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Christoph Pietrala
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Dortmund, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Conveyor pan
Patent number
11,261,031
Issue date
Mar 1, 2022
Caterpillar Global Mining Europe GmbH
Christoph Pietrala
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Flight bar-clamp-chain link connection for a chain conveyor
Patent number
11,040,833
Issue date
Jun 22, 2021
Caterpillar Global Mining Europe GmbH
Christoph Pietrala
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Feed system for an underground winning machine, rack bar and drive...
Patent number
9,273,552
Issue date
Mar 1, 2016
Caterpillar Global Mining Europe GmbH
Christoph Pietrala
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Rack and pinion arrangement for a mining extraction machine and rac...
Patent number
8,944,519
Issue date
Feb 3, 2015
Caterpillar Global Mining Europe GmbH
Christoph Pietrala
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Conveyor Pan
Publication number
20210261345
Publication date
Aug 26, 2021
CATERPILLAR GLOBAL MINING EUROPE GMBH
Christoph PIETRALA
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Flight Bar-Clamp-Chain Link Connection for a Chain Conveyor
Publication number
20200262653
Publication date
Aug 20, 2020
Christoph Pietrala
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
LUMP CRUSHER FOR A SCRAPER CHAIN CONVEYOR
Publication number
20160017710
Publication date
Jan 21, 2016
CATERPILLAR GLOBAL MINING EUROPE GMBH
Bernhard WLEKLINSKI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
FEED SYSTEM FOR AN UNDERGROUND WINNING MACHINE, RACK BAR AND DRIVE...
Publication number
20120198950
Publication date
Aug 9, 2012
BUCYRUS EUROPE GMBH
Christoph Pietrala
E21 - EARTH DRILLING MINING
Information
Patent Application
RACK AND PINION ARRANGEMENT FOR A MINING EXTRACTION MACHINE AND RAC...
Publication number
20120111133
Publication date
May 10, 2012
BUCYRUS EUROPE GMBH
Christoph Pietrala
E21 - EARTH DRILLING MINING