Patents by Inventor Gregory D. De Boer

Gregory D. De Boer 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).

  • Patent number: 5934351
    Abstract: A slatted blind (10) includes a headrail (12) with a pair of ladder cords (16, 18) depending therefrom with slats (14) supported on the wefts (44, 52) extending between the warps (42a,b, 50a,b) of each cord and further includes a tilt mechanism (20) to extend one warp of each cord and to retract the other in order to tilt the slats. The preferred tilt mechanism (20) includes a pair of slides (60, 62) positioned on the bottom wall (26) of the headrail (12). The ends of the warps (42a,b, 50a,b) are coupled with the slides (60, 62) on opposed sides of respective cord holes (82, 90) defined through the slides (60, 62) and extend therethrough and also through respective cord openings (30, 32) in the bottom wall. Back and forth shifting of the slides (60, 62) along the bottom wall (26) alternately extend one warp of each cord and retract the other in order to tilt the slats.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: August 10, 1999
    Assignee: Pella Corporation
    Inventors: Rashid Bharucha, Gregory D. De Boer, William R. Guthrie, John Scharff, Howard C. Anderson, III
  • Patent number: 5927039
    Abstract: A fenestration product such as a window (10) includes frame members (20,22,24,26) with a joint (38,40) therebetween defining a corner, mounting fins (32,34,36) extending from the frame members (20,22,24,26) with gaps (42,44) therebetween, and sealing pieces (28,30) adhered to the fins (32,34,36) on opposed sides of the gaps (42,44) in spanning relationship therewith. A covering portion (58) of a respective sealing piece extends onto and adheres to the frame members on opposed sides of the joint thereby providing a positive seal at the window corner.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: July 27, 1999
    Assignee: Pella Corporation
    Inventor: Gregory D. De Boer