Patents by Inventor Benjamin F. Weiner

Benjamin F. Weiner 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).

  • Blood sedimentation rate test means
    Patent number: 4197735
    Abstract: Means for conducting a blood sedimentation rate test in the primary blood collecting vessel. The invention provides a plunger for said primary blood collecting vessel, a calibrated measuring tube connected to said plunger, and pressure actuated, normally closed valve means in said plunger operative between the blood collecting vessel and the calibrated measuring tube. In the operation of this device, blood is transferred directly from the primary blood collecting vessel to the calibrated measuring tube without intermediate handling.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: April 15, 1980
    Assignee: Chase Instruments Corporation
    Inventors: Robert A. Munzer, Benjamin F. Weiner