Helmut Diekmann — 5 Patents at Cramer Gmbh & Co. Kommanditgesellschaft

Helmut Diekmann has been granted 5 US patents while listed as an inventor at Cramer Gmbh & Co. Kommanditgesellschaft. The first was granted in 1982 and the most recent in December 2008. Helmut Diekmann ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Helmut Diekmann in Karben, DE.

Patents per Year

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
7468158	Corrosion inhibitor for protecting metallic materials in strongly alkaline medium	Lutz Heuer, Stylianos Savakis, Eberhard Zirngiebl	2008-12-23
5787874	Gas-fired ceramic-cooktop burner	Gunter Krohn, Wilhelm Cramer	1998-08-04
4993401	Control system for glass-top cooking unit	Gunter Krohn, Wilhelm Cramer	1991-02-19
4951646	Ventilated glass-top cooking unit	Gunter Krohn, Wilhelm Cramer	1990-08-28
4333917	Process of producing sulfuric acid	Karl-Heinz Dorr, Hugo Grimm, Ulrich Sander, Michael Tacke, Waldemar Weber	1982-06-08