Patents by Inventor Otto Zapf

Otto Zapf 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).

  • Vehicle seat
    Patent number: 7445288
    Abstract: A vehicle seat, comprising an upholstered seat surface and an upholstered backrest, whereby the backrest may be folded forward about a first horizontal pivoting axis. A backrest element is integrated close to the front side of the upholstered backrest, which may be pivoted in the backrest about a second horizontal pivoting axis, which, in side view, is higher than the first horizontal pivoting axis. The backrest element is curved in the region of the second horizontal pivoting axis, such that an upper backrest piece is formed above the second horizontal pivoting axis and a lower backrest piece is formed below the second horizontal pivoting axis, which are inclined towards each other in the direction of the front side of the backrest.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: November 4, 2008
    Inventor: Otto Zapf
  • Vehicle Seat
    Publication number: 20070252421
    Abstract: A vehicle seat, comprising an upholstered seat surface and an upholstered backrest, whereby the backrest may be folded forward about a first horizontal pivoting axis. A backrest element is integrated close to the front side of the upholstered backrest, which may be pivoted in the backrest about a second horizontal pivoting axis, which, in side view, is higher than the first horizontal pivoting axis. The backrest element is curved in the region of the second horizontal pivoting axis, such that an upper backrest piece is formed above the second horizontal pivoting axis and a lower backrest piece is formed below the second horizontal pivoting axis, which are inclined towards each other in the direction of the front side of the backrest.
    Type: Application
    Filed: June 8, 2005
    Publication date: November 1, 2007
    Inventor: Otto Zapf
  • Portable backrest structure
    Patent number: 6959964
    Abstract: A portable backrest structure includes a base section adjustably fitted onto a piece of seating furniture, and an upright section for elevating a pivot axis above a seat part of the furniture. The backrest structure is easily movable to and installed on another piece of furniture.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: November 1, 2005
    Inventor: Otto Zapf
  • Seating furniture with downwardly movable, pivoting backrest
    Patent number: 6435615
    Abstract: In a chair having a pivoting backrest, displacement of a seated person's clothing is minimized by yieldably mounting a pivot axis for the backrest so that the pivot axis is lowered in elevation as the person's back leans against the backrest.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: August 20, 2002
    Inventor: Otto Zapf
  • Stacking chair
    Patent number: D503560
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: April 5, 2005
    Inventors: David Rowland, Otto Zapf
  • Panel connector top cap
    Patent number: D453900
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: February 26, 2002
    Assignee: The Marvel Group, Inc.
    Inventor: Otto Zapf
  • Cabinet for office furniture
    Patent number: D327794
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: July 14, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • Shelf or similar article
    Patent number: D328680
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: August 18, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • Combined dual work surface, wall panel and storage unit
    Patent number: D330295
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: October 20, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • Combined desk, wall panel and storage unit
    Patent number: D330641
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: November 3, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • Combined dual desk, wall panel and storage unit
    Patent number: D330642
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: November 3, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • Combined desk, wall panel and storage unit
    Patent number: D330643
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: November 3, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • File cabinet
    Patent number: D331335
    Type: Grant
    Filed: March 14, 1990
    Date of Patent: December 1, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • Drawer unit
    Patent number: D331513
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: December 8, 1992
    Assignee: Allsteel Inc.
    Inventor: Otto Zapf
  • Side panel
    Patent number: D382735
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: August 26, 1997
    Inventor: Otto Zapf
  • Convertible desk bureau
    Patent number: D385125
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: October 21, 1997
    Inventor: Otto Zapf
  • Drawer panel
    Patent number: D398795
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: September 29, 1998
    Inventor: Otto Zapf
  • Drawer panel
    Patent number: D402143
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: December 8, 1998
    Inventor: Otto Zapf
  • Seat back
    Patent number: D418337
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: January 4, 2000
    Inventor: Otto Zapf
  • Office chair
    Patent number: D434915
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: December 12, 2000
    Inventor: Otto Zapf