Inventor · disambiguated record

David Hartwich

Also filed as: HARTWICH DAVID

1 granted patent·1 pending application·0 citations·filing 2023–2025

13Inventor score

Technology areasC04B

Files withHARBISONWALKER INT HOLDINGS INC2

Top patents by PatentIndex Score

2 records

0164US12263487B2Refractory lining design for magnetic separationHARBISONWALKER INT HOLDINGS INC·Filed 2023·Granted Apr 1, 2025·0 cites·11 claims
0252US2025196157A1Refractory lining design for magnetic separationHARBISONWALKER INT HOLDINGS INC·Filed 2025·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →