US Patent No: D442791

Number of patents in Portfolio can not be more than 2000

Chair

2 Status Updates

Stats

ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
STEELCASE DEVELOPMENT CORPORATIONGRAND RAPIDS, MI641

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dammermann, Arnold B Winona, MN 35 724
Eich, Thomas B Palo Alto, CA 32 300
Heidmann, Kurt R Grand Rapids, MI 101 1641
Jenkins, David C Grand Rapids, MI 32 1143
Overthun, Thomas San Francisco, CA 99 786
Simons, Jr George J Bellevue, WA 25 283
Teppo, David S East Grand Rapids, MI 35 876

Cited Art

Patent Info (Count) # Cites Year
 
STEELCASE DEVELOPMENT CORPORATION (12)
D351070 Chair 26 1993
5,385,388 Split back chair 111 1993
5,577,807 Adjustable chair actuator 91 1994
D383322 Seating unit 17 1995
D390385 Seating unit 12 1996
D396975 Seating unit 5 1997
D414349 Chair 42 1997
D420538 Chair 18 1998
D411928 Chair 48 1998
D421540 Chair back 10 1999
D427816 Back component for a chair 4 1999
D431741 Chair arm 4 1999
 
Herman Miller, Inc. (5)
4,529,247 One-piece shell chair 113 1982
D346279 Chair 98 1992
D365453 Chair 19 1994
5,599,067 Adjustable arm rest assembly 68 1995
5,667,277 Height adjustable arm rest assembly 48 1995
 
HNI TECHNOLOGIES INC. (4)
D362973 Swivel chair 71 1993
D362974 Swivel chair 29 1993
D371683 Office chair 14 1994
D401771 Chair 42 1997
 
BOATMEN'S A NATIONAL BANK OF ST. LOUIS, AS AGENT (2)
4,911,501 Suspension mechanism for connecting chair backs and seats to a pedestal 75 1989
D330478 Seat 18 1989
 
Haworth, Inc. (2)
D277143 Chair 29 1980
D393755 Chair 40 1997
 
KNOLL, INC. (2)
D339927 Chair 30 1990
D352181 Chair 14 1993
 
WILKHAHN WILKENING + HAHNE GMBH + CO. (2)
4,451,085 Chair 74 1981
4,509,793 Chair 48 1983
 
Allsteel Inc. (1)
D309384 Seat 25 1987
 
AMERICAN SEATING COMPANY (1)
4,861,108 Auditorium seat 34 1988
 
Brayton International Collection (1)
D320507 Chair 59 1988
 
BRUNSWICK BOWLING & BILLIARDS CORPORATION (1)
D367982 Blow molded seat 14 1995
 
Castelli S.p.A. (1)
D320704 Chair 17 1987
 
Chairtech, S.A. (1)
D380110 Chair 10 1995
 
CHROMCRAFT CORPORATION (1)
D349621 Chair arm 52 1993
 
CR CHROMCRAFT, INC. (1)
5,382,079 Adjustable arm attachable to a chair body 78 1993
 
F.-MARTIN STEIFENSAND BUEROMOEBEL GMBH (1)
D398163 Chair 24 1996
 
Fehlbaum & Co. (1)
D328199 Chair 14 1989
 
GISPEN + STAALMEUBEL B.V. (1)
D272204 Chair 27 1981
 
GLOBAL UPHOLSTERY COMPANY (1)
D395366 Chair 12 1996
 
GUNLOCKE COMPANY, THE (1)
D381525 Chair 17 1995
 
KIMBALL INTERNATIONAL, INC. (1)
D390712 Chair 120 1996
 
LEAR CORPORATION (1)
D391791 Vehicles seat bolster 11 1997
 
Mauser Waldeck AG (1)
D371009 Chair 14 1994
 
MEULLER FURNITURE CORPORATION (1)
D292655 Swivel chair 30 1985
 
Miller Desk, Inc. (1)
D358063 Chair 18 1993
 
OKAMURA CORPORATION (1)
D345259 Chair 17 1991
 
PLUS CORPORATION (1)
D426966 Chair 12 1998
 
RESEARCH AND DEVELOPMENT INSTITUTE, INC., AT MONTATA STATE UNIVERSITY (1)
5,501,507 Seat with spring-loaded lumbar support 40 1994
 
STEELCASE STRAFOR, 67200 STRASBOURG, 56, RUE JEAN GIRAUDOUX (1)
D312176 Armchair 21 1987
 
SUNLITE CASUAL FURNITURE, INC. (1)
D279155 Combined seat and backrest unit 27 1982
 
Other [Check patent profile for assignment information] (4)
D328822 Chair 10 1988
D326369 Chair 20 1989
D328980 Chair 19 1989
D343740 Chair 17 1991

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
Herman Miller, Inc. (13)
D471370 Task chair 27 2002
D471042 Back for a seating structure 36 2002
D494792 Back for a seating structure 37 2002
D490994 Task chair 28 2002
7,249,802 Back support structure 31 2003
7,841,666 Back support structure 3 2008
D657166 Chair 4 2010
D653061 Chair 1 2010
D652657 Chair 4 2010
D650206 Chair 1 2010
D639091 Backrest 6 2010
D637423 Chair 7 2010
8,449,037 Seating structure with a contoured flexible backrest 0 2011
 
HNI TECHNOLOGIES INC. (7)
D530533 Chair 7 2003
D509388 Chair 5 2003
D507133 Armless chair 1 2003
D501612 Armless chair 6 2004
D500211 Chair 9 2004
D506628 Chair frame 2 2004
D506629 Chair back 5 2004
 
STEELCASE INC. (4)
D535840 Armrest 2 2005
D535131 Armrest 2 2005
D546085 Seating unit 22 2006
7,841,665 Height adjustable armrest 5 2007
 
Bum. S.r.l. (1)
D495155 Chair 8 2003
 
Klober GmbH (1)
D509968 Office swivel chair 9 2003
 
KNOLL, INC. (1)
D471024 Chair 42 2002
 
PRO-CORD S.P.A. (1)
D481548 Chair 5 2001
 
TRUE SEATING CONCEPTS, LLC (1)
D542575 Chair arm 1 2006
 
VITRA PATENTE AG (1)
D517820 Chair 33 2002
 
Other [Check patent profile for assignment information] (2)
D505815 Height adjusting chair arm 7 2004
D683552 Chair frame 0 2012