Patents by Inventor Mark V. Wareing

Mark V. Wareing 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).

  • Vacuum bottle with pressure indicator
    Patent number: 4706830
    Abstract: A vacuum drainage bottle includes a chamber for receiving fluids from a patient and a pressure indicator (9,21) for measuring the pressure in the chamber. Prior to use, the pressure indicator is isolated from the chamber by means of a breakable seal. The seal may be in the form of a recessed membrane (43), which may be ruptured by depressing the pressure indicator, causing a ball (45) to bear against the membrane (43).
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: November 17, 1987
    Assignee: Johnson & Johnson Products, Inc.
    Inventor: Mark V. Wareing