Inventor · disambiguated record
Karl-Christian Zerfass
Also filed as: ZERFASS KARL C · ZERFASS KARL-CHRISTIAN
6 granted patents·158 citations·filing 1983–1994
86Inventor score
Files withHOECHST AG6
Top patents by PatentIndex Score
6 records- 0181US5017426ALaminateHOECHST AG·Filed 1990·Granted May 21, 1991·46 cites·6 claims
- 0274US4755423ALaminateHOECHST AG·Filed 1987·Granted Jul 5, 1988·29 cites·7 claims
- 0368US5612114ATextile composite, production thereof and use thereofHOECHST AG·Filed 1994·Granted Mar 18, 1997·38 cites·21 claims
- 0459US5130178ASupport web for roofing membranesHOECHST AG·Filed 1991·Granted Jul 14, 1992·29 cites·11 claims
- 0542US4535526AMethod for covering a length of pipeHOECHST AG·Filed 1983·Granted Aug 20, 1985·8 cites·12 claims
- 0637US4987027ASupport web for roof foundation websHOECHST AG·Filed 1989·Granted Jan 22, 1991·8 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →