Hermann Hemscheidt Maschinenfabrik GmbH

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Wuppertal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of working coal seams to a defined preset depth of cutting d...
- Patent number 5,275,469
- Issue date Jan 4, 1994
- Hermann Hemscheidt Maschinenfabrik GmbH
- Guy Geuns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic controller
- Patent number 4,095,616
- Issue date Jun 20, 1978
- Hermann Hemscheidt Maschinenfabrik
- Karl Krieger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plug-in coupling
- Patent number 4,076,279
- Issue date Feb 28, 1978
- Hermann Hemscheidt Maschinenfabrik
- Heinz Klotz
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Suspended valve control device
- Patent number 4,073,150
- Issue date Feb 14, 1978
- Hermann Hemscheidt Maschinenfabrik
- Josef Welzel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof-supporting arrangement
- Patent number 3,987,634
- Issue date Oct 26, 1976
- Hermann Hemscheidt Maschinenfabrik
- Josef Welzel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Prop-and-shoe assemblies of self-advancing mine roof-supports
- Patent number 3,985,328
- Issue date Oct 12, 1976
- Hermann Hemscheidt Maschinenfabrik
- Hans Bull
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sound-absorbing wall element
- Patent number 3,961,682
- Issue date Jun 8, 1976
- Hermann Hemscheidt Maschinenfabrik
- Gerd Dausch
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES