Inventor · disambiguated record

Holger Kellermann

Also filed as: KELLERMANN HOLGER

2 granted patents·5 citations·filing 2003–2003

42Inventor score

Technology areasE21D

Files withTIEFENBACH CONTROL SYS GMBH2

Top patents by PatentIndex Score

2 records

0143US7416369B2Timbering and walling control for controlling the movements of timbering and walling units in the coal face of a mineTIEFENBACH CONTROL SYS GMBH·Filed 2003·Granted Aug 26, 2008·5 cites·10 claims
0234US7455367B2Longwall support control for controlling the movements of longwall support units in the longwall of a mineTIEFENBACH CONTROL SYS GMBH·Filed 2003·Granted Nov 25, 2008·0 cites·4 claims

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