Inventor · disambiguated record
Harold Ellis
Also filed as: DE FONSO ALEXANDER · ELLIS HAROLD · ELLIS HAROLD HAL
7 granted patents·749 citations·filing 1975–1990
91Inventor score
Top patents by PatentIndex Score
7 records- 0195US4572862AFire barrier coating composition containing magnesium oxychlorides and high alumina calcium aluminate cements or magnesium oxysulphateDELPHIC RES LABOR·Filed 1984·Granted Feb 25, 1986·132 cites·18 claims
- 0295US4250398ASolid state electrically conductive laminateDELPHIC RES LABOR·Filed 1978·Granted Feb 10, 1981·142 cites·17 claims
- 0394US5130184AFire barrier coating and fire barrier plywoodPYROTITE CORP·Filed 1990·Granted Jul 14, 1992·188 cites·12 claims
- 0494US4818595AFire barrier coating and fire barrier plywoodDELPHIC RES LABOR·Filed 1987·Granted Apr 4, 1989·96 cites·21 claims
- 0593US4661398AFire-barrier plywoodDELPHIC RES LABOR·Filed 1984·Granted Apr 28, 1987·95 cites·10 claims
- 0690US3999040AHeating device containing electrically conductive compositionDELPHIC RES LABOR·Filed 1975·Granted Dec 21, 1976·55 cites·12 claims
- 0783US4064074AMethods for the manufacture and use of electrically conductive compositions and devicesDELPHIC RES LABOR·Filed 1976·Granted Dec 20, 1977·41 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →