Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WH

Walter Hellermann

HAHuels Aktiengesellschaft: 13 patents #18 of 532Top 4%
DADegussa Ag: 1 patents #925 of 2,007Top 50%
HAHuls Aktiengesellschaft: 1 patents #61 of 193Top 35%
Dorsten, DE: #4 of 217 inventorsTop 2%
Overall (All Time): #327,995 of 4,157,543Top 8%
15 Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6500554 Process for producing an extrusion-coated metal article Klaus Gahlmann 2002-12-31
6119743 Tire tread of butadiene copolymer, polybutadiene and aromatic oil 2000-09-19
6063853 Tire treads having low rolling resistance and improved ABS braking 2000-05-16
5942307 Lightweight building board Christian Baron, Juergen Finke, Hubertus Ohm 1999-08-24
5905112 Tire tread of diene rubber, and naphthenic and/or paraffinic oil, or aromatic oil and mineral filler 1999-05-18
5147939 Unsaturated, elastomeric, asymmetrically coupled block copolymer, a single batch process for its manufacture and its use for the production of tire components Christoph Herrmann, Karl-Heinz Nordsiek, Jurgen Wolpers, Hans-Bernd Fuchs 1992-09-15
5104941 3,4-polyisoprene-containing rubber blend mixtures for tire treads Jurgen Wolpers, Hans-Bernd Fuchs, Christoph Herrmann, Karl-Heinz Nordsiek 1992-04-14
5100967 Statistical AB-block copolymers having improved properties, process for their manufacture and their use Jurgen Wolpers, Christoph Herrmann 1992-03-31
5096973 ABC block copolymers based on butadiene, isoprene and styrene, process for their production and their use Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek, Juergen Wolpers 1992-03-17
5061758 Unsaturated, elastomeric, asymmetrically, coupled block copolymers, a dual batch process for its manufacture and their use for the production of type components Christoph Herrmann, Karl-Heinz Nordsiek, Jurgen Wolpers, Hans-Bernd Fuchs 1991-10-29
5053459 AB block copolymers based on butadiene, isoprene and styrene Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek, Juergen Wolpers 1991-10-01
5008343 Process for the preparation of polymers based on conjugated dienes and optionally monovinylaromatic compounds Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek, Jurgen Wolpers 1991-04-16
4981911 AB block copolymers based on butadiene, isoprene and styrene, process for their preparation and their use Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek, Juergen Wolpers 1991-01-01
4894425 Preparation of polyisoprene having high content of 1,2- and 3,4-structural units by anionic polymerization Karl-Heinz Nordsiek, Jurgen Wolpers 1990-01-16
4814386 ABC block copolymers based on butadiene and isoprene, process for their preparation and use Christoph Herrmann, Hans-Bernd Fuchs, Karl-Heinz Nordsiek, Jurgen Wolpers, Hans-Eberhard von Portatius 1989-03-21