Inventor · disambiguated record
Larry Dekraker
Also filed as: DAMMERMANN ARNOLD B · DEKRAKER LARRY · HEIDMANN KURT R
35 granted patents·3,626 citations·filing 1989–2008
99Inventor score
Top patents by PatentIndex Score
35 records- 0199US7427105B2Back construction for seating unitSTEELCASE INC·Filed 2006·Granted Sep 23, 2008·102 cites·44 claims
- 0299US7131700B2Back construction for seating unitSTEELCASE DEV CORP·Filed 2005·Granted Nov 7, 2006·130 cites·55 claims
- 0399US6991291B2Back construction for seating unit having spring biasSTEELCASE DEV CORP·Filed 2005·Granted Jan 31, 2006·109 cites·36 claims
- 0499US6394549B1Seating unit with reclineable back and forwardly movable seatSTEELCASE DEV CORP·Filed 2000·Granted May 28, 2002·157 cites·48 claims
- 0599US6086153AChair with reclineable back and adjustable energy mechanismSTEELCASE INC·Filed 1997·Granted Jul 11, 2000·177 cites·37 claims
- 0698US7114777B2Chair having reclineable back and movable seatSTEELCASE DEV CORP·Filed 2004·Granted Oct 3, 2006·88 cites·107 claims
- 0798US6749261B2Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2002·Granted Jun 15, 2004·78 cites·23 claims
- 0898US6394546B1Lumbar deviceSTEELCASE DEV CORP·Filed 2000·Granted May 28, 2002·260 cites·41 claims
- 0998US6394548B1Seating unit with novel seat constructionSTEELCASE DEV CORP·Filed 2000·Granted May 28, 2002·196 cites·50 claims
- 1098US6079785AChair having adjustable lumbar supportSTEELCASE DEV INC·Filed 1999·Granted Jun 27, 2000·198 cites·22 claims
- 1198US5979984ASynchrotilt chair with forwardly movable seatSTEELCASE DEV INC·Filed 1997·Granted Nov 9, 1999·143 cites·33 claims
- 1298US5975634AChair including novel back constructionSTEELCASE DEV INC·Filed 1997·Granted Nov 2, 1999·272 cites·59 claims
- 1398US5909923AChair with novel pivot mounts and method of assemblySTEELCASE INC·Filed 1997·Granted Jun 8, 1999·121 cites·20 claims
- 1498US5871258AChair with novel seat constructionSTEELCASE INC·Filed 1997·Granted Feb 16, 1999·360 cites·44 claims
- 1597US6394545B2Back for seating unitSTEELCASE DEV CORP·Filed 2001·Granted May 28, 2002·85 cites·10 claims
- 1697US6367877B1Back for seating unitSTEELCASE DEV CORP·Filed 2000·Granted Apr 9, 2002·79 cites·19 claims
- 1797US6349992B1Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2000·Granted Feb 26, 2002·92 cites·69 claims
- 1897US6116695AChair control having an adjustable energy mechanismSTEELCASE DEV INC·Filed 1999·Granted Sep 12, 2000·91 cites·13 claims
- 1996US7712834B2Back support for seating unitSTEELCASE INC·Filed 2008·Granted May 11, 2010·41 cites·12 claims
- 2096US7040709B2Back construction for seating unit having inverted U-shaped frameSTEELCASE DEV CORP·Filed 2005·Granted May 9, 2006·40 cites·46 claims
- 2196US6460928B2Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2001·Granted Oct 8, 2002·65 cites·32 claims
- 2296US6318800B1Seating unit with novel pivot mounts and method of assemblySTEELCASE DEV CORP·Filed 2000·Granted Nov 20, 2001·61 cites·32 claims
- 2396US6176550B1Adjustable armrest for chairsSTEELCASE DEV INC·Filed 2000·Granted Jan 23, 2001·117 cites·21 claims
- 2494US6905171B2Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2003·Granted Jun 14, 2005·49 cites·78 claims
- 2591US6302486B1Seating unit with adjustable armrestSTEELCASE DEV CORP·Filed 2000·Granted Oct 16, 2001·42 cites·49 claims
- 2691US4951995AArm height adjustment mechanism for a chairSTEELCASE INC·Filed 1989·Granted Aug 28, 1990·91 cites·23 claims
- 2788US6817668B2Seating unit with variable back stop and seat biasSTEELCASE DEV CORP·Filed 2003·Granted Nov 16, 2004·23 cites·68 claims
- 2888US5007678AChair back height adjustment mechanismSTEELCASE INC·Filed 1989·Granted Apr 16, 1991·68 cites·19 claims
- 2987US6168237B1Adjustable armrest for chairsSTEELCASE DEV INC·Filed 1999·Granted Jan 2, 2001·46 cites·11 claims
- 3087US5971484AAdjustable armrest for chairsSTEELCASE DEV INC·Filed 1997·Granted Oct 26, 1999·61 cites·19 claims
- 3186US6179384B1Force adjusting deviceSTEELCASE DEV INC·Filed 1999·Granted Jan 30, 2001·68 cites·27 claims
- 3282US7040711B2Nonslip bearing arrangementSTEELCASE DEV CORP·Filed 2003·Granted May 9, 2006·16 cites·21 claims
- 3381US5511759AHydraulic chair height adjustment mechanismSTEELCASE INC·Filed 1994·Granted Apr 30, 1996·38 cites·73 claims
- 3463US6224155B1Vertical height adjustment mechanism for chairsSTEELCASE DEV INC·Filed 1999·Granted May 1, 2001·32 cites·16 claims
- 3561US5056863ALaterally adjustable armrest for a chairSTEELCASE INC·Filed 1990·Granted Oct 15, 1991·30 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →