Patents by Inventor Alain Hammami

Alain Hammami 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).

  • Single-use hypodermic syringe
    Patent number: 5152752
    Abstract: a) Single-use hypodermic syringeb) the said syringe being characterized in that: the front closed face (31) of the adaptor (3) comprises a fragile wall (34), the rear face (32) of the adaptor comprises in addition to the orifice (33), at least one other aperture (35) which is situated outside the field of contact of the drive nipple (4) and of the adaptor (3), producing communication between the adaptor (3) and the rear chamber (12) of the barrel (1), the drive nipple (4) carries on its tip (43) which receives the adaptor (3) a spike (44) intended to pierce the fragile wall (34) under the action of the piston propulsion movement.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: October 6, 1992
    Inventor: Alain Hammami