Inventor · disambiguated record
Friedrich Werner
Also filed as: WERNER FRIEDRICH
16 granted patents·199 citations·filing 1978–2002
93Inventor score
Top patents by PatentIndex Score
16 records- 0187US4495369AProcess for the preparation of neopentylamineBAYER AG·Filed 1981·Granted Jan 22, 1985·26 cites·11 claims
- 0275US4447647AProcess for the preparation of 2,4,6-trichloroanilineBAYER AG·Filed 1982·Granted May 8, 1984·12 cites·12 claims
- 0374US6062355AEnergy-absorbing deviceABB DAIMLER BENZ TRANSP·Filed 1998·Granted May 16, 2000·33 cites·16 claims
- 0474US4729419AMold and manufacturing method for hollow cast product with bottomKUBOTA LTD·Filed 1986·Granted Mar 8, 1988·12 cites·6 claims
- 0570US6167815B1Rail vehicle with an impact absorbing deviceABB DAIMLER BENZ TRANSP·Filed 1998·Granted Jan 2, 2001·30 cites·15 claims
- 0667US5175193AProcess for the preparation of weakly acid cation exchange resinsBAYER AG·Filed 1991·Granted Dec 29, 1992·18 cites·6 claims
- 0764US7040569B2Winding tube and method for the production thereofALCAN INT LTD·Filed 2002·Granted May 9, 2006·10 cites·14 claims
- 0859US5414020AProcess for the preparation of anion exchange resins of the poly(meth)acrylamide typeBAYER AG·Filed 1993·Granted May 9, 1995·19 cites·5 claims
- 0950US4739104AProcess for the preparation of pivaloylpyruvic acid estersBAYER AG·Filed 1983·Granted Apr 19, 1988·3 cites·6 claims
- 1050US4452280AFlexible hose wound of a web material and reinforced with wire windingsALCAN OHLER GMBH·Filed 1982·Granted Jun 5, 1984·16 cites·3 claims
- 1145US4661621AProcess for the preparation of pivaloylacetic acid estersBAYER AG·Filed 1984·Granted Apr 28, 1987·2 cites·6 claims
- 1242US4988738AProcess for the preparation of bifunctional anion exchange resins, new bifunctional anion exchange resins and use thereofBAYER AG·Filed 1989·Granted Jan 29, 1991·7 cites·8 claims
- 1342US4265833AProcess for the preparation of hydroxy-diphenylaminesBAYER AG·Filed 1979·Granted May 5, 1981·1 cites·4 claims
- 1438US5775231ARail vehicle with crossbeam elastically held to undercarriageABB DAIMLER BENZ TRANSP·Filed 1996·Granted Jul 7, 1998·9 cites·13 claims
- 1532US4785871AManufacturing method for hollow cast product with bottomKUBOTA LTD·Filed 1987·Granted Nov 22, 1988·1 cites·7 claims
- 1632US4137238AProcess for the preparation of 2-hydroxycarbazolesBAYER AG·Filed 1978·Granted Jan 30, 1979·0 cites·7 claims
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