Inventor · disambiguated record
Steffen Kelch
Also filed as: KELCH STEFFEN
23 granted patents·11 pending applications·42 citations·filing 2006–2023
92Inventor score
Top patents by PatentIndex Score
34 records- 0194US10899926B2Curable compositionSIKA TECH AG·Filed 2017·Granted Jan 26, 2021·5 cites·18 claims
- 0293US10428252B2Two-component compositionSIKA TECH AG·Filed 2015·Granted Oct 1, 2019·4 cites·17 claims
- 0389US9683152B2Structural polyurethane adhesiveSIKA TECH AG·Filed 2013·Granted Jun 20, 2017·8 cites·14 claims
- 0489US9637668B2Structural polyurethane adhesive having a low glass transition temperatureSIKA TECH AG·Filed 2013·Granted May 2, 2017·5 cites·20 claims
- 0587US9822289B2Two component polyurethane compositionSIKA TECH AG·Filed 2014·Granted Nov 21, 2017·6 cites·20 claims
- 0684US11795354B2Epoxy resin adhesive with high compressive strengthSIKA TECH AG·Filed 2017·Granted Oct 24, 2023·1 cites·15 claims
- 0781US9896609B2Two component polyurethane compositionSIKA TECH AG·Filed 2014·Granted Feb 20, 2018·4 cites·27 claims
- 0880US9856374B2Two-component compositionSIKA TECH AG·Filed 2014·Granted Jan 2, 2018·2 cites·17 claims
- 0978US9914862B2Structural polyurethane adhesiveSIKA TECH AG·Filed 2014·Granted Mar 13, 2018·3 cites·22 claims
- 1076US10563103B2Hydrophobic and highly elastic two-component polyurethane composition having mechanical properties and adhesive properties not dependent on temperatureSIKA TECH AG·Filed 2016·Granted Feb 18, 2020·1 cites·16 claims
- 1172US9587152B2Two-component polyurethane compositions, in particular suitable for use as tough structural adhesives or as potting compoundsSIKA TECH AG·Filed 2013·Granted Mar 7, 2017·2 cites·18 claims
- 1270US9822279B2Two-component compositions based on silane-functional polymersBURCKHARDT URS·Filed 2012·Granted Nov 21, 2017·1 cites·21 claims
- 1369US2024294692A1Polyisocyanurate plastics with high transparencySIKA TECH AG·Filed 2022·Application pending·0 cites
- 1467US12116316B2Slag-containing polymer concrete and grouting mortarSIKA TECH AG·Filed 2020·Granted Oct 15, 2024·0 cites·10 claims
- 1564US12486350B2Two-component polyurethane composition with a high degree of hydrophobicity and adjustable pot lifeSIKA TECH AG·Filed 2021·Granted Dec 2, 2025·0 cites·13 claims
- 1664US11680131B2Two-component polyurethane compositionSIKA TECH AG·Filed 2020·Granted Jun 20, 2023·0 cites·15 claims
- 1763US12037288B2Polyurethane-based polymer concretes and grouting mortarsSIKA TECH AG·Filed 2020·Granted Jul 16, 2024·0 cites·15 claims
- 1861US2025019558A1Method for producing a laminate of wood and cementitious compositionsSIKA TECH AG·Filed 2022·Application pending·0 cites
- 1959US11149106B2Two-component polyurethane adhesive having substantially temperature-independent mechanical properties and high strengthSIKA TECH AG·Filed 2017·Granted Oct 19, 2021·0 cites·15 claims
- 2054US9809732B2Two-component polyurethane compositions, in particular suitable for use as viscoplastic structural adhesivesSIKA TECH AG·Filed 2013·Granted Nov 7, 2017·0 cites·10 claims
- 2151US10059863B2Structural polyurethane adhesiveSIKA TECH AG·Filed 2013·Granted Aug 28, 2018·0 cites·16 claims
- 2251US9834639B2Curing agent for moisture-curing compositionsBURCKHARDT URS·Filed 2012·Granted Dec 5, 2017·0 cites·18 claims
- 2351US2020199286A1Two-component polyurethane compositionSIKA TECH AG·Filed 2018·Application pending·0 cites
- 2451US2023339813A1Polyurethane based polymer concretes and grouting mortars of controlled densitySIKA TECH AG·Filed 2021·Application pending·0 cites
- 2550US8124691B2Shape memory polymer with polyester and polyacrylate segments and process for its production and programmingKELCH STEFFEN·Filed 2008·Granted Feb 28, 2012·0 cites·12 claims
- 2650US2020017627A1Two-component polyurethane compositionSIKA TECH AG·Filed 2017·Application pending·0 cites
- 2750US2009209717A1Shape Memory Polymer with Polyester and Polyether Segments and Process for Its Preparation and ProgrammingGEESTHACHT GKSS FORSCHUNG·Filed 2007·Application pending·0 cites
- 2849US2015259465A1Two-component polyurethane compositionSIKA TECHNOLOGY AG·Filed 2013·Application pending·0 cites
- 2948US12304862B2Conductive mortarSIKA TECH AG·Filed 2020·Granted May 20, 2025·0 cites·13 claims
- 3047US2010062036A1Multiblock Copolymers with Shape-Memory PropertiesGEESTHACHT GKSS FORSCHUNG·Filed 2007·Application pending·0 cites
- 3146US2019322914A1Two component polyurethane compositionSIKA TECH AG·Filed 2017·Application pending·0 cites
- 3245US2025162194A1Method for producing a laminate from wood and a curable compositionSIKA TECH AG·Filed 2023·Application pending·0 cites
- 3344US10189938B2Polyurea compositionSIKA TECH AG·Filed 2015·Granted Jan 29, 2019·0 cites·20 claims
- 3444US2009163664A1Blends of shape memory polymers with thermoplastic polymersMNEMOSCIENCE GMBH·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →