Patents by Inventor Mark J. Boudreaux

Mark J. Boudreaux 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).

  • Shaft immobilizer apparatus
    Patent number: 4464127
    Abstract: A propeller shaft immobilizer having a substantially hollow, open ended rectangular lower base portion fixedly mounted to the floor portion of a boat. An upper support base portion is slidably mounted on the lower base portion to allow vertical movement of the upper base portion. Upper and lower engaging surfaces are movably mounted on the upper base portion and movable by hydraulic power to frictionally engage the propeller shaft to be immobilized.
    Type: Grant
    Filed: April 8, 1982
    Date of Patent: August 7, 1984
    Inventor: Mark J. Boudreaux