Patents by Inventor Pierre M. Allemand

Pierre M. Allemand 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).

  • Electrochromic devices
    Patent number: 6178034
    Abstract: An electrochromic device is disclosed having a selective ion transport layer which separates an electrochemically active material from an electrolyte containing a redox active material. The devices are particularly useful as large area architectural and automotive glazings due to there reduced back reaction.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: January 23, 2001
    Assignee: Donnelly Corporation
    Inventors: Pierre M. Allemand, Randall F. Grimes, Andrew R. Ingle, John P. Cronin, Steve R. Kennedy, Anoop Agrawal, Jonathan M. Boulton
  • Turret alignment system
    Patent number: 4050337
    Abstract: Each chuck of the capstan is peripherally integral with a rim made from a relatively elastic material which defines, facing each indexing bore for the formation of a shock absorber/stop member, an orifice whose outlet cross-section is substantially the same as the inlet cross-section of the said bore and, in the vicinity of the indexing pin a cross-section which, at least in the direction of travel of the chuck, is larger than the cross-section of the end fitting of the said pin, each orifice having a sloping wall which converges towards the central area of the said chuck.The improvements forming the object of the invention are applicable to capstan tool holders for punching machines.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: September 27, 1977
    Assignee: S.A. Beauplat Fils & Cie
    Inventor: Pierre M. Allemand