Patents by Inventor Randal L. Rocca

Randal L. Rocca 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: 5042240
    Abstract: A recovery apparatus having a frame adapted for earth traversing movement along an elongated sheet bearing a crop to recover the crop; a first conveyor mounted on the frame for receiving the sheet and conveying the sheet therealong; a second conveyor mounted on the frame for overlaying the sheet and the crop borne thereby on the first conveyor and moving in a complementary direction to the first conveyor; finger members mounted on the second conveyor to maintain space between the second conveyor and the crop borne by said sheet to feed the sheet and the crop borne thereby along the first conveyor without damage to the crop; a vacuum system borne by the frame for removing extraneous material from the crop; and a mechanism for separating the crop from the sheet.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: August 27, 1991
    Inventors: Earl R. Rocca, Randal L. Rocca