Patents by Inventor Prochaska, Sr., John J.

Prochaska, Sr., John J. 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).

  • Aquatic vegetation harvester
    Patent number: 5069023
    Abstract: An aquatic vegetation harvester comprises a barge having a vegetation cutter extending forwardly thereof and a conveyor extending aft. Hydraulic cylinders effect elevation of the aft end of the conveyor relative to the barge. A pair of laterally spaced, laterally adjustable paddle wheels on the sides of the barge effect propulsion thereof.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: December 3, 1991
    Assignee: Modtech Industries, Inc.
    Inventors: Prochaska, Sr., John J., Joseph M. Wright