Inventor · disambiguated record
James N. Ludwig
Also filed as: LUDWIG JAMES · LUDWIG JAMES N · LUDWIG JAMES NOLAN
178 granted patents·14 pending applications·3,841 citations·filing 2000–2025
99Inventor score
Top patents by PatentIndex Score
192 records- 0198US12161232B2Body support assembly and methods for the use and assembly thereofSTEELCASE INC·Filed 2023·Granted Dec 10, 2024·6 cites·14 claims
- 0298US11324323B2Body support member with lattice structureSTEELCASE INC·Filed 2020·Granted May 10, 2022·8 cites·23 claims
- 0398USD742677SChairSTEELCASE INC·Filed 2015·Granted Nov 10, 2015·20 cites·1 claims
- 0498USD742676SChairSTEELCASE INC·Filed 2015·Granted Nov 10, 2015·20 cites·1 claims
- 0598USD697726SChairSMITH BRUCE M·Filed 2012·Granted Jan 21, 2014·40 cites·1 claims
- 0698USD679517SSeating unitCORCORRAN SEAN M·Filed 2012·Granted Apr 9, 2013·35 cites·1 claims
- 0797US11805913B2Body support assembly and methods for the use and assembly thereofSTEELCASE INC·Filed 2022·Granted Nov 7, 2023·7 cites·14 claims
- 0897US11357329B2Body support assembly and methods for the use and assembly thereofSTEELCASE INC·Filed 2020·Granted Jun 14, 2022·20 cites·24 claims
- 0997US10194750B2Seating arrangementSTEELCASE INC·Filed 2017·Granted Feb 5, 2019·26 cites·18 claims
- 1097USD778946SDisplay screen with iconSTEELCASE INC·Filed 2014·Granted Feb 14, 2017·19 cites·1 claims
- 1197USD689723SBase for seating unitSTEELCASE INC·Filed 2013·Granted Sep 17, 2013·24 cites·1 claims
- 1297USD679923SBase for seating unitCORCORRAN SEAN M·Filed 2012·Granted Apr 16, 2013·29 cites·1 claims
- 1397USD679524SSeating unitCORCORRAN SEAN M·Filed 2012·Granted Apr 9, 2013·32 cites·1 claims
- 1497USD679525SSeating unitCORCORRAN SEAN M·Filed 2012·Granted Apr 9, 2013·31 cites·1 claims
- 1596US10021984B2Seating arrangementSTEELCASE INC·Filed 2016·Granted Jul 17, 2018·18 cites·31 claims
- 1696USD690143SBase for seating unitSTEELCASE INC·Filed 2013·Granted Sep 24, 2013·24 cites·1 claims
- 1796USD683150SChairSMITH BRUCE M·Filed 2012·Granted May 28, 2013·80 cites·1 claims
- 1896USD679523SSeating unitCORCORRAN SEAN M·Filed 2012·Granted Apr 9, 2013·24 cites·1 claims
- 1996US7677182B2Two person work environmentSTEELCASE DEV CORP·Filed 2005·Granted Mar 16, 2010·64 cites·41 claims
- 2096US6807776B2Building outfitting system with common accessory-mounting featureSTEELCASE DEV CORP·Filed 2002·Granted Oct 26, 2004·88 cites·95 claims
- 2196US6748710B2Partition trim having functional aspectsSTEELCASE DEV CORP·Filed 2002·Granted Jun 15, 2004·101 cites·48 claims
- 2295US11553797B2Seating arrangementSTEELCASE INC·Filed 2020·Granted Jan 17, 2023·6 cites·29 claims
- 2395US8074581B2Conference table assemblyEPSTEIN LEWIS MARK·Filed 2008·Granted Dec 13, 2011·81 cites·24 claims
- 2495USD646085SSeating unitSTEELCASE INC·Filed 2010·Granted Oct 4, 2011·72 cites·1 claims
- 2595USD624328SBenchSTEELCASE INC·Filed 2008·Granted Sep 28, 2010·62 cites·1 claims
- 2695USD600052SBack for seating unitSTEELCASE DEV CORP·Filed 2009·Granted Sep 15, 2009·67 cites·1 claims
- 2795USD592876SSeating unitSTEELCASE DEV CORP·Filed 2008·Granted May 26, 2009·66 cites·1 claims
- 2895USD465049SLighting apparatusSTEELCASE DEV CORP·Filed 2002·Granted Oct 29, 2002·47 cites·1 claims
- 2994USD688500SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·37 cites·1 claims
- 3094USD688505SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·35 cites·1 claims
- 3193USD688503SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·35 cites·1 claims
- 3293USD688498SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·37 cites·1 claims
- 3393USD688501SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·32 cites·1 claims
- 3493USD688497SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·44 cites·1 claims
- 3593US6851226B2Partition panel with modular appliance mounting arrangementSTEELCASE DEV CORP·Filed 2002·Granted Feb 8, 2005·104 cites·48 claims
- 3693US6516571B1Freestanding screen systemSTEELCASE DEV CORP·Filed 2000·Granted Feb 11, 2003·55 cites·18 claims
- 3792USD768631SControl puckSTEELCASE INC·Filed 2014·Granted Oct 11, 2016·56 cites·1 claims
- 3892USD701053SChairSTEELCASE INC·Filed 2012·Granted Mar 18, 2014·42 cites·1 claims
- 3992USD698164SChairSTEELCASE INC·Filed 2012·Granted Jan 28, 2014·30 cites·1 claims
- 4092USD688504SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·34 cites·1 claims
- 4192USD688499SChairSTEELCASE INC·Filed 2013·Granted Aug 27, 2013·42 cites·1 claims
- 4292USD636612SSeating unitSTEELCASE INC·Filed 2010·Granted Apr 26, 2011·52 cites·1 claims
- 4392USD564264SSeating unitSTEELCASE DEV CORP·Filed 2006·Granted Mar 18, 2008·46 cites·1 claims
- 4491USD961281SChairSTEELCASE INC·Filed 2020·Granted Aug 23, 2022·14 cites·1 claims
- 4591USD707976SChairSTEELCASE INC·Filed 2013·Granted Jul 1, 2014·44 cites·1 claims
- 4691USD694537SChairSMITH BRUCE M·Filed 2012·Granted Dec 3, 2013·44 cites·1 claims
- 4791USD694538SChairSMITH BRUCE M·Filed 2012·Granted Dec 3, 2013·44 cites·1 claims
- 4891USD683151SChairSMITH BRUCE M·Filed 2012·Granted May 28, 2013·48 cites·1 claims
- 4991USD599122SPrivacy screenSTEELCASE INC·Filed 2008·Granted Sep 1, 2009·48 cites·1 claims
- 5091USD485096SPartition insertSTEELCASE DEV CORP·Filed 2003·Granted Jan 13, 2004·38 cites·1 claims
Showing the top 50 of 192 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →