Inventor · disambiguated record
Douglas Purcell
Also filed as: PURCELL DOUGLAS K
7 granted patents·4 pending applications·117 citations·filing 2000–2007
86Inventor score
Files withPURCELL DOUGLAS K2WESTVACO CORP2MEAD WESTVACO CORP1MEADWESTVACO CORP1MEADWESTVACO CORPORATE CT1
Top patents by PatentIndex Score
11 records- 0179US6237844B1Inside bangtail envelopeWESTVACO CORP·Filed 2000·Granted May 29, 2001·31 cites·2 claims
- 0278US6491213B2Easy open envelopeFiled 2001·Granted Dec 10, 2002·25 cites·3 claims
- 0374US6196447B1Envelope with outside coupon flapWESTVACO CORP·Filed 2000·Granted Mar 6, 2001·28 cites·4 claims
- 0471US7137223B1Filling station for watering cansPURCELL DOUGLAS K·Filed 2004·Granted Nov 21, 2006·14 cites·15 claims
- 0570US8322597B2Insert and envelope assemblyPURCELL DOUGLAS K·Filed 2006·Granted Dec 4, 2012·6 cites·23 claims
- 0659US6866183B2Adjustable envelopeMEADWESTVACO CORP·Filed 2002·Granted Mar 15, 2005·7 cites·12 claims
- 0754US2008041927A1Insert and envelope assemblyMEADWESTVACO CORPORATE CT·Filed 2007·Application pending·0 cites
- 0849US2004217156A1Easy open envelopeFiled 2004·Application pending·0 cites
- 0947US2004226986A1Side seam envelopeFiled 2004·Application pending·0 cites
- 1046US6716150B2Easy open envelopeMEAD WESTVACO CORP·Filed 2002·Granted Apr 6, 2004·6 cites·15 claims
- 1142US2003034383A1Variable length envelopeFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →