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Aachen, Germany

Klaus Spies

USPTO Granted Patents = 4

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 49(Granted Patents)

Location History:

46 Dortmund, DE (1980)
Aachen-Brand, DE (1983)
5100 Aachen-Schmithof, DE (1986)
5100 Aachen, DE (1993)

Company Filing History:

4 out of 832,812

Other

patents

Years Active: 1980-1993

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5193883 - Process for controlling longwall shearing and heading machines along a (1993-03-16),

2. 4625815 - Drilling equipment, especially for use in underground mining (1986-12-02),

3. 4378132 - Mining method and apparatus (1983-03-29),

4. 4185940 - Method and system for supporting a roof (1980-01-29),

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