Robert-Jan Bartels

Person

Essen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for improving the crushing action of demolitio...
- Patent number 5,273,217
- Issue date Dec 28, 1993
- Krupp Maschinentechnik Gesellschaft mit beschrankter Haftung
- Robert-Jan Bartels
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Percussion mechanism for a drill rod unit
- Patent number 5,259,464
- Issue date Nov 9, 1993
- Krupp Maschinentechnik Gesellschaft mit beschrankter Haftung
- Robert-Jan Bartels
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Dual-force hydraulic drive for a demolition tool
- Patent number 5,199,658
- Issue date Apr 6, 1993
- Krupp Maschinentechnik Gesellschaft mit beschrankter Haftung
- Robert-Jan Bartels
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and apparatus for adapting the operational behavior of a per...
- Patent number 5,174,387
- Issue date Dec 29, 1992
- Krupp Maschinentechnik Gesellschaft mit beschrankter Haftung
- Friedrich K. Arndt
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Measuring device for detecting parameters charterizing the operatin...
- Patent number 5,168,753
- Issue date Dec 8, 1992
- Krupp Maschinentechnik Gesellschaft mit beschrankter Haftung
- Friedrich K. Arndt
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulically operated striking mechanism
- Patent number 5,129,466
- Issue date Jul 14, 1992
- Krupp Maschinentechnik Gesellschaft mit beschrankter Haftung
- Robert-Jan Bartels
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Hydraulically operated hammer drill
- Patent number 5,117,921
- Issue date Jun 2, 1992
- Krupp Maschinentechnik GmbH
- Robert-Jan Bartels
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Automatic lubricating device for the chisel of a hydraulic striking...
- Patent number 5,060,761
- Issue date Oct 29, 1991
- Krupp Maschinentechnik Gesellschaft mit beschrankter Haftung
- Friedrich K. Arndt
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Hydraulic striking mechanism
- Patent number 5,038,668
- Issue date Aug 13, 1991
- Krupp Maschinentechnik GmbH
- Friedrich-Karl Arndt
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Robert-Jan Bartels

Person

Patents Grantslast 30 patents

Method and apparatus for improving the crushing action of demolitio...

Percussion mechanism for a drill rod unit

Dual-force hydraulic drive for a demolition tool

Method and apparatus for adapting the operational behavior of a per...

Measuring device for detecting parameters charterizing the operatin...

Hydraulically operated striking mechanism

Hydraulically operated hammer drill

Automatic lubricating device for the chisel of a hydraulic striking...

Hydraulic striking mechanism