Inventor · disambiguated record
David W. Perkins
Also filed as: PERKINS DAVID W
19 granted patents·2 pending applications·494 citations·filing 1991–2022
96Inventor score
Top patents by PatentIndex Score
21 records- 0193US6000549ABulk containerPAPER SYSTEMS INC·Filed 1998·Granted Dec 14, 1999·94 cites·21 claims
- 0290US9302806B2Collapsible container with improved cornersPERKINS DAVID W·Filed 2013·Granted Apr 5, 2016·16 cites·20 claims
- 0387US10273070B2Collapsible containerPERKINS DAVID W·Filed 2017·Granted Apr 30, 2019·7 cites·17 claims
- 0487US7819269B2Bulk containerPLASTIC SYSTEMS INC·Filed 2006·Granted Oct 26, 2010·17 cites·20 claims
- 0587US6575629B1Collapsible bagPAPER SYSTEMS INC·Filed 2001·Granted Jun 10, 2003·45 cites·18 claims
- 0685US6516965B1Stackable collapsible containerPAPER SYSTEMS INC·Filed 2001·Granted Feb 11, 2003·37 cites·10 claims
- 0783US11549481B1Rotary generatorPERKINS DAVID W·Filed 2022·Granted Jan 10, 2023·1 cites·18 claims
- 0881US6834792B1Interlocking containerPLASTIC SYSTEMS INC·Filed 2002·Granted Dec 28, 2004·26 cites·16 claims
- 0975US5660119ALightweight structural beamPLASTIC SYSTEMS INC·Filed 1996·Granted Aug 26, 1997·50 cites·9 claims
- 1070US6164453ABulk containerPAPER SYSTEMS INC·Filed 1999·Granted Dec 26, 2000·35 cites·30 claims
- 1170US5353982AFluent containerPAPER SYSTEMS INC·Filed 1993·Granted Oct 11, 1994·44 cites·7 claims
- 1269US8016145B2Collapsible bulk containerPLASTIC SYSTEMS INC·Filed 2006·Granted Sep 13, 2011·2 cites·17 claims
- 1368US8016113B2Storage system with improved pole securement systemPLASTIC SYSTEMS INC·Filed 2008·Granted Sep 13, 2011·1 cites·4 claims
- 1465US5775541ALiquid container and valvePLASTIC SYSTEMS INC·Filed 1996·Granted Jul 7, 1998·31 cites·3 claims
- 1564US5579953ALiquid container and valvePLASTIC SYSTEMS INC·Filed 1995·Granted Dec 3, 1996·30 cites·12 claims
- 1659US7628310B2Interlocking containerPAPER SYSTEMS INC·Filed 2004·Granted Dec 8, 2009·4 cites·9 claims
- 1756US2008135438A1Bulk containerPLASTIC SYSTEMS INC·Filed 2006·Application pending·0 cites
- 1855US5813562AFluent containerPLASTIC SYSTEMS INC·Filed 1996·Granted Sep 29, 1998·25 cites·8 claims
- 1952US5549341AApparatus for securing contained materialPAPER SYSTEMS INC·Filed 1995·Granted Aug 27, 1996·24 cites·1 claims
- 2052US2015129649A1Interlocking containerPERKINS DAVID W·Filed 2013·Application pending·0 cites
- 2131US5340180AApparatus for securing contained materialPAPER SYSTEMS INC·Filed 1991·Granted Aug 23, 1994·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →