Patents by Inventor Ronald Kimball

Ronald Kimball 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).

  • Optical fiber and method for making such fiber
    Publication number: 20050271347
    Abstract: According to one example of the invention an optical fiber comprises: (i) silica based, rare earth doped core having a first index of refraction n1; (ii) at least one silica based cladding surrounding the core and having a second index of refraction n2, such that n1>n2; wherein at least one of the core or cladding is doped with Al2O3, such that the ratio of max wt % to min wt % of Al2O3 concentration is less than 2:1
    Type: Application
    Filed: February 11, 2005
    Publication date: December 8, 2005
    Inventors: Ronald Kimball, Robert Knowlton, Joseph McCarthy, Ji Wang, Donnell Walton, Luis Zenteno
  • Reciprocating driver apparatus
    Patent number: 5415489
    Abstract: A mechanical coupling including a drive shaft reciprocable on an axis; an actuator shaft mounted for reciprocating rectilinear motion on the axis; and a coupling mechanism for transmitting reciprocating motion of the drive shaft to the actuator shaft; the coupling mechanism including a pivot joint allowing relative pivotal movement between the drive shaft and the actuator shaft, and a translational joint allowing relative translational movement between the drive shaft and the actuator shaft in directions transverse to the axis, the translational joint having a flexible link connecting the pivot joint and the drive shaft.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: May 16, 1995
    Assignee: Zymark Corporation
    Inventors: Burleigh M. Hutchins, Raymond R. Dunlap, Timothy J. Conklin, Bruce A. Swanson, John Petracca, Louis Abhrahams, Ronald A. Kimball
  • Liquid chromatography system
    Patent number: 5393420
    Abstract: A liquid chromatography system including a liquid pump having a pumping chamber, an inlet port, an outlet port, and a purge port, all communicating with the pumping chamber; a separation column; an outlet valve connected between the outlet port and the separation column and adapted to control liquid flow therebetween; a source of mobile phase; an inlet valve connected between the inlet port and the source and adapted to control liquid flow therebetween; and a purge valve connected to the purge port.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: February 28, 1995
    Assignee: Zymark Corporation
    Inventors: Burleigh M. Hutchins, Raymond R. Dunlap, Timothy J. Conklin, Bruce A. Swanson, John Petracca, Louis Abrahams, Ronald A. Kimball
  • Liquid chromatography method
    Patent number: 5393434
    Abstract: A liquid chromatography system including a liquid pump having a pumping chamber, an inlet port, an outlet port, and a purge port, all communicating with the pumping chamber; a separation column; an outlet valve connected between the outlet port and the separation column and adapted to control liquid flow therebetween; a source of mobile phase; an inlet valve connected between the inlet port and the source and adapted to control liquid flow therebetween; and a purge valve connected to the purge port.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: February 28, 1995
    Assignee: Zymark Corporation
    Inventors: Burleigh M. Hutchins, Raymond R. Dunlap, Timothy J. Conklin, Bruce A. Swanson, John Petracca, Louis Abrahams, Ronald A. Kimball