Patents by Inventor Wesley D. Blank

Wesley D. Blank 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).

  • Angle of repose valve
    Patent number: 5205998
    Abstract: An apparatus and process for maintaining the purity of solid/granular product and dispensing high purity granular product from a vessel. A noncontaminating surface is provided by a cup, cylinder, or other structure having a surface of silicon, silicon carbide, silicon nitride, sialon, or similar materials and preferably operates as an angle of repose valve in a pressurized system to prevent contamination by undue contact of the high purity product with conventional gastight valves such as ball valves, butterfly valves, pinch valves, etc.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: April 27, 1993
    Assignee: Ethyl Corporation
    Inventors: James E. Boone, David W. Owens, Robert E. Farritor, Wesley D. Blank
  • Angle of repose valve
    Patent number: 5202099
    Abstract: An apparatus and process for maintaining the purity of solid/granular product and dispensing high purity granular product from a vessel. A noncontaminating surface is provided by a cup, cylinder, or other structure having a surface of silicon, silicon carbide, silicon nitride, sialon, or similar materials and preferably operates as an angle of repose valve in a pressurized system to prevent contamination by undue contact of the high purity product with conventional gastight valves such as ball valves, butterfly valves, pinch valves, etc.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: April 13, 1993
    Assignee: Ethyl Corporation
    Inventors: James E. Boone, David W. Owens, Robert E. Farritor, Wesley D. Blank
  • Production of silicon
    Patent number: 5059410
    Abstract: An apparatus and process for maintaining the purity of solid/granular product and dispensing high purity granular product from a vessel. A noncontaminating surface is provided by a cup, cylinder, or other structure having a surface of silicon, silicon carbide, silicon nitride, sialon, or similar materials and preferably operates as an angle of repose valve in a pressurized system to prevent contamination by undue contact of the high purity product with conventional gastight valves such as ball valves, butterfly valves, pinch valves, etc.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: October 22, 1991
    Assignee: Ethyl Corporation
    Inventors: James E. Boone, David W. Owens, Robert E. Farritor, Wesley D. Blank
  • Fluidized bed reactor
    Patent number: 4806317
    Abstract: An apparatus for maintaining the purity of solid/granular product and dispensing high purity granular product from a vessel. A noncontaminating surface is provided by a cup, cylinder, or other structure having a surface of silicon, silicon carbide, silicon nitride, sialon, or similar materials and preferably operates as an angle of repose valve in a pressurized system to prevent contamination by undue contact of the high purity product with conventional gastight valves such as ball valves, butterfly valves, pinch valves, etc.
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: February 21, 1989
    Assignee: Ethyl Corporation
    Inventors: James E. Boone, David W. Owens, Robert E. Farritor, Wesley D. Blank
  • Rotary drum filter
    Patent number: 4308143
    Abstract: A rotary drum filter apparatus comprising a rotary drum, a plurality of axial, parallel slots spaced circumferentially around the drum, a filter cloth positioned peripherally around the drum and portions thereof extending into each of the axial slots, flexible metal means inserted into each of the slots over the portion of the filter cloth extending into the slots and caulking means for holding each of the metal means and each of said portions of said filter cloth in a locked position in their respective axial slots. The metal means may comprise a stranded metal cable wherein caulking means are unnecessary.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: December 29, 1981
    Assignee: Ethyl Corporation
    Inventors: Alvin E. Harkins, Jr., Wesley D. Blank