Inventor · disambiguated record
Mark David Richards
Also filed as: RICHARDS MARK · RICHARDS MARK DAVID
2 granted patents·1 pending application·1 citations·filing 2014–2018
30Inventor score
Technology areasC21D
Top patents by PatentIndex Score
3 records- 0159US9670570B2High carbon steel rail with enhanced ductilityEVRAZ INC NA CANADA·Filed 2014·Granted Jun 6, 2017·1 cites·12 claims
- 0240US2017349986A1Copper Containing Rail SteelCOLORADO SCHOOL OF MINES·Filed 2017·Application pending·0 cites
- 0334US10851436B2Method for joining steel rails with controlled weld heat inputCF&I STEEL L P·Filed 2018·Granted Dec 1, 2020·0 cites·41 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →