Assignee
AMPLAS INC
US·16 granted patents·325 citations·filing 1981–2003
Top patents by PatentIndex Score
16 records- 0183US5041070AIntermittent web feed apparatusAMPLAS INC·Filed 1990·Granted Aug 20, 1991·55 cites·26 claims
- 0278US4881933ADraw tape bag forming method and apparatusAMPLAS INC·Filed 1988·Granted Nov 21, 1989·36 cites·27 claims
- 0377US5086964ADual drive web feed apparatus and methodAMPLAS INC·Filed 1989·Granted Feb 11, 1992·31 cites·17 claims
- 0470US5074735AWicketing apparatusAMPLAS INC·Filed 1990·Granted Dec 24, 1991·21 cites·14 claims
- 0569US6422986B1Sealer apparatus for forming a cross seal in plastic film processing and particularly for bag making machinesAMPLAS INC·Filed 1999·Granted Jul 23, 2002·31 cites·28 claims
- 0662US6890290B2Method and apparatus for producing valve bagsAMPLAS INC·Filed 2003·Granted May 10, 2005·9 cites·34 claims
- 0761US6629917B2Sealer apparatus for plastic film processing including an adjustably mounted seal bar, particularly for bag making machinesAMPLAS INC·Filed 2001·Granted Oct 7, 2003·8 cites·11 claims
- 0861US6004252ABag making apparatus and method for making plastic bags including a wicket transfer unit and wicket conveyorAMPLAS INC·Filed 1997·Granted Dec 21, 1999·21 cites·22 claims
- 0954US6254521B1Apparatus for manufacture of a plastic bag with standup bottom wallAMPLAS INC·Filed 1999·Granted Jul 3, 2001·28 cites·22 claims
- 1052US4820249AMultiple seam forming apparatus for continuously running websAMPLAS INC·Filed 1988·Granted Apr 11, 1989·12 cites·14 claims
- 1152US4425988AIntermittent rotational driveAMPLAS INC·Filed 1981·Granted Jan 17, 1984·13 cites·19 claims
- 1250US4943035ABarricadeAMPLAS INC·Filed 1989·Granted Jul 24, 1990·25 cites·9 claims
- 1350US4820251AWeb notching control apparatusAMPLAS INC·Filed 1988·Granted Apr 11, 1989·12 cites·13 claims
- 1445US4824425AWeb hem method and apparatus for insuring a flat hem in a webAMPLAS INC·Filed 1988·Granted Apr 25, 1989·12 cites·13 claims
- 1541US5746569ABag forming machine having adjustable support structure for paired work elementsAMPLAS INC·Filed 1996·Granted May 5, 1998·9 cites·14 claims
- 1619US5672235APlastic film stripper apparatus and method for heated sealing apparatusAMPLAS INC·Filed 1995·Granted Sep 30, 1997·2 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →