Inventor
KELCH STEFFEN
CH23 patents
⚠️ This page may combine multiple inventors who share the name “KELCH STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIKA TECH AG
20 patentsUS9683152B2Jun 20, 2017
Structural polyurethane adhesive
SIKA TECH AG8 citations80
US10428252B2Oct 1, 2019
Two-component composition
SIKA TECH AG4 citations73
US9856374B2Jan 2, 2018
Two-component composition
SIKA TECH AG2 citations73
US10899926B2Jan 26, 2021
Curable composition
SIKA TECH AG5 citations72
US9637668B2May 2, 2017
Structural polyurethane adhesive having a low glass transition temperature
SIKA TECH AG5 citations72
US9914862B2Mar 13, 2018
Structural polyurethane adhesive
SIKA TECH AG3 citations69
US9822289B2Nov 21, 2017
Two component polyurethane composition
SIKA TECH AG6 citations68
US9896609B2Feb 20, 2018
Two component polyurethane composition
SIKA TECH AG4 citations65
US9587152B2Mar 7, 2017
Two-component polyurethane compositions, in particular suitable for use as tough structural adhesives or as potting compounds
SIKA TECH AG2 citations65
US11680131B2Jun 20, 2023
Two-component polyurethane composition
SIKA TECH AG0 citations62
US11149106B2Oct 19, 2021
Two-component polyurethane adhesive having substantially temperature-independent mechanical properties and high strength
SIKA TECH AG0 citations62
US11795354B2Oct 24, 2023
Epoxy resin adhesive with high compressive strength
SIKA TECH AG1 citations61
US10563103B2Feb 18, 2020
Hydrophobic and highly elastic two-component polyurethane composition having mechanical properties and adhesive properties not dependent on temperature
SIKA TECH AG1 citations59
US12116316B2Oct 15, 2024
Slag-containing polymer concrete and grouting mortar
SIKA TECH AG0 citations57
US12037288B2Jul 16, 2024
Polyurethane-based polymer concretes and grouting mortars
SIKA TECH AG0 citations53
US9809732B2Nov 7, 2017
Two-component polyurethane compositions, in particular suitable for use as viscoplastic structural adhesives
SIKA TECH AG0 citations51
US12486350B2Dec 2, 2025
Two-component polyurethane composition with a high degree of hydrophobicity and adjustable pot life
SIKA TECH AG0 citations49
US10059863B2Aug 28, 2018
Structural polyurethane adhesive
SIKA TECH AG0 citations48
US12304862B2May 20, 2025
Conductive mortar
SIKA TECH AG0 citations44
US10189938B2Jan 29, 2019
Polyurea composition
SIKA TECH AG0 citations36