Oberhoffer; Helmut

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oberhoffer; Helmut.The latest application filed is for "method for producing a corrosion-resistant steel sheet".

Company Profile

2.5.10

Oberhoffer; Helmut - St. Johann DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for producing a corrosion-resistant steel sheet Grant 10,227,671 - Oberhoffer , et al.	2019-03-12
Method for producing packaging steel Grant 9,650,692 - Szesni , et al. May 16, 2	2017-05-16
Method for treating a steel band or plate provided with a metal coating with an after-treatment agent, and a steel band or plate provided with a metal coating Grant 9,580,646 - Baulig , et al. February 28, 2	2017-02-28
Method For Producing A Corrosion-resistant Steel Sheet App 20160002748 - OBERHOFFER; Helmut ; et al.	2016-01-07
Method for enhancing corrosion resistance of a metallic coating on a steel strip or plate Grant 9,115,428 - Hoehn , et al. August 25, 2	2015-08-25
Method For Treating A Steel Band Or Plate Provided With A Metal Coating With An After-treatment Agent, And A Steel Band Or Plate Provided With A Metal Coating App 20150050517 - Baulig; Harald ; et al.	2015-02-19
Method For Passivation Of Strip Black Plate App 20150024222 - SAUER; Reiner ; et al.	2015-01-22
Method For Producing Packaging Steel App 20150010779 - Szesni; Anika ; et al.	2015-01-08
Method For Passivating Tinplate App 20150010773 - Sauer; Reiner ; et al.	2015-01-08
Method For Improving A Metal Coating On A Steel Strip App 20150001089 - Matusch; Dirk ; et al.	2015-01-01
Method For Coating A Steel Sheet With A Metal Layer App 20140349135 - OBERHOFFER; Helmut ; et al.	2014-11-27
Method For Enhancing A Metallic Coating On A Steel Strip App 20140162087 - Hoehn; Winfried ; et al.	2014-06-12
Method For Producing A Corrosion-resistant, Workable Sheet Metal With Full-surface Coating Of The Joined, Thermally Treated Steel Sheets App 20120325379 - Baulig; Harald ; et al.	2012-12-27

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