Dieter Rischer has been granted 7 US patents while listed as an inventor at Firma Carl Freudenberg . The first was granted in 1992 and the most recent in May 2019. Dieter Rischer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Dieter Rischer in Weinheim, DE.
Patents per Year Patents granted per year, 1992 to 2019 Bar chart with a peak of 1 patents in 1992. peak 1 1992: 1 patents 1992 2001: 1 patents 2001 2003: 1 patents 2003 2004: 1 patents 2004 2016: 1 patents 2016 2017: 1 patents 2017 2019: 1 patents 2019
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date
10300650 Method for producing an elastomer floor covering having a decorative layer and an elastomer floor covering with a decorative layer Mario Kroeger 2019-05-28
9777488 Floor covering and method for producing the same Gregor Grun , Mario Kroger 2017-10-03
9303412 Floor covering and method for producing the same Gregor Grun , Mario Kroger 2016-04-05
6709732 Web-type floor covering and method for its manufacture Gerhard Graab , Klaus Heckel , Gerhard Heidecke 2004-03-23
6503424 Multicolored patterned floor covering and method for manufacture Gerhard Graab , Klaus Heckel , Thorsten Nahe , Helmut Grunhag 2003-01-07
6221462 Multicolored patterned floor covering and method for manufacture Gerhard Graab , Klaus Heckel , Thorsten Nahe , Helmut Grunhag 2001-04-24
5154868 Method of manufacturing a randomly patterned floor covering from a preform of rubber Klaus Heckel , Herbert Arnold 1992-10-13