Inventor · disambiguated record
Alfred Hirschvogel
Also filed as: FREUNDLINGER ERNST · HIRSCHVOGEL ALFRED
5 granted patents·203 citations·filing 1977–1999
84Inventor score
Top patents by PatentIndex Score
5 records- 0195US4091083AMethod for the production of graphite-hydrogensulfateSIGRI ELEKTROGRAPHIT GMBH·Filed 1977·Granted May 23, 1978·90 cites·5 claims
- 0277US5509993AProcess for the preparation of a metal and graphite laminateSIGRI GREAT LAKES CARBON GMBH·Filed 1994·Granted Apr 23, 1996·58 cites·42 claims
- 0374US6270083B1Packing yarn made of graphite foil and plastic foil and method of manufacturing a packing yarnSGL TECHNIK GMBH·Filed 1999·Granted Aug 7, 2001·39 cites·41 claims
- 0447US4216266AFlexible graphite sheet material treated with an alkali metal salt containing at least one of the elements chromium, molybdenum and tungstenSIGRI ELEKTROGRAPHIT GMBH·Filed 1978·Granted Aug 5, 1980·10 cites·14 claims
- 0537US4296177AFlexible graphite sheet, material or layer containing metal molybdateSIGRI ELEKTROGRAPHIT GMBH·Filed 1979·Granted Oct 20, 1981·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →