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Lukas Romanowski
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Osnabrueck, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Valve device for a hydraulic circuit and oil pump regulating arrang...
Patent number
10,094,253
Issue date
Oct 9, 2018
Pierburg GmbH
Rolf Lappan
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve device for a hydraulic circuit and oil pump control apparatus
Patent number
9,803,772
Issue date
Oct 31, 2017
Pierburg GmbH
Rolf Lappan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Valve device for a hydraulic circuit, and oil-pump regulating arran...
Patent number
9,334,978
Issue date
May 10, 2016
Pierburg GmbH
Rolf Lappan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
VALVE DEVICE FOR A HYDRAULIC CIRCUIT AND OIL PUMP CONTROL APPARATUS
Publication number
20150377376
Publication date
Dec 31, 2015
PIERBURG GMBH
ROLF LAPPAN
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VALVE DEVICE FOR A HYDRAULIC CIRCUIT AND OIL PUMP REGULATING ARRANG...
Publication number
20150330271
Publication date
Nov 19, 2015
PIERBURG GMBH
Rolf Lappan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
FLOW CASING FOR AN OIL VALVE
Publication number
20150285395
Publication date
Oct 8, 2015
PIERBURG GMBH
Rolf Lappan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VALVE DEVICE FOR A HYDRAULIC CIRCUIT, AND OIL PUMP CONTROL ASSEMBLY
Publication number
20150139840
Publication date
May 21, 2015
PIERBURG GMBH
Rolf Lappan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VALVE DEVICE FOR A HYDRAULIC CIRCUIT, AND OIL-PUMP REGULATING ARRAN...
Publication number
20140326911
Publication date
Nov 6, 2014
PIERBURG GMBH
Rolf Lappan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SOLENOID VALVE
Publication number
20130264507
Publication date
Oct 10, 2013
PIERBURG GMBH
Franz-Josef Schnelker
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...