Patents by Inventor Andries G. De Lange

Andries G. De Lange 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).

  • Disposable automatic needle cover assembly with safety lock
    Patent number: 5098401
    Abstract: A needle assembly and flexible automatic needle cover, with a safety lock which can be used with any conventional hypodermic syringe. The needle assembly has an off-centered conical end. The automatic needle cover is fixed to the off-centered conical end and is flexible. The automatic needle cover has evenly spaced incisions along part of its length, and a groove around the bottom. The bottom part of the automatic needle cover is solid except for an off-centered orifice. Fitting over the front of the automatic needle cover is the safety lock with an off-centered orifice during use. The safety lock can be rotated around the automatic needle cover to close the needle after use.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: March 24, 1992
    Inventor: Andries G. De Lange