Plug actuated by contact with fluid

Patents Grantslast 30 patents

  • Information Patent Grant

    Viscoelastic memory means and flow control valve and use thereof to...

    • Patent number 6,080,461
    • Issue date Jun 27, 2000
    • The Johns Hopkins University
    • John J. Wozniak
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Syringe

    • Patent number 5,480,384
    • Issue date Jan 2, 1996
    • Rengstorff; Roy H.
    • Donald J. Highgate
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Single-use, self-annulling injection syringe

    • Patent number 4,781,683
    • Issue date Nov 1, 1988
    • The Johns Hopkins University
    • John J. Wozniak
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents