Inventor · disambiguated record
Helmut Grahmann
Also filed as: GRAHMANN HELMUT · MAIER GERHARD
3 granted patents·27 citations·filing 1978–1985
69Inventor score
Top patents by PatentIndex Score
3 records- 0165US4469983AElectric lamp with an envelope seal designed as pinch seal, and a device and method for its manufacturePATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1982·Granted Sep 4, 1984·13 cites·20 claims
- 0247US4178050AManufacture of halogen cycle incandescent lampsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1978·Granted Dec 11, 1979·8 cites·8 claims
- 0343US4672263ASingle-ended fluorescent discharge lamp constructionPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1985·Granted Jun 9, 1987·6 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →