Assignee
AMERICAN MAPLAN CORP
23 granted patents·1 pending application·435 citations·filing 1980–2014
Top patents by PatentIndex Score
24 records- 0184US4408888ADouble-worm extrusion pressAMERICAN MAPLAN CORP·Filed 1981·Granted Oct 11, 1983·53 cites·1 claims
- 0283US6793474B2Method and system for dual co-extrusionAMERICAN MAPLAN CORP·Filed 2001·Granted Sep 21, 2004·22 cites·10 claims
- 0383US4856975ACoextrusion block, especially for the coextrusion of generally flat PVC articles, such as sidingAMERICAN MAPLAN CORP·Filed 1988·Granted Aug 15, 1989·54 cites·10 claims
- 0479US4541270AApparatus for testing plastic compositionsAMERICAN MAPLAN CORP·Filed 1984·Granted Sep 17, 1985·39 cites·5 claims
- 0577US4911628ATriwall siding apparatusAMERICAN MAPLAN CORP·Filed 1988·Granted Mar 27, 1990·51 cites·5 claims
- 0676US6769899B2Independent X/Y flow adjustable extrusion dieAMERICAN MAPLAN CORP·Filed 2001·Granted Aug 3, 2004·16 cites·7 claims
- 0771US4967800ASecondary confinement pipe having segments with interlocking rib and groove joints and coextruded sealant layers #4AMERICAN MAPLAN CORP·Filed 1989·Granted Nov 6, 1990·38 cites·20 claims
- 0870US7588708B2Spiral-webbed mandrelAMERICAN MAPLAN CORP·Filed 2006·Granted Sep 15, 2009·2 cites·7 claims
- 0966US7077639B2Spiral-webbed mandrelAMERICAN MAPLAN CORP·Filed 2003·Granted Jul 18, 2006·6 cites·7 claims
- 1065US4731002ATriple-wall foam coextrusion apparatusAMERICAN MAPLAN CORP·Filed 1986·Granted Mar 15, 1988·30 cites·4 claims
- 1162US4509907AExtrusion head for tubular bodies and hollow profilesAMERICAN MAPLAN CORP·Filed 1983·Granted Apr 9, 1985·26 cites·9 claims
- 1261US4846648ATriple-wall foam coextrusion apparatusAMERICAN MAPLAN CORP·Filed 1987·Granted Jul 11, 1989·26 cites·11 claims
- 1355US5628560ADouble-screw extruderAMERICAN MAPLAN CORP·Filed 1996·Granted May 13, 1997·18 cites·11 claims
- 1454US5198242ARotary turret embosserAMERICAN MAPLAN CORP·Filed 1991·Granted Mar 30, 1993·18 cites·12 claims
- 1553US6946094B2Adjustable sizing tubeAMERICAN MAPLAN CORP·Filed 2002·Granted Sep 20, 2005·7 cites·18 claims
- 1650US4385883APreheated extruderAMERICAN MAPLAN CORP·Filed 1980·Granted May 31, 1983·13 cites·5 claims
- 1748US7122141B2Method and system for dual co-extrusionAMERICAN MAPLAN CORP·Filed 2004·Granted Oct 17, 2006·0 cites·7 claims
- 1847US7329116B2Double-webbed mandrelAMERICAN MAPLAN CORP·Filed 2003·Granted Feb 12, 2008·2 cites·12 claims
- 1944US7758331B2Pipe support systemAMERICAN MAPLAN CORP·Filed 2006·Granted Jul 20, 2010·0 cites·12 claims
- 2043US9776354B2Extrusion processAMERICAN MAPLAN CORP·Filed 2014·Granted Oct 3, 2017·0 cites·13 claims
- 2141US2005206031A1Extrusion dieAMERICAN MAPLAN CORP·Filed 2004·Application pending·0 cites
- 2238US4874306ASiding dieAMERICAN MAPLAN CORP·Filed 1988·Granted Oct 17, 1989·9 cites·7 claims
- 2326US4867669ASafety air plug and extrusion apparatus using sameAMERICAN MAPLAN CORP·Filed 1988·Granted Sep 19, 1989·3 cites·4 claims
- 2424US4487508AExtruder provided with preheating stageAMERICAN MAPLAN CORP·Filed 1983·Granted Dec 11, 1984·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →