Inventor · disambiguated record
Claus Sonntag
Also filed as: SONNTAG CLAUS
2 granted patents·75 citations·filing 1986–1987
65Inventor score
Technology areasE21B
Top patents by PatentIndex Score
2 records- 0178US4705109AControlled retracting gasifying agent injection point process for UCG sitesINSTITUTION POUR LE DEV DE LA·Filed 1986·Granted Nov 10, 1987·68 cites·2 claims
- 0225US4754811AControlled retracting gasifying agent injection point process for UCG sitesINST DEV GAZEIFIC SOUTERRAINE·Filed 1987·Granted Jul 5, 1988·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →