Inventor · disambiguated record
David E. Havens
Also filed as: HAVENS DAVID E · HAVENS DAVID ERNEST
17 granted patents·4 pending applications·460 citations·filing 2002–2019
95Inventor score
Files withCORNERSTONE RES GROUP INC7EVERHART JOEL JAMES3HAVENS DAVID E3EVERHART MATTHEW C2SPINTECH LLC2
Top patents by PatentIndex Score
21 records- 0197US7422714B1Method of using a shape memory material as a mandrel for composite part manufacturingCORNERSTONE RES GROUP INC·Filed 2005·Granted Sep 9, 2008·87 cites·2 claims
- 0296US6986855B1Structural and optical applications for shape memory polymers (SMP)CORNERSTONE RES GROUP·Filed 2002·Granted Jan 17, 2006·195 cites·24 claims
- 0393US8608890B2Reconfigurable shape memory polymer tooling supportsEVERHART JOEL JAMES·Filed 2011·Granted Dec 17, 2013·15 cites·11 claims
- 0493US8033237B2Environmental condition cumulative tracking integration sensor using shape memory polymerCORNERSTONE RES GROUP INC·Filed 2006·Granted Oct 11, 2011·43 cites·24 claims
- 0592US8974217B2Reconfigurable shape memory polymer tooling supportsEVERHART JOEL JAMES·Filed 2011·Granted Mar 10, 2015·13 cites·11 claims
- 0691US10391684B1Cauls and methods of using cauls to produce composite articlesSPINTECH LLC·Filed 2016·Granted Aug 27, 2019·23 cites·15 claims
- 0791US8945325B2Methods and systems for forming integral composite parts with a SMP apparatusEVERHART MATTHEW C·Filed 2011·Granted Feb 3, 2015·16 cites·22 claims
- 0888US8951375B2Methods and systems for co-bonding or co-curing composite parts using a rigid/malleable SMP apparatusHAVENS DAVID E·Filed 2011·Granted Feb 10, 2015·10 cites·37 claims
- 0984US10999052B1Cauls and methods of using cauls to produce composite articlesSPINTECH LLC·Filed 2019·Granted May 4, 2021·3 cites·19 claims
- 1083US8945455B2Reconfigurable shape memory polymer support toolingEVERHART JOEL JAMES·Filed 2011·Granted Feb 3, 2015·4 cites·25 claims
- 1183US8877114B2Method for removing a SMP apparatus from a cured composite partHAVENS DAVID E·Filed 2011·Granted Nov 4, 2014·5 cites·23 claims
- 1283US8734703B2Methods and systems for fabricating composite parts using a SMP apparatus as a rigid lay-up tool and bladderHAVENS DAVID E·Filed 2011·Granted May 27, 2014·10 cites·14 claims
- 1382US8815145B2Methods and systems for fabricating composite stiffeners with a rigid/malleable SMP apparatusEVERHART MATTHEW C·Filed 2011·Granted Aug 26, 2014·6 cites·21 claims
- 1480US9073240B2Reconfigurable shape memory polymer tooling supportsHUELSKAMP SCOTT ROBERT·Filed 2011·Granted Jul 7, 2015·5 cites·8 claims
- 1579US8668110B1Venting mechanisms for containersCORNERSTONE RES GROUP INC·Filed 2012·Granted Mar 11, 2014·10 cites·8 claims
- 1675US8356727B2Venting mechanisms for containersCORNERSTONE RES GROUP INC·Filed 2008·Granted Jan 22, 2013·12 cites·13 claims
- 1773US9180632B2Composite self-healing systemCORNERSTONE RES GROUP INC·Filed 2014·Granted Nov 10, 2015·3 cites·19 claims
- 1851US2010119704A1Composite self-healing systemHEMMELGARN CHRISTOPHER DOUGLAS·Filed 2008·Application pending·0 cites
- 1949US2010229610A1Locking Device Using Shape Memory MaterialsCORNERSTONE RES GROUP INC·Filed 2007·Application pending·0 cites
- 2047US2008265512A1Hand assisted laparoscopic seal apparatus with a fast recovery foam coreBECKMAN ANDREW T·Filed 2007·Application pending·0 cites
- 2142US2009095865A1Device for Securely Holding Objects in PlaceCORNERSTONE RES GROUP INC·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David E. Havens 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 →