Assignee
WOELLNER WERKE
3 granted patents·53 citations·filing 1979–1980
Top patents by PatentIndex Score
3 records- 0171US4273910ACold hardening binding agent for particulate solids, such as molding sand, containing a nitrogen basic polyolWOELLNER WERKE·Filed 1980·Granted Jun 16, 1981·26 cites·12 claims
- 0255US4338374AFireproof materialWOELLNER WERKE·Filed 1980·Granted Jul 6, 1982·17 cites·25 claims
- 0342US4317851AMethod for spray applying an insulating coating to metallic or non-metallic objectsWOELLNER WERKE·Filed 1979·Granted Mar 2, 1982·10 cites·12 claims
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