Inventor · disambiguated record
David E. Heyer
Also filed as: HEYER DAVID E · HEYER DAVID EDWARD
6 granted patents·124 citations·filing 1973–1996
85Inventor score
Technology areasB29C
Files withDU PONT6
Top patents by PatentIndex Score
6 records- 0177US4255365APneumatic gauge adjustment of edge-pinned cast webDU PONT·Filed 1979·Granted Mar 10, 1981·33 cites·8 claims
- 0273US5753172AFilm bead heating for simultaneous stretchingDU PONT·Filed 1996·Granted May 19, 1998·36 cites·18 claims
- 0367US4017575AProduction of a flat thermoplastic film by passing the film over a bearing having a lubricating fluid on the surface thereofDU PONT·Filed 1973·Granted Apr 12, 1977·23 cites·1 claims
- 0458US4310295ADevice for uniform web pinningDU PONT·Filed 1981·Granted Jan 12, 1982·20 cites·5 claims
- 0534US4783304AVacuum pinning processDU PONT·Filed 1987·Granted Nov 8, 1988·6 cites·11 claims
- 0634US4501712AVacuum pinning of molten thermoplastic film to a roughened casting rollDU PONT·Filed 1982·Granted Feb 26, 1985·6 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →