Assignee
AMERICAN FLANGE & MFG
29 granted patents·1 pending application·620 citations·filing 1974–2013
Top patents by PatentIndex Score
30 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
- 0379US4568006ANestable self-venting spoutAMERICAN FLANGE & MFG·Filed 1984·Granted Feb 4, 1986·49 cites·14 claims
- 0478US4003488ATear open bottle capAMERICAN FLANGE & MFG·Filed 1976·Granted Jan 18, 1977·41 cites·5 claims
- 0577US7287662B2Closure plug improvementAMERICAN FLANGE & MFG·Filed 2004·Granted Oct 30, 2007·17 cites·6 claims
- 0676US4117949AThreaded closureAMERICAN FLANGE & MFG·Filed 1975·Granted Oct 3, 1978·39 cites·1 claims
- 0775US7537132B2Tamper evident plug and combinationAMERICAN FLANGE & MFG·Filed 2004·Granted May 26, 2009·28 cites·8 claims
- 0875US4520942AContainer closure having a frangible outer capAMERICAN FLANGE & MFG·Filed 1984·Granted Jun 4, 1985·41 cites·8 claims
- 0975US4236629ANestable pouring spout assemblyAMERICAN FLANGE & MFG·Filed 1978·Granted Dec 2, 1980·37 cites·4 claims
- 1072US4105135AClosure plugAMERICAN FLANGE & MFG·Filed 1977·Granted Aug 8, 1978·41 cites·1 claims
- 1168US3974931ABottle capAMERICAN FLANGE & MFG·Filed 1975·Granted Aug 17, 1976·29 cites·7 claims
- 1267US4442949ATear open closure assemblyAMERICAN FLANGE & MFG·Filed 1983·Granted Apr 17, 1984·34 cites·10 claims
- 1366US3946894ADrum closureAMERICAN FLANGE & MFG·Filed 1974·Granted Mar 30, 1976·34 cites·4 claims
- 1463US4146148AFrangible closure for containers and methodAMERICAN FLANGE & MFG·Filed 1978·Granted Mar 27, 1979·25 cites·7 claims
- 1563US4004709ADrum closureAMERICAN FLANGE & MFG·Filed 1975·Granted Jan 25, 1977·30 cites·1 claims
- 1660US2014014661A1Drum ring and lever systemAMERICAN FLANGE & MFG·Filed 2013·Application pending·0 cites
- 1758US6868993B2Pail vent and methodAMERICAN FLANGE & MFG·Filed 2002·Granted Mar 22, 2005·3 cites·13 claims
- 1853US4173104ABottle capping apparatus and methodAMERICAN FLANGE & MFG·Filed 1978·Granted Nov 6, 1979·17 cites·4 claims
- 1949USD543004SDrum lidAMERICAN FLANGE & MFG·Filed 2004·Granted May 15, 2007·5 cites·1 claims
- 2049US4185756ADispensing package and methodAMERICAN FLANGE & MFG·Filed 1977·Granted Jan 29, 1980·22 cites·6 claims
- 2143USD548423SDrum lidAMERICAN FLANGE & MFG·Filed 2006·Granted Aug 7, 2007·4 cites·1 claims
- 2240USD548425SDrum lidAMERICAN FLANGE & MFG·Filed 2006·Granted Aug 7, 2007·3 cites·1 claims
- 2339US3940845AMethod of manufacturing closure flangesAMERICAN FLANGE & MFG·Filed 1975·Granted Mar 2, 1976·15 cites·3 claims
- 2437USD344893SUltra-sonic welding hornAMERICAN FLANGE & MFG·Filed 1992·Granted Mar 8, 1994·2 cites·1 claims
- 2537US4025421AGasket inspection methodAMERICAN FLANGE & MFG·Filed 1975·Granted May 24, 1977·5 cites·7 claims
- 2635USD548424SDrum lidAMERICAN FLANGE & MFG·Filed 2006·Granted Aug 7, 2007·2 cites·1 claims
- 2733US4905862AProtective closureAMERICAN FLANGE & MFG·Filed 1988·Granted Mar 6, 1990·6 cites·9 claims
- 2831USD381181SDrain outlet hole and residue drainAMERICAN FLANGE & MFG·Filed 1995·Granted Jul 15, 1997·1 cites·1 claims
- 2930US4163512ASingle use pouring spout and combinationAMERICAN FLANGE & MFG·Filed 1977·Granted Aug 7, 1979·2 cites·7 claims
- 3026US4429801ATear-off cap for closing bottlesAMERICAN FLANGE & MFG·Filed 1982·Granted Feb 7, 1984·3 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when AMERICAN FLANGE & MFG files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →