Inventor · disambiguated record
John J. Hahn
Also filed as: HAHN JOHN J · HAHN JOHN JOSEPH
15 granted patents·3 pending applications·202 citations·filing 1995–2020
93Inventor score
Top patents by PatentIndex Score
18 records- 0189US8048022B2Cassette for differential pressure based medication delivery flow sensor assembly for medication delivery monitoring and method of making the sameHOSPIRA INC·Filed 2009·Granted Nov 1, 2011·19 cites·15 claims
- 0285US6709251B2Self-contained frameless rotating mold supportMGS ENTPR INC·Filed 2001·Granted Mar 23, 2004·39 cites·11 claims
- 0384US6402504B1Rotary platen assemblyMGS MFG GROUP INC·Filed 2000·Granted Jun 11, 2002·35 cites·19 claims
- 0480US7393199B2Multi-shot injection molding arrangementMGS MFG GROUP INC·Filed 2005·Granted Jul 1, 2008·7 cites·12 claims
- 0577US6994810B2Multi-shot injection molding arrangementMGS MFG GROUP INC·Filed 2002·Granted Feb 7, 2006·16 cites·5 claims
- 0677US6371444B1Multi-shot, injection molded valveMGS MFG GROUP INC·Filed 2000·Granted Apr 16, 2002·17 cites·8 claims
- 0776US6352427B1Multi-shot injection molding arrangementMGS MFG GROUP INC·Filed 2000·Granted Mar 5, 2002·15 cites·12 claims
- 0873USD367672SChalkWALBUCK CRAYON CO·Filed 1995·Granted Mar 5, 1996·21 cites·1 claims
- 0970US7081179B2Method and system for high volume, in-machine assemblyMGS MFG GROUP INC·Filed 2003·Granted Jul 25, 2006·16 cites·18 claims
- 1062US6921190B2Injector with improved small shot meteringMGS MFG GROUP INC·Filed 2003·Granted Jul 26, 2005·5 cites·15 claims
- 1157US6887419B2De-gating mold for injection molding of elastic materialsMGS MFG GROUP INC·Filed 2002·Granted May 3, 2005·5 cites·8 claims
- 1256US7686604B2Coaxial injector screw providing improved small shot meteringMGS MFG GROUP INC·Filed 2004·Granted Mar 30, 2010·2 cites·7 claims
- 1356US6824726B2Cold runner system for sandwich moldingMGS MFG GROUP INC·Filed 2002·Granted Nov 30, 2004·3 cites·8 claims
- 1455US8286940B2Nozzle shutoff for an injection molding machineHAHN JOHN J·Filed 2008·Granted Oct 16, 2012·2 cites·20 claims
- 1550US2008111276A1Grip capHAHN JOHN J·Filed 2008·Application pending·0 cites
- 1648US2004011759A1Grip capFiled 2003·Application pending·0 cites
- 1747US11577655B2Flexible shelf guard for recreational vehiclesHAHN JOHN JOSEPH·Filed 2020·Granted Feb 14, 2023·0 cites·8 claims
- 1845US2007096364A1Sandwich molding system with independent runner passagesMGS MFG GROUP INC·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when John J. Hahn 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 →