CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore Ewald Drken's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Aug 7, 2025
Patent NumberGrant DateTitleTotal Oppositions
Nov 17, 2021Bicomponent Fibre For Producing Spun Nonwoven Fabrics1
Jan 20, 2021Anti-Corrosion Coating1
Dec 16, 2020Nail-Sealing Roof Underlay1
Jul 3, 2019Method For Producing A Dark Anti-Corrosion Coating2
May 29, 2019Bicomponent Fibre For Producing Spun Nonwoven Fabrics2
Apr 10, 2019Method For Production Of A Substrate With A Chromium Vi Free And Cobalt-Free Passivation1
Nov 7, 2018Protective Film2
Apr 11, 2018Roofing Underlay For Steep-Pitched Roof With Adjacent Roof Surfaces1