Inventor · disambiguated record
Mark Jonathan Francis
Also filed as: FRANCIS MARK · FRANCIS MARK JONATHAN
3 granted patents·4 pending applications·7 citations·filing 2011–2020
60Inventor score
Top patents by PatentIndex Score
7 records- 0184US8919463B2Polycrystalline diamond cutting elementSETLUR DEEPTHI RAJ·Filed 2011·Granted Dec 30, 2014·5 cites·30 claims
- 0259US10000975B2Cutting elementNOV DOWNHOLE EURASIA LTD·Filed 2014·Granted Jun 19, 2018·2 cites·23 claims
- 0357US2020149353A1Polycrystalline Diamond Cutting ElementNAT OILWELL DHT LP·Filed 2020·Application pending·0 cites
- 0455US10570667B2Polycrystalline diamond cutting elementNAT OILWELL DHT LP·Filed 2014·Granted Feb 25, 2020·0 cites·15 claims
- 0550US2014231151A1Optimum powder placement in polycrystalline diamond cuttersNAT OILWELL VARCO LP·Filed 2014·Application pending·0 cites
- 0635US2018009035A1Manufacturing methodNOV DOWNHOLE EURASIA LTD·Filed 2015·Application pending·0 cites
- 0730US2018185916A1Fabrication Method Using Foam Elements, and Structures Fabricated Using The MethodNOV DOWNHOLE EURASIA LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →