Inventor · disambiguated record
Helfried Weinzerl
Also filed as: WEINZERL HELFRIED
4 granted patents·2 pending applications·63 citations·filing 1998–2006
77Inventor score
Files withUNAXIS BALZERS AG3OC OERLIKON BALZERS AG1UNAXIS BALZERS AG OF BALZERS L1UNAXIS BALZERS LTD1
Top patents by PatentIndex Score
6 records- 0181US6351446B1Optical data storage diskUNAXIS BALZERS AG·Filed 1998·Granted Feb 26, 2002·45 cites·19 claims
- 0271US7335521B2Method for the production of multilayer discsOC OERLIKON BALZERS AG·Filed 2005·Granted Feb 26, 2008·5 cites·11 claims
- 0367US6669987B1Method for vacuum treatment of workpieces and vacuum treatment facilityUNAXIS BALZERS AG·Filed 2000·Granted Dec 30, 2003·9 cites·17 claims
- 0458US6645352B2Optical data storage diskUNAXIS BALZERS AG·Filed 2001·Granted Nov 11, 2003·4 cites·33 claims
- 0543US2006245341A1Reusable stamper for optical diskUNAXIS BALZERS LTD·Filed 2006·Application pending·0 cites
- 0643US2004096583A1Method for vacuum treatment of workpieces and vacuum treatment installationUNAXIS BALZERS AG OF BALZERS L·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Helfried Weinzerl 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 →