Inventor · disambiguated record
Werner Erfgen
Also filed as: ERFGEN WERNER
4 granted patents·56 citations·filing 1997–2001
77Inventor score
Technology areasB65D
Files withRASSELSTEIN HOESCH GMBH4
Top patents by PatentIndex Score
4 records- 0163US6036043AEasily-opened can lidRASSELSTEIN HOESCH GMBH·Filed 1999·Granted Mar 14, 2000·31 cites·9 claims
- 0259US6601727B2Can lidRASSELSTEIN HOESCH GMBH·Filed 2001·Granted Aug 5, 2003·8 cites·18 claims
- 0357US6554556B2Method for the manufacture of a ring part out of sheet metal for a lid of a canRASSELSTEIN HOESCH GMBH·Filed 2001·Granted Apr 29, 2003·6 cites·5 claims
- 0438US5913651AMethod of manufacturing an easily-opened can lid, and easily-opened can lidRASSELSTEIN HOESCH GMBH·Filed 1997·Granted Jun 22, 1999·11 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Werner Erfgen 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 →