Current Characteristic Patents (Class 246/50)
  • Patent number: 6808375
    Abstract: Open celled membranes from thermoplastic polymers are prepared from foamed polymer melts by extrusion through a die.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: October 26, 2004
    Assignee: Sartorius AG
    Inventor: Rebecca Klötzer
  • Patent number: 6082665
    Abstract: A roadable aircraft capable of flying as well as road travel. The wings of the roadable aircraft are defined by inner and outer wing panels. The outer wing panels are folded with a fold mechanism that rotates each of the outer wing panels from a substantially horizontal extended flying position to a substantially vertical extended position and then folds each of the outer panels into a direction parallel to the travel direction defined by the fuselage. An operator controlled selectable drive mechanism allows the operator to select either the propeller or drive wheel to receive power from the engine shaft.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: July 4, 2000
    Inventor: Jeffrey J. Spitzer
  • Patent number: 5876086
    Abstract: In accordance with the teachings of the present invention, there is provided a door closure apparatus for covering a single opening in a vehicle body. The apparatus including a first door, a second door and a third door, each door being pivotally supported by hinges which are concealed from view when the first, second, and third doors are in a closed position.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: March 2, 1999
    Assignee: The Budd Company
    Inventors: James P. Lagrou, Douglas A. Rozier