Patents by Inventor Leo Chin

Leo Chin 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).

  • Publication number: 20110022136
    Abstract: Methods and apparatuses for temperature modification of a patient, or selected regions thereof, including an induced state of hypothermia. The temperature modification is accomplished using an in-dwelling heat exchange catheter within which a fluid heat exchange medium circulates. A heat exchange cassette is attached to the circulatory conduits of the catheter, the heat exchange cassette being sized to engage a cavity within a control unit. The control unit includes a heater/cooler device for providing heated or cooled fluid to a heat exchanger in thermal communication with the fluid heat exchange medium circulating to the heat exchange catheter, a user input device, and a processor connected to receive input from various sensors around the body and the system. A temperature control scheme for ramping the body temperature up or down without overshoot is provided.
    Type: Application
    Filed: October 4, 2010
    Publication date: January 27, 2011
    Applicant: ZOLL CIRCULATION, INC.
    Inventors: David J. Scott, Ben F. Brian, Lloyd F. Wright, Leo A. Chin, Edward W. Hollmen, Daniel W. Seegars, Mark A. Logan
  • Patent number: 7806915
    Abstract: Methods and apparatuses for temperature modification of a patient, or selected regions thereof, including an induced state of hypothermia. The temperature modification is accomplished using an in-dwelling heat exchange catheter within which a fluid heat exchange medium circulates. A heat exchange cassette is attached to the circulatory conduits of the catheter, the heat exchange cassette being sized to engage a cavity within a control unit. The control unit includes a heater/cooler device for providing heated or cooled fluid to a heat exchanger in thermal communication with the fluid heat exchange medium circulating to the heat exchange catheter, a user input device, and a processor connected to receive input from various sensors around the body and the system. A temperature control scheme for ramping the body temperature up or down without overshoot is provided.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: October 5, 2010
    Assignee: Zoll Circulation, Inc.
    Inventors: David J. Scott, Ben F. Brian, Lloyd F. Wright, Leo A. Chin, Edward W. Hollmen, Daniel W. Seegars, Mark A. Logan
  • Publication number: 20060293734
    Abstract: Methods and apparatuses for temperature modification of a patient, or selected regions thereof, including an induced state of hypothermia. The temperature modification is accomplished using an in-dwelling heat exchange catheter within which a fluid heat exchange medium circulates. A heat exchange cassette is attached to the circulatory conduits of the catheter, the heat exchange cassette being sized to engage a cavity within a control unit. The control unit includes a heater/cooler device for providing heated or cooled fluid to a heat exchanger in thermal communication with the fluid heat exchange medium circulating to the heat exchange catheter, a user input device, and a processor connected to receive input from various sensors around the body and the system. A temperature control scheme for ramping the body temperature up or down without overshoot is provided.
    Type: Application
    Filed: April 27, 2006
    Publication date: December 28, 2006
    Inventors: David Scott, Ben Brian, Lloyd Wright, Leo Chin, Edward Hollmen, Daniel Seegars, Mark Logan
  • Patent number: 5729271
    Abstract: A heating device for desensitizing migration imaging film on an external imaging member scanner. The heating device is curved and has a large surface area to provide maximum heating efficiency. The heating device is mounted to a bracket connected to a scanner cartridge and moves integrally with the scanner cartridge in the direction of the longitudinal axis of the imaging member. The heating device heats the migration imaging film to a temperature to ensure that the surface charge on the film is changed, but is less than a temperature needed for selenium particle migration. As a result, the selenium in the migration imaging film is no longer sensitive under daylight conditions. Thus, the migration imaging film can be removed and heated under daylight conditions providing a significant advantage over film that must be removed and heated under red light conditions.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: March 17, 1998
    Assignee: Xerox Corporation
    Inventors: Irena Makarchuk, Sandra Graveson, Robert J. Kleckner, Leo Chin, Abu S. Islam
  • Patent number: 5669032
    Abstract: An apparatus and method of developing a heat developing film includes a film support surface for supporting and constraining a film and heaters for developing the film supported on the film constraining surface. The film constraining surface may either be stationary or form part of a film transport. The film transport may either be a continuous film transport or a reciprocating film transport. The continuous film transport may be inclined or include an input pinch roller. In addition, the heaters may either be stationary, reciprocatable, or pivotable. The heat is applied by conduction and may include a profiled heater output to control uniformity of the temperature. The apparatus may be provided as a stand-alone unit or may be coupled, either externally to or within, a film exposure device.
    Type: Grant
    Filed: October 27, 1995
    Date of Patent: September 16, 1997
    Assignee: Xerox Corporation
    Inventors: Abu S. Islam, Robert J. Kleckner, Leo Chin, Sandra Graveson
  • Patent number: 5644379
    Abstract: An apparatus and technique to guide a fabric conveyor belt by alignment of the fabric weaves with a mating fabric on a vacuum platen is described. The technique functions in a manner similar to an edge guide, however the correcting forces are applied over the surface of the belt as opposed to the edge of the belt. Robust tracking can be achieved and the need for frequent adjustments of the conveyor rollers by the user is eliminated.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: July 1, 1997
    Assignee: Xerox Corporation
    Inventors: Leo Chin, Abu S. Islam, Sandra Graveson, Robert J. Kleckner
  • Patent number: 5634167
    Abstract: An apparatus and method of developing a heat developing film includes a film support surface for supporting and constraining a film and heaters for developing the film supported on the film constraining surface. The film constraining surface may either be stationary or form part of a film transport. The film transport may either be a continuous film transport or a reciprocating film transport. The continuous film transport may be inclined or include an input pinch roller. In addition, the heaters may either be stationary, reciprocatable, or pivotable. The heaters are radiant heaters which may include a profiled heater output to control uniformity of the temperature. The apparatus may be provided as a stand-alone unit or may be coupled, either externally to or within, a film exposure device.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: May 27, 1997
    Assignee: Xerox Corporation
    Inventors: Abu S. Islam, Robert J. Kleckner, Leo Chin, Sandra Graveson, Anthony A. Klein
  • Patent number: 5587767
    Abstract: An apparatus and method of developing a heat developing film includes a film support surface for supporting a film and heaters for developing the film supported on the film support surface. The film support surface may either be stationary or form part of a film transport. The film transport may either be a continuous film transport or a reciprocating film transport. The continuous film transport may be inclined or include an input pinch roller. In addition, the heaters may either be stationary, reciprocatable, or pivotable. The heaters are radiant heaters which may include a profiled heater output to control distortion of the film. The apparatus may be provided as a stand-alone unit or may be coupled, either externally to or within, a film exposure device.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: December 24, 1996
    Assignee: Xerox Corporation
    Inventors: Abu S. Islam, Robert J. Kleckner, Leo Chin, Hardy Sonnenberg, Anthony A. Klein