Inventor · disambiguated record
Joseph Helfrich
Also filed as: HELFRICH JOSEPH
6 granted patents·2 pending applications·71 citations·filing 1979–2014
83Inventor score
Files withONSAGER MICHAEL GORDON2BUCYRUS INT INC1BUCYRUS INTERNAT INC1CATERPILLAR GLOBAL MINING LLC1GRANDS CHAIS DE FRANCE S A S1
Top patents by PatentIndex Score
8 records- 0187US8362629B2Energy management system for heavy equipmentBUCYRUS INTERNAT INC·Filed 2010·Granted Jan 29, 2013·16 cites·19 claims
- 0283US8626403B2Energy management and storage systemONSAGER MICHAEL GORDON·Filed 2010·Granted Jan 7, 2014·11 cites·20 claims
- 0383USD265794SBottleLes Grands Chais deFrance·Filed 1979·Granted Aug 17, 1982·22 cites·1 claims
- 0471US8718845B2Energy management system for heavy equipmentONSAGER MICHAEL GORDON·Filed 2010·Granted May 6, 2014·5 cites·11 claims
- 0565USD738738SBottleGRANDS CHAIS DE FRANCE S A S·Filed 2014·Granted Sep 15, 2015·16 cites·1 claims
- 0655US9120387B2Energy management system for heavy equipmentCATERPILLAR GLOBAL MINING LLC·Filed 2014·Granted Sep 1, 2015·1 cites·20 claims
- 0742US2011056192A1Technique for controlling pumps in a hydraulic systemWEBER ROBERT·Filed 2009·Application pending·0 cites
- 0837US2011056194A1Hydraulic system for heavy equipmentBUCYRUS INT INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →