Inventor · disambiguated record
Walter Koellner
Also filed as: KOELLNER WALTER · KOELLNER WALTER G
5 granted patents·1 pending application·170 citations·filing 2003–2022
82Inventor score
Files withBUCYRUS INT INC1KOELLNER WALTER1MAZUMDAR JOY1RTG RAMMTECHNIK GMBH1SIEMENS ENERGY & AUTOMAT1
Top patents by PatentIndex Score
6 records- 0197US7832126B2Systems, devices, and/or methods regarding excavatingSIEMENS INDUSTRY INC·Filed 2008·Granted Nov 16, 2010·97 cites·18 claims
- 0294US8550008B2System and method for reinjection of retard energy in a trolley-based electric mining haul truckMAZUMDAR JOY·Filed 2012·Granted Oct 8, 2013·17 cites·18 claims
- 0388US7398012B2Method for powering mining equipmentSIEMENS ENERGY & AUTOMAT·Filed 2005·Granted Jul 8, 2008·37 cites·20 claims
- 0471US7024805B2Dragline excavating machine with direct drive hoist and drag drumsBUCYRUS INT INC·Filed 2003·Granted Apr 11, 2006·19 cites·20 claims
- 0531US2005253551A1System for powering mining equipmentKOELLNER WALTER·Filed 2005·Application pending·0 cites
- 0628US12486633B2Civil engineering machineRTG RAMMTECHNIK GMBH·Filed 2022·Granted Dec 2, 2025·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →