Patents by Inventor Richard H. Heimann

Richard H. Heimann 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).

  • Drainage device
    Patent number: 4955874
    Abstract: A drainage device, particularly adapted for use in medical procedures for draining fluids from a body cavity of a patient, incorporating a suction control chamber dimensioned and configured to provide an enhanced air and liquid flow pattern within the chamber. The suction control chamber might also include a baffle plate for air and noise control. The drainage device might further include a seal chamber and an improved high negativity relief valve. The present invention also includes a device, having an integral sampling or injection port, for coupling tubing.
    Type: Grant
    Filed: September 27, 1988
    Date of Patent: September 11, 1990
    Assignee: Pfizer Hospital Products Group, Inc.
    Inventors: Quinton J. Farrar, Frederick A. Everett, Jr., Richard H. Heimann
  • Drainage device for draining bodily fluids from a patient
    Patent number: D324102
    Type: Grant
    Filed: September 27, 1988
    Date of Patent: February 18, 1992
    Assignee: Pfizer Hospital Products Group, Inc.
    Inventors: Quinton J. Farrar, Frederick A. Everett, Jr., Richard H. Heimann