Inventor · disambiguated record
Daniel M. Spearman
Also filed as: SPEARMAN DANIEL M
3 granted patents·101 citations·filing 1986–1998
75Inventor score
Technology areasB01D
Files withPOROUS MEDIA CORP3
Top patents by PatentIndex Score
3 records- 0180US4814033AMethod of making a reinforced filter tubePOROUS MEDIA CORP·Filed 1987·Granted Mar 21, 1989·49 cites·9 claims
- 0277US4836931AReinforced filter tube and method of making the samePOROUS MEDIA CORP·Filed 1986·Granted Jun 6, 1989·42 cites·20 claims
- 0358USD410727SInlet filterPOROUS MEDIA CORP·Filed 1998·Granted Jun 8, 1999·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →