Patents by Inventor Aden Allen

Aden Allen 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).

  • Retaining ring with shaped surface
    Publication number: 20050191947
    Abstract: A retaining ring can be shaped by machining or lapping the bottom surface of the ring to form a shaped profile in the bottom surface. The bottom surface of the retaining ring can include flat, sloped and curved portions. The lapping can be performed using a machine that dedicated for use in lapping the bottom surface of retaining rings. During the lapping the ring can be permitted to rotate freely about an axis of the ring. The bottom surface of the retaining ring can have curved or flat portions.
    Type: Application
    Filed: November 12, 2004
    Publication date: September 1, 2005
    Inventors: Hung Chen, Steven Zuniga, Charles Garretson, Douglas McAllister, Jian Lin, Stacy Meyer, Sidney Huey, Jeonghoon Oh, Trung Doan, Jeffrey Schmidt, Martin Wohlert, Kerry Hughes, James Wang, Danny Cam Lu, Romain Beau De Lamenie, Venkata Balagani, Aden Allen, Michael Fong