Inventor · disambiguated record
Wolfgang Drefs
Also filed as: DREFS WOLFGANG
10 granted patents·1 pending application·61 citations·filing 1989–2008
87Inventor score
Top patents by PatentIndex Score
11 records- 0180US6387220B1Vacuum conveyorVOITH SULZER PAPIERTECH PATENT·Filed 2000·Granted May 14, 2002·17 cites·19 claims
- 0270US5114062ARoll for guiding web type materialVOITH GMBH J M·Filed 1989·Granted May 19, 1992·17 cites·8 claims
- 0368US6739545B2Process for winding a running material web and winding apparatus for conducting the processVOITH PAPER PATENT GMBH·Filed 2002·Granted May 25, 2004·10 cites·91 claims
- 0463US6994773B2Method and apparatus for the transferring of a flexible material webVOITH PAPER PATENT GMBH·Filed 2001·Granted Feb 7, 2006·4 cites·28 claims
- 0558US7005036B2Method and apparatus for the transferring of a flexible material webVOITH PAPER PATENT GMBH·Filed 2003·Granted Feb 28, 2006·2 cites·31 claims
- 0656US7976680B2Rope guide arrangementVOITH PATENT GMBH·Filed 2008·Granted Jul 12, 2011·0 cites·27 claims
- 0755US7381304B2Method and system for threading a running paper webVOITH PAPER PATENT GMBH·Filed 2003·Granted Jun 3, 2008·2 cites·14 claims
- 0853US6928912B2Method and apparatus for transferring a webVOITH PAPER PATENT GMBH·Filed 2002·Granted Aug 16, 2005·5 cites·18 claims
- 0947US6494992B2Vacuum conveyorVOITH SULZER PAPIERTECH PATENT·Filed 2001·Granted Dec 17, 2002·2 cites·6 claims
- 1042US7278603B2Method for transferring a feed strip of a material web onto a winding deviceVOITH PAPER PATENT GMBH·Filed 2003·Granted Oct 9, 2007·2 cites·35 claims
- 1142US2005167065A1Method and apparatus for transferring a webVOITH PAPER PATENT GMBH·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Wolfgang Drefs files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →