Inventor

LIEBERMANN JOHANNES

DE5 patents

⚠️ This page may combine multiple inventors who share the name “LIEBERMANN JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS AG

3 patents

US6541118B2Apr 1, 2003

Insulator having a porcelain body and a hydrophobic coating

SIEMENS AG7 citations68

US6497923B2Dec 24, 2002

Method for producing an electrical insulator

SIEMENS AG10 citations68

US6475941B1Nov 5, 2002

Method for producing porcelain, porcelain and ceramic isolator formed from porcelain

SIEMENS AG6 citations59

DEGUSSA

1 patent

US6426150B1Jul 30, 2002

Surface-modified insulator and method of modifying the surface of an insulator

DEGUSSA32 citations91

BAYER AG

1 patent

US6153496ANov 28, 2000

Process for the production of polycrystalline silicon mouldings substantially free of edge regions and the use of these mouldings

BAYER AG4 citations59