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Lichtenfels, Germany

Johannes Liebermann

This inventor holds 4 USPTO granted patents. Top assignees: Siemens Aktiengesellschaft, Degussa Aktiengesellschaft. Active years: 2002-2003.

USPTO Granted Patents = 4

% Patents Active = 25.0

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 19(Granted Patents)

Location History:

Lichtenfels-Schoensreuth, DE (2002)
Lichtenfels-Schönsreuth, DE (2002 - 2003)

Company Filing History:

3 out of 30,859

Siemens Aktiengesellschaft

Degussa Aktiengesellschaft

Years Active: 2002-2003

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6541118 - Insulator having a porcelain body and a hydrophobic coating (2003-04-01),

2. 6497923 - Method for producing an electrical insulator (2002-12-24),

3. 6475941 - Method for producing porcelain, porcelain and ceramic isolator formed from porcelain (2002-11-05),

4. 6426150 - Surface-modified insulator and method of modifying the surface of an insulator (2002-07-30),

Profile summary based on public USPTO records.

Please report any incorrect information to [email protected]

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