Etter 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).

  • Patent number: 5022876
    Abstract: Torque-transmitting accommodation of substantial non-alignment of rotational shaft mechanism, particularly for interconnecting a boat motor's output means (generally vertical) and the boat's submerged propeller shaft (generally horizontal). The accommodation of non-aligned portions of the transmission is provided a flexible drive shaft member, particularly here a tightly-coiled multi-layered cable, insheathed in curved tubing and the cable's flexibility provides capability of rotation in spite of a substantial bend in the transmission of the rotational power.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: June 11, 1991
    Inventor: D. Christopher Etter