Patents by Inventor Roger R. Rohrdanz

Roger R. Rohrdanz 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).

  • Patent number: 7282181
    Abstract: A fluid collection and testing device includes a collection vial having a bottom and an open top along with an expresser sized for insertion into the vial open end. The expresser includes a ribbed base enabling fluid to pass therethrough and a support member holds the expresser within the collection vial with the ribbed base in a spaced apart relationship with the vial bottom. A fluid collector includes an absorbent member capturing a fluid and the absorbent member is sized for insertion into the expresser and is compressible against the ribbed base for releasing captured fluid through the ribbed base and into the vial bottom. A catch mechanism is provided for latching the fluid collector to the expresser after insertion into the expresser for enabling simultaneous removal of the expresser and the fluid collector from the collection vial.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: October 16, 2007
    Assignee: Varian Inc.
    Inventors: Andrew T. Hudak, David M. Tierney, Daniel D. Wang, Robert L. Grenz, Roger R. Rohrdanz, Kelly C. Alejandro, Robert K. Galloway
  • Publication number: 20020093147
    Abstract: A seal is provided for a well plate having a plurality of wells with each well having an opening in one end therein for influxing a fluid and another end thereof for effluxing the fluid. The seal includes a planar member having a top and bottom and a plurality of recess formed in the top and a plurality of cups formed in the bottom. A plurality of recesses are uniformly spaced apart from one another and each recess is sized for sealably engaging a corresponding well tip. The plurality of cups are uniformly spaced apart from another and sized for sealably engaging a corresponding well opening in order to enable the member to effect a sealed engagement with all of the well openings or all of the well tips.
    Type: Application
    Filed: May 4, 2001
    Publication date: July 18, 2002
    Inventors: Michael J. Berna, Roger Q. Roberts, Robert L. Grenz, Roger R. Rohrdanz
  • Patent number: D464734
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: October 22, 2002
    Assignees: Varian, Inc., Eli Lilly and Company
    Inventors: Michael J. Berna, Roger Q. Roberts, Robert L. Grenz, Roger R. Rohrdanz