Inventor · disambiguated record
Helmut Durr
Also filed as: DUERR HELMUT · DURR HELMUT · DURR HELMUT E
20 granted patents·402 citations·filing 1975–1998
96Inventor score
Top patents by PatentIndex Score
20 records- 0185US5343621AShaving apparatusBRAUN AG·Filed 1993·Granted Sep 6, 1994·64 cites·2 claims
- 0283US5235749AShaving apparatusBRAUN AG·Filed 1992·Granted Aug 17, 1993·60 cites·15 claims
- 0379US6190184B1Connector for electric appliancesBRAUN AG·Filed 1998·Granted Feb 20, 2001·42 cites·22 claims
- 0479US4183692ACable pulling eyeWESTERN ELECTRIC CO·Filed 1978·Granted Jan 15, 1980·27 cites·2 claims
- 0575US4772666ACurable mixtures and their useHOECHST AG·Filed 1987·Granted Sep 20, 1988·26 cites·19 claims
- 0669US4777893APresser foot assemblyUNION SPECIAL GMBH·Filed 1987·Granted Oct 18, 1988·9 cites·12 claims
- 0764US4322325AWater-dilutable binder mixture, and its use for the production of a two-layer metallic paint coatingHOECHST AG·Filed 1980·Granted Mar 30, 1982·17 cites·10 claims
- 0857US5507095AElectric shaving apparatusBRAUN AG·Filed 1992·Granted Apr 16, 1996·28 cites·29 claims
- 0955US4281617AApparatus for coating conductorsWESTERN ELECTRIC CO·Filed 1979·Granted Aug 4, 1981·13 cites·8 claims
- 1050US5289636AElectric shaving apparatusBRAUN AG·Filed 1992·Granted Mar 1, 1994·21 cites·26 claims
- 1149US5201781ACoupling for the cutter assembly of twin-head shaversBRAUN AG·Filed 1990·Granted Apr 13, 1993·20 cites·12 claims
- 1249US4039493AMelamine-formaldehyde condensates and mixtures thereofCASSELLA FARBWERKE MAINKUR AG·Filed 1975·Granted Aug 2, 1977·10 cites·10 claims
- 1348US5257456AShaving apparatusBRAUN AG·Filed 1992·Granted Nov 2, 1993·19 cites·20 claims
- 1444US5245754ADry shaving apparatusBRAUN AG·Filed 1992·Granted Sep 21, 1993·16 cites·14 claims
- 1542US4570499ASwing bridgeBRAUN AG·Filed 1984·Granted Feb 18, 1986·7 cites·5 claims
- 1642US4218285AMethods of pulp-insulating a conductorWESTERN ELECTRIC CO·Filed 1978·Granted Aug 19, 1980·7 cites·9 claims
- 1740US4388029AConditioning apparatus for case metal barsWESTERN ELECTRIC CO·Filed 1980·Granted Jun 14, 1983·5 cites·6 claims
- 1840US4383055AProcess for preparing heat-curable, water-dilutable coating compositions and their use as coatingsHOECHST AG·Filed 1981·Granted May 10, 1983·8 cites·11 claims
- 1931US4191339AApparatus for supporting a reel of cable for rotationWESTERN ELECTRIC CO·Filed 1979·Granted Mar 4, 1980·1 cites·10 claims
- 2026US4425474APulp-insulated conductor cableWESTERN ELECTRIC CO·Filed 1981·Granted Jan 10, 1984·2 cites·11 claims
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