Inventor · disambiguated record
Karlfried Preyer
Also filed as: PREYER KARLFRIED
2 granted patents·26 citations·filing 1998–2000
61Inventor score
Files withFEDERAL MOGUL BURSCHEID GMBH2
Top patents by PatentIndex Score
2 records- 0166US7117594B2Oil-scraper piston ring and a method for producing an oil-scraper piston ringFEDERAL MOGUL BURSCHEID GMBH·Filed 2000·Granted Oct 10, 2006·17 cites·6 claims
- 0231US6199274B1Method of making oil scraper piston ringsFEDERAL MOGUL BURSCHEID GMBH·Filed 1998·Granted Mar 13, 2001·9 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →