Inventor · disambiguated record
Davis B. Dwinell
Also filed as: DWINELL DAVIS B · DWINNELL DAVIS B
17 granted patents·2 pending applications·416 citations·filing 1975–2003
95Inventor score
Top patents by PatentIndex Score
19 records- 0185US6726048B2Drum plug and sealAMERICAN FLANGE & MFG·Filed 2002·Granted Apr 27, 2004·37 cites·5 claims
- 0282US4022357ARetractable pouring spout closureAMERICAN FLANGE & MFG·Filed 1975·Granted May 10, 1977·48 cites·3 claims
- 0380US6386405B1Snap on closure and methodLEER KONINKLIJKE EMBALLAGE·Filed 2000·Granted May 14, 2002·22 cites·15 claims
- 0479US4568006ANestable self-venting spoutAMERICAN FLANGE & MFG·Filed 1984·Granted Feb 4, 1986·49 cites·14 claims
- 0576US4117949AThreaded closureAMERICAN FLANGE & MFG·Filed 1975·Granted Oct 3, 1978·39 cites·1 claims
- 0675US4520942AContainer closure having a frangible outer capAMERICAN FLANGE & MFG·Filed 1984·Granted Jun 4, 1985·41 cites·8 claims
- 0775US4236629ANestable pouring spout assemblyAMERICAN FLANGE & MFG·Filed 1978·Granted Dec 2, 1980·37 cites·4 claims
- 0868US5221028APail closure with spout and improved sealLEER KONINKLIJKE EMBALLAGE·Filed 1992·Granted Jun 22, 1993·27 cites·4 claims
- 0967US4442949ATear open closure assemblyAMERICAN FLANGE & MFG·Filed 1983·Granted Apr 17, 1984·34 cites·10 claims
- 1063US4146148AFrangible closure for containers and methodAMERICAN FLANGE & MFG·Filed 1978·Granted Mar 27, 1979·25 cites·7 claims
- 1161US5906288AAnti-glug vent for plastic pailsLEER KONINKLIJKE EMBALLAGE·Filed 1997·Granted May 25, 1999·31 cites·3 claims
- 1258US6868993B2Pail vent and methodAMERICAN FLANGE & MFG·Filed 2002·Granted Mar 22, 2005·3 cites·13 claims
- 1350US2003213812A1Closure assembly and methodFiled 2003·Application pending·0 cites
- 1449US2002108974A1Snap on closureFiled 2002·Application pending·0 cites
- 1546US5256225APail closure application methodLEER KONINKLIJKE EMBALLAGE·Filed 1992·Granted Oct 26, 1993·12 cites·6 claims
- 1637USD344893SUltra-sonic welding hornAMERICAN FLANGE & MFG·Filed 1992·Granted Mar 8, 1994·2 cites·1 claims
- 1733US4905862AProtective closureAMERICAN FLANGE & MFG·Filed 1988·Granted Mar 6, 1990·6 cites·9 claims
- 1831USD381181SDrain outlet hole and residue drainAMERICAN FLANGE & MFG·Filed 1995·Granted Jul 15, 1997·1 cites·1 claims
- 1930US4163512ASingle use pouring spout and combinationAMERICAN FLANGE & MFG·Filed 1977·Granted Aug 7, 1979·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →