P
PatentIndex
Search
Landscape
Sign in
Inventor
DIEKMANN HELMUT
DE
5 patents
⚠️ This page may combine multiple inventors who share the name “DIEKMANN HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CRAMER GMBH & CO KG
2 patents
US4993401A
Feb 19, 1991
Control system for glass-top cooking unit
CRAMER GMBH & CO KG
36 citations
89
US4951646A
Aug 28, 1990
Ventilated glass-top cooking unit
CRAMER GMBH & CO KG
40 citations
87
CRAMER GMBH
1 patent
US5787874A
Aug 4, 1998
Gas-fired ceramic-cooktop burner
CRAMER GMBH
67 citations
91
METALLGESELLSCHAFT AG
1 patent
US4333917A
Jun 8, 1982
Process of producing sulfuric acid
METALLGESELLSCHAFT AG
16 citations
71
LANXESS DEUTSCHLAND GMBH
1 patent
US7468158B2
Dec 23, 2008
Corrosion inhibitor for protecting metallic materials in strongly alkaline medium
LANXESS DEUTSCHLAND GMBH
0 citations
39