Patents by Inventor Mark Henry Sprenkle

Mark Henry Sprenkle 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).

  • Clog detection in a clinical sampling pipette
    Patent number: 7867769
    Abstract: Analyzing the pressure profile generated during a predetermined period of time prior to the end of an aspiration or dispensing process and comparing a pressure reading to predetermined values to determine if the aspiration or dispensing pipette was free of clogs.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: January 11, 2011
    Assignee: Siemens Healthcare Diagnostics Inc.
    Inventors: William David Dunfee, Mark Henry Sprenkle
  • CLOG DETECTION IN A CLINICAL SAMPLING PIPETTE
    Publication number: 20090075386
    Abstract: Analyzing the pressure profile generated during a predetermined period of time prior to the end of an aspiration or dispensing process and comparing a pressure reading to predetermined values to determine if the aspiration or dispensing pipette was free of clogs.
    Type: Application
    Filed: September 19, 2007
    Publication date: March 19, 2009
    Applicant: DADE BEHRING INC.
    Inventors: William David Dunfee, Mark Henry Sprenkle