Patents by Inventor Vincent Papotto

Vincent Papotto 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).

  • Powder feed cylinder assemblies and powder feeders
    Patent number: 8297478
    Abstract: Powder feed cylinder assemblies and powder feeders are provided. A powder feed cylinder assembly includes a cylinder, a bit, and bushings. The cylinder has a main passage, a first feed channel, and a second feed channel, each feed channel at two axial locations between the cylinder's two ends. The bit extends through the main passage and has an outer surface including a helical channel formed thereon. A center bushing is disposed in the main passage between the two axial locations and has a first axially-extending passage through which the bit extends. The first end bushing is disposed in the main passage on one side of the center bushing and has a second axially-extending passage through which the bit extends. The second end bushing is disposed in the cylinder on the other side of the center bushing and has a third axially-extending passage through which the bit extends.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: October 30, 2012
    Assignee: Honeywell International Inc.
    Inventors: Thomas Malcolm Hughes, James Brown, Vincent Papotto, Phil Roark
  • POWDER FEED CYLINDER ASSEMBLIES AND POWDER FEEDERS
    Publication number: 20100078411
    Abstract: Powder feed cylinder assemblies and powder feeders are provided. A powder feed cylinder assembly includes a cylinder, a bit, and bushings. The cylinder has a main passage, a first feed channel, and a second feed channel, each feed channel at two axial locations between the cylinder's two ends. The bit extends through the main passage and has an outer surface including a helical channel formed thereon. A center bushing is disposed in the main passage between the two axial locations and has a first axially-extending passage through which the bit extends. The first end bushing is disposed in the main passage on one side of the center bushing and has a second axially-extending passage through which the bit extends. The second end bushing is disposed in the cylinder on the other side of the center bushing and has a third axially-extending passage through which the bit extends.
    Type: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Applicant: Honeywell International Inc.
    Inventors: Thomas Malcolm Hughes, James Brown, Vincent Papotto, Phil Roark