Patents by Inventor Juha Petri Sipila

Juha Petri Sipila 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).

  • Filter having part of a resonator and integral shell extruded from one basic block
    Patent number: 5990763
    Abstract: The invention relates to a filter and a method for manufacturing a filter. The filter comprises a shell construction with a wall construction and a bottom portion, which form at least one section in the shell construction. The filter further comprises at least one resonator within a section of the shell construction. At least the bottom portion of the shell construction and one or more resonators, or at least the part thereof close to the bottom portion of the shell construction, are an integral unit extruded from the same basic block in one piece.
    Type: Grant
    Filed: August 5, 1996
    Date of Patent: November 23, 1999
    Assignee: ADC Solitra OY
    Inventor: Juha Petri Sipila