Patents by Inventor James Prentice Drago

James Prentice Drago 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).

  • V-slat reciprocating slat conveyors
    Patent number: 8083052
    Abstract: Movable conveyor slats (12) have side parts (42, 44) which rest on top parts (32) of bearings (30). The bearings (30) have a generally U-shaped cross section and they fit on wings (16, 18) which extend outwardly and slope upwardly from the sides of a fixed conveyor slat (10). The movable slats (12) have web (48, 50) and lower flange portions (52, 54) which with the side parts (42, 44) form laterally outwardly opening channels. The wings (16, 18) and the bearings (30) are received within the channels (56, 58).
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: December 27, 2011
    Assignee: Keith Mfg. Co.
    Inventors: James Prentice Drago, John Thomas
  • V-slat reciprocating slat conveyors
    Publication number: 20100025196
    Abstract: Movable conveyor slats (12) have side parts (42, 44) which rest on top parts (32) of bearings (30). The bearings (30) have a generally U-shaped cross section and they fit on wings (16, 18) which extend outwardly and slope upwardly from the sides of a fixed conveyor slat (10). The movable slats (12) have web (48, 50) and lower flange portions (52, 54) which with the side parts (42, 44) form laterally outwardly opening channels. The wings (16, 18) and the bearings (30) are received within the channels (56, 58).
    Type: Application
    Filed: July 30, 2008
    Publication date: February 4, 2010
    Inventors: James Prentice Drago, John Thomas
  • RECIPROCATING SLAT CONVEYORS
    Publication number: 20090000918
    Abstract: A reciprocating slat conveyor includes a plurality of side-by-side support beams (12) and conveyor slats (14) which fit onto the support beam (12). The support beams (12) are constructed from metal. The conveyor slats (14) are constructed from plastic. In one embodiment (FIGS. 1-4) the plastic slats (12) are snapped fit onto the support beams (12). In some other embodiments (FIGS. 6 and 7) the conveyor slats (110, 112) are slid lengthwise onto the support beams (102).
    Type: Application
    Filed: June 30, 2007
    Publication date: January 1, 2009
    Inventors: Scott Michael Delamarter, Daniel W. Jackson, James Prentice Drago
  • Reciprocating slat conveyors
    Patent number: 7461738
    Abstract: A reciprocating slat conveyor includes a plurality of side-by-side support beams (12) and conveyor slats (14) which fit onto the support beam (12). The support beams (12) are constructed from metal. The conveyor slats (14) are constructed from plastic. In one embodiment (FIGS. 1-4) the plastic slats (12) are snapped fit onto the support beams (12). In some other embodiments (FIGS. 6 and 7) the conveyor slats (110, 112) are slid lengthwise onto the support beams (102).
    Type: Grant
    Filed: June 30, 2007
    Date of Patent: December 9, 2008
    Assignee: Keith Manufacturing Co.
    Inventors: Scott Michael Delamarter, Daniel W. Jackson, James Prentice Drago