Inventor · disambiguated record
John F. Zwirlein
Also filed as: ZWIRLEIN JOHN F · ZWIRLEIN JR JOHN F
6 granted patents·156 citations·filing 1976–1990
85Inventor score
Files withOLIN CORP6
Top patents by PatentIndex Score
6 records- 0186US4204977APolyurethane foam generating apparatusOLIN CORP·Filed 1978·Granted May 27, 1980·45 cites·12 claims
- 0280US4073664AAutomatically controlled cleaning fluid circuit for a foam generating apparatus and methodOLIN CORP·Filed 1976·Granted Feb 14, 1978·40 cites·29 claims
- 0377US4534802AAir purge/solvent bath methodOLIN CORP·Filed 1984·Granted Aug 13, 1985·32 cites·24 claims
- 0453US4460126AAir purge/solvent bath apparatus and methodOLIN CORP·Filed 1982·Granted Jul 17, 1984·13 cites·8 claims
- 0546US5040728AComposite valving rod scraper device and cartridgeOLIN CORP·Filed 1990·Granted Aug 20, 1991·16 cites·33 claims
- 0634US5074470AValving rod with scraper device for foam dispensing apparatusOLIN CORP·Filed 1990·Granted Dec 24, 1991·10 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →