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Maria Pettersson
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Mellosa, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Damping device for a percussion device, percussion device and rock...
Patent number
10,456,898
Issue date
Oct 29, 2019
Epiroc Rock Drills Aktiebolag
Maria Pettersson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Device for rock and-concrete machining
Patent number
9,724,813
Issue date
Aug 8, 2017
Atlas Copco Rock Drills AB
Maria Pettersson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Hydraulic impact mechanism for use in equipment for treating rock a...
Patent number
9,289,889
Issue date
Mar 22, 2016
Atlas Copco Rock Drills AB
Maria Pettersson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Accumulator membrane unit, method for production thereof and rock d...
Patent number
8,291,937
Issue date
Oct 23, 2012
Atlas Copco Rock Drills AB
Gunnar Sjödin
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Pulse generator and impulse machine for a cutting tool
Patent number
7,900,448
Issue date
Mar 8, 2011
Atlas Copco Rock Drills AB
Maria Pettersson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Arrangement and method for controlling drilling parameters
Patent number
7,762,352
Issue date
Jul 27, 2010
Atlas Copco Rock Drills AB
Maria Pettersson
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Damping Device For A Percussion Device, Percussion Device And Rock...
Publication number
20160318167
Publication date
Nov 3, 2016
ATLAS COPCO ROCK DRILLS AB
Maria Pettersson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
DEVICE FOR ROCK AND - CONCRETE MACHINING
Publication number
20130327555
Publication date
Dec 12, 2013
Maria Pettersson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
HYDRAULIC IMPACT MECHANISM FOR USE IN EQUIPMENT FOR TREATING ROCK A...
Publication number
20130186667
Publication date
Jul 25, 2013
Maria Pettersson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
ACCUMULATOR MEMBRANE UNIT, METHOD FOR PRODUCTION THEREOF AND ROCK D...
Publication number
20110220419
Publication date
Sep 15, 2011
Gunnar Sjödin
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Pulse Generator and Impulse Machine for a Cutting Tool
Publication number
20090173070
Publication date
Jul 9, 2009
ATLAS COPCO ROCK DRILLS AB
Maria Pettersson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Arrangement and method for controlling drilling parameters
Publication number
20090044976
Publication date
Feb 19, 2009
Maria Pettersson
E21 - EARTH DRILLING MINING