Patents by Inventor John Tabak

John Tabak 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).

  • Apparatus and methods for dispensing fluid
    Patent number: 6419750
    Abstract: Device for dispensing fluid, especially glue, with a main body and several application modules attached to the main body, each of which has a fluid canal which can be connected to a source of fluid and ends in an output orifice, as well as an application valve for optional interruption and release of the flow of fluid. At least one application module has an electrically operable application valve and at least one application module has a pneumatically operable application valve.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: July 16, 2002
    Assignee: Nordson Corporation
    Inventors: John Tabak, Hendrik-Jan Righolt