Patents by Inventor John Zenon G. Vallinan

John Zenon G. Vallinan 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).

  • Ionizer with a needle cleaning device
    Patent number: 9948071
    Abstract: An ionizer, including: an ionizing electrode for ionizing air and having a longitudinal first direction; and a cleaning member including a plurality of spaced apart bundles of bristles for cleaning the ionizing electrode when the cleaning member comes into contact with the ionizing electrode, each bundle of bristles in the plurality of spaced apart bundles of bristles being offset relative to the other bundles of bristles in the plurality of spaced apart bundles of bristles along the first direction and along a second direction perpendicular to the first direction.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: April 17, 2018
    Assignee: Desco Industries, Inc.
    Inventors: Qinfei Chen, Chee Ming Ng, Kam Poi Chia, John Zenon G Vallinan, Yoshiaki Sato, Siarhei V. Savich
  • Universal Docking System
    Patent number: 6271658
    Abstract: An apparatus for quickly and reliably aligning a semiconductor handling apparatus with a semiconductor tester. Two docking plates are attached, one to the device handler and one to the device tester. On the docking plates a substructure is mounted which first allows initial alignment of the handler plate with the test head plate after which the substructure provides the means of securely positioning and interlocking the handler plate with the test head.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: August 7, 2001
    Assignee: ST Assembly Test Services Pte, Ltd.
    Inventors: John Zenon G. Vallinan, Chee-Keong Tan