Inventor · disambiguated record
Erwin Zurcher
Also filed as: ZUERCHER ERWIN · ZURCHER ERWIN
15 granted patents·239 citations·filing 1975–1989
93Inventor score
Files withMESDAN SPA3COTONIFICIO CANTONI SPA2FOMENTO INVERSIONES IND2BATTELLE MEMORIAL INSTITUTE1GRAF & CO AG1
Top patents by PatentIndex Score
15 records- 0188US4904174AApparatus for electrically charging meltblown webs (B-001)MOOSMAYER PETER·Filed 1988·Granted Feb 27, 1990·98 cites·12 claims
- 0284US4271568AMethod of cutting columns of thread loopsCOTONIFICIO CANTONI SPA·Filed 1978·Granted Jun 9, 1981·17 cites·1 claims
- 0365US4924062AMethod for hardening discrete identical elements integral with a common structure and regularly separated from each other and device for embodying this methodGRAF & CO AG·Filed 1989·Granted May 8, 1990·20 cites·6 claims
- 0464US4827740ADevice for controlling the knitting positions of the needles in a knitting machineSIPRA·Filed 1988·Granted May 9, 1989·12 cites·4 claims
- 0558US4406115AMethod of and means for unraveling a portion of textile yarnFOMENTO INVERSIONES IND·Filed 1981·Granted Sep 27, 1983·12 cites·22 claims
- 0657US4790036AMethod and device for the automatic cleaning of a toilet seatSCHNYDER ERIKA·Filed 1986·Granted Dec 13, 1988·30 cites·21 claims
- 0748US4244169ADevice for joining textile yarns by axial twistingFOMENTO INVERSIONES IND·Filed 1979·Granted Jan 13, 1981·9 cites·5 claims
- 0848US4159558AApparatus for the cutting of columns of thread loopsCOTONIFICIO CANTONI SPA·Filed 1977·Granted Jul 3, 1979·6 cites·9 claims
- 0945US4582740AProcess for covering a substrate with threads welded through the use of ultrasounds, a machine for the application of this process and a substrate covered with threads welded according to this processSIRS SOC INT REVETEMENTS SOL·Filed 1984·Granted Apr 15, 1986·8 cites·2 claims
- 1042US4315399AProcedure for cleaning a rotor of a spinning unit of the open-end typeSAVIO SPA·Filed 1980·Granted Feb 16, 1982·8 cites·2 claims
- 1141US4829759AUniversal method for loosening and unravelling a textile yarn and device for carrying out this methodMESDAN SPA·Filed 1988·Granted May 16, 1989·4 cites·7 claims
- 1241US4121450AApparatus for measuring the density of a moving elongate mass of filiform materialZELLWEGER USTER AG·Filed 1977·Granted Oct 24, 1978·7 cites·1 claims
- 1339US3999428AProcess and apparatus for continuously measuring the value of the tension in a filament being displaced from one point to anotherBATTELLE MEMORIAL INSTITUTE·Filed 1975·Granted Dec 28, 1976·4 cites·9 claims
- 1437US4890451AMethod for loosening and unravelling a textile yarnMESDAN SPA·Filed 1989·Granted Jan 2, 1990·3 cites·6 claims
- 1530US4888943AApparatus for loosening and unravelling a yarnMESDAN SPA·Filed 1989·Granted Dec 26, 1989·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →