Patents by Inventor Thewis Westra

Thewis Westra 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).

  • Publication number: 20060048390
    Abstract: A shaving apparatus has plurality of shaving heads, each with a rotatable cutting member (5) associated with and rotatable relative to a shear plate (3). For driving the cutting members (5), a plurality of drive units (9) is provided, each of said units extending at least from drive rim (7) engaged for driving the drive unit to a coupling end (27) coupled to one of the cutting members (5) for transmitting a rotation of the drive unit (9) to the cutting member (5). The drive rims (7) of the drive units (9) are suspended for rotation about axes of rotation (20) that are oriented at angles relative to each other and diverge from each other in a direction from the drive rim (7) to the coupling (27).
    Type: Application
    Filed: January 12, 2004
    Publication date: March 9, 2006
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Sint Baron, Pieter Klokman, Bauke Kalma, Thewis Westra