Inventor · disambiguated record
Gregory N. Feld
Also filed as: FELD GREGORY · FELD GREGORY N
4 granted patents·1 pending application·33 citations·filing 1992–2014
71Inventor score
Files withBUCYRUS ERIE CO1BUCYRUS INT INC1CATERPILLAR GLOBAL MINING LLC1NIGGEMANN BRIAN1RIES WILLIAM1
Top patents by PatentIndex Score
5 records- 0172US8272151B2Hoist and drag system for miningRIES WILLIAM·Filed 2010·Granted Sep 25, 2012·10 cites·20 claims
- 0258US5205657AThrust cage roller circleBUCYRUS ERIE CO·Filed 1992·Granted Apr 27, 1993·21 cites·8 claims
- 0346US6752282B2Swing drive assemblyBUCYRUS INT INC·Filed 2001·Granted Jun 22, 2004·2 cites·18 claims
- 0441US9400014B2Rotating assembly for machineCATERPILLAR GLOBAL MINING LLC·Filed 2014·Granted Jul 26, 2016·0 cites·18 claims
- 0533US2015176242A1Mast head for a draglineNIGGEMANN BRIAN·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →