Inventor · disambiguated record
David C. Bean
Also filed as: BEAN DAVID C · LOGAN ALAN
3 granted patents·78 citations·filing 1975–1978
74Inventor score
Top patents by PatentIndex Score
3 records- 0187US4079158AAsphalt impregnated felt building materialsGULF OIL CANADA LTD·Filed 1975·Granted Mar 14, 1978·35 cites·9 claims
- 0259US4155654AApparatus for continuous preparation of sulfur asphalt binders and paving compositionsGULF OIL CANADA LTD·Filed 1978·Granted May 22, 1979·19 cites·11 claims
- 0357US4135022ABuilt-up roofing using sulfur asphaltGULF CANADA LTD·Filed 1975·Granted Jan 16, 1979·24 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →