Inventor · disambiguated record
Robert-Jan Bartels
Also filed as: BARTELS ROBERT · BARTELS ROBERT-JAN
9 granted patents·254 citations·filing 1990–1992
90Inventor score
Files withKRUPP MASCHINENTECHNIK9
Top patents by PatentIndex Score
9 records- 0187US5060761AAutomatic lubricating device for the chisel of a hydraulic striking mechanismKRUPP MASCHINENTECHNIK·Filed 1990·Granted Oct 29, 1991·63 cites·14 claims
- 0284US5199658ADual-force hydraulic drive for a demolition toolKRUPP MASCHINENTECHNIK·Filed 1992·Granted Apr 6, 1993·42 cites·10 claims
- 0381US5174387AMethod and apparatus for adapting the operational behavior of a percussion mechanism to the hardness of material that is being pounded by the percussion mechanismKRUPP MASCHINENTECHNIK·Filed 1991·Granted Dec 29, 1992·48 cites·20 claims
- 0471US5129466AHydraulically operated striking mechanismKRUPP MASCHINENTECHNIK·Filed 1991·Granted Jul 14, 1992·34 cites·11 claims
- 0568US5117921AHydraulically operated hammer drillKRUPP MASCHINENTECHNIK·Filed 1991·Granted Jun 2, 1992·31 cites·9 claims
- 0645US5259464APercussion mechanism for a drill rod unitKRUPP MASCHINENTECHNIK·Filed 1992·Granted Nov 9, 1993·12 cites·4 claims
- 0743US5038668AHydraulic striking mechanismKRUPP MASCHINENTECHNIK·Filed 1990·Granted Aug 13, 1991·10 cites·15 claims
- 0837US5273217AMethod and apparatus for improving the crushing action of demolition toolsKRUPP MASCHINENTECHNIK·Filed 1991·Granted Dec 28, 1993·10 cites·12 claims
- 0931US5168753AMeasuring device for detecting parameters charterizing the operating behavior of hydraulic assemblesKRUPP MASCHINENTECHNIK·Filed 1991·Granted Dec 8, 1992·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →