Inventor · disambiguated record
David J. Ritch
Also filed as: RITCH DAVID · RITCH DAVID J
22 granted patents·1 pending application·989 citations·filing 1997–2008
97Inventor score
Top patents by PatentIndex Score
23 records- 0198USD423261SChairHAWORTH INC·Filed 1999·Granted Apr 25, 2000·86 cites·1 claims
- 0298US5934758AMembrane chairHAWORTH INC·Filed 1997·Granted Aug 10, 1999·230 cites·33 claims
- 0395USD546085SSeating unitSTEELCASE DEV CORP·Filed 2006·Granted Jul 10, 2007·54 cites·1 claims
- 0495US6030037AHorizontally nestable chairSTEELCASE INC·Filed 1998·Granted Feb 29, 2000·101 cites·72 claims
- 0594USD535838SSeating unitSTEELCASE DEV CORP·Filed 2004·Granted Jan 30, 2007·42 cites·1 claims
- 0694USD411928SChairSTEELCASE INC·Filed 1998·Granted Jul 13, 1999·55 cites·1 claims
- 0793US6286901B1ChairSTEELCASE DEV INC·Filed 2000·Granted Sep 11, 2001·60 cites·130 claims
- 0889USD530104SWork space dividerMILLER HERMAN INC·Filed 2004·Granted Oct 17, 2006·37 cites·1 claims
- 0989USD407576SChairHAWORTH INC·Filed 1997·Granted Apr 6, 1999·36 cites·1 claims
- 1088USD417793SChairHAWORTH INC·Filed 1998·Granted Dec 21, 1999·34 cites·1 claims
- 1184US6766748B2Table with support leg having an elongated channelMILLER HERMAN INC·Filed 2001·Granted Jul 27, 2004·37 cites·26 claims
- 1282US6764144B2Storage unitMILLER HERMAN INC·Filed 2001·Granted Jul 20, 2004·36 cites·7 claims
- 1381US7325873B2Seating unitSTEELCASE INC·Filed 2005·Granted Feb 5, 2008·24 cites·19 claims
- 1481US6142566AChairSTEELCASE DEV INC·Filed 1999·Granted Nov 7, 2000·43 cites·20 claims
- 1579USD460630SPrivacy screenMILLER HERMAN INC·Filed 2000·Granted Jul 23, 2002·24 cites·1 claims
- 1678USD548475SSeating unitSTEELCASE DEV CORP·Filed 2006·Granted Aug 14, 2007·18 cites·1 claims
- 1778USD467445SChairSTEELCASE DEV CORP·Filed 2001·Granted Dec 24, 2002·23 cites·1 claims
- 1875USD412416SBaseSTEELCASE INC·Filed 1998·Granted Aug 3, 1999·18 cites·1 claims
- 1970USD575968STable legKRUEGER INT INC·Filed 2007·Granted Sep 2, 2008·14 cites·1 claims
- 2063US8596593B2Worksurface leg mount systemSAFFELL MARK·Filed 2008·Granted Dec 3, 2013·4 cites·19 claims
- 2161US7874620B2Health care chairMILLER HERMAN INC·Filed 2008·Granted Jan 25, 2011·6 cites·25 claims
- 2254USD580687STable legKRUEGER INT INC·Filed 2008·Granted Nov 18, 2008·7 cites·1 claims
- 2346US2002062933A1Privacy screenFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →