Inventor · disambiguated record
Maurice W. Blackwelder
Also filed as: BLACKWELDER MAURICE W
13 granted patents·413 citations·filing 1974–1999
94Inventor score
Files withOWENS ILLINOIS PLASTIC PROD6OWENS ILLINOIS LABELS INC5AMERICAN FUJI SEAL INC1OWENS ILLINOIS INC1
Top patents by PatentIndex Score
13 records- 0189US5443769APolystyrene foam sheet manufactureOWENS ILLINOIS PLASTIC PROD·Filed 1993·Granted Aug 22, 1995·50 cites·15 claims
- 0288US5082608APolystyrene foam sheet manufactureOWENS ILLINOIS PLASTIC PROD·Filed 1990·Granted Jan 21, 1992·57 cites·17 claims
- 0386US5925450APolystyrene foam sheet manufactureOWENS ILLINOIS PLASTIC PROD·Filed 1997·Granted Jul 20, 1999·52 cites·19 claims
- 0486US5861201AMultilayer label materialOWENS ILLINOIS LABELS INC·Filed 1997·Granted Jan 19, 1999·66 cites·83 claims
- 0581US5753326AClear film extrusion from an annular dieOWENS ILLINOIS LABELS INC·Filed 1995·Granted May 19, 1998·39 cites·2 claims
- 0669US5322664AClear film extrusion from an annular dieOWENS ILLINOIS LABELS INC·Filed 1993·Granted Jun 21, 1994·25 cites·6 claims
- 0768US5674602APolystyrene foam sheet manufactureOWENS ILLINOIS PLASTIC PROD·Filed 1993·Granted Oct 7, 1997·20 cites·6 claims
- 0865US6042907ACoextrusion of multilayer film for container sleeve labelsOWENS ILLINOIS LABELS INC·Filed 1997·Granted Mar 28, 2000·26 cites·14 claims
- 0956US6406653B1Coextrusion of multilayer film for container sleeve labelsAMERICAN FUJI SEAL INC·Filed 1999·Granted Jun 18, 2002·19 cites·32 claims
- 1052US6074678APlastic sheet base for packaging baconOWENS ILLINOIS LABELS INC·Filed 1998·Granted Jun 13, 2000·19 cites·23 claims
- 1151US5026338AMethod for forming a rolled rim in a fabricated thermoplastic containerOWENS ILLINOIS PLASTIC PROD·Filed 1989·Granted Jun 25, 1991·15 cites·5 claims
- 1249US3985931AMethod for the cooling of a tubular extrudate of expanded polystyreneOWENS ILLINOIS INC·Filed 1974·Granted Oct 12, 1976·12 cites·4 claims
- 1345US5176607AMethod and apparatus for forming a fabricated thermoplastic container and a fabricated thermoplastic container fabricated therebyOWENS ILLINOIS PLASTIC PROD·Filed 1990·Granted Jan 5, 1993·13 cites·29 claims
Join the waitlist — get patent alerts
Get an alert when Maurice W. Blackwelder files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →