Patents by Inventor Zalman Mer

Zalman Mer 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).

  • Patent number: 5277456
    Abstract: An adaptor for use with an electrofusion fitting for enabling a thermoplastic pipe to be coupled to a dissimilar pipe includes a housing sleeve for coupling at one end to the dissimilar pipe with the opposite end being formed on its outer surface with an annular ribbed section covered by a plastic sleeve. An anchoring ring overlies the annular ribbed section of the housing sleeve and is effective to firmly anchor the plastic sleeve to the annular ribbed section of the housing sleeve during electrofusion of the plastic sleeve to one end of an electrofusion fitting, and of the plastic pipe to the opposite end of the electrofusion fitting.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: January 11, 1994
    Assignee: Plasson Margan Michael Industries Ltd.
    Inventors: Zalman Mer, Ernest Lever