David HARTWICH

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Bethel Park, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Refractory lining design for magnetic separation
- Patent number 12,263,487
- Issue date Apr 1, 2025
- HarbisonWalker International Holdings, Inc.
- David Hartwich
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents

Information Patent Application
REFRACTORY LINING DESIGN FOR MAGNETIC SEPARATION
- Publication number 20240416360
- Publication date Dec 19, 2024
- HarbisonWalker International Holdings, Inc.
- David Hartwich
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
REFRACTORY LINING DESIGN AND SEPARATION VIA DESTRUCTIVE HYDRATION
- Publication number 20230212078
- Publication date Jul 6, 2023
- HARBISONWALKER INTERNATIONAL, INC.
- David HARTWICH
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
REFRACTORY LINING DESIGN AND STEEL PRACTICE FOR LOW REFRACTORY WAST...
- Publication number 20230212077
- Publication date Jul 6, 2023
- HarbisonWalker International Holdings, Inc.
- David HARTWICH
- F27 - FURNACES KILNS OVENS RETORTS