MP

Maria Pettersson

AA Atlas Copco Rock Drills Ab: 5 patents #6 of 89Top 7%
IA Ihi Ionbond Ag.: 3 patents #1 of 15Top 7%
DA Delaval Holding Ab: 1 patents #120 of 268Top 45%
EA Epiroc Rock Drills Aktiebolag: 1 patents #18 of 55Top 35%
Overall (All Time): #459,617 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10456898 Damping device for a percussion device, percussion device and rock drilling machine 2019-10-29
10105468 Implants with wear resistant coatings and methods Håkan Engqvist, Johanna André, Lars Hultman 2018-10-23
9833545 Implants with wear resistant coatings and methods Håkan Engqvist, Johanna André, Lars Hultman 2017-12-05
9724813 Device for rock and-concrete machining 2017-08-08
9393348 Implants with wear resistant coatings and methods Håkan Engqvist, Johanna Olofsson, Lars Hultman 2016-07-19
9289889 Hydraulic impact mechanism for use in equipment for treating rock and concrete Anders Johansson 2016-03-22
8291937 Accumulator membrane unit, method for production thereof and rock drilling machine including such an accumulator membrane unit Gunnar Sjödin, Peder Haraldsson, Magnus Walter, Lennart Donsé, Per-Erik Larsson 2012-10-23
8210122 Arrangement and method for determining positions of the teats of a milking animal Johan Andrén Dinerf 2012-07-03
7900448 Pulse generator and impulse machine for a cutting tool 2011-03-08
7762352 Arrangement and method for controlling drilling parameters 2010-07-27
5247869 Method and a device for damping flow pulsations in hydrostatic hydraulic machines of the displacement type Jan-Ove Palmberg, Stig Ingemar Bratt 1993-09-28