Inventor · disambiguated record
John L. Donovan
Also filed as: DONOVAN JOHN · DONOVAN JOHN L
11 granted patents·4 pending applications·334 citations·filing 1995–2013
92Inventor score
Files withCH2M HILL CONSTRUCTORS INC2DEMIL INTERNATIONAL INC2DONOVAN JOHN L2ABBE DAVID C1ABC NACO INC1
Top patents by PatentIndex Score
15 records- 0188US8621973B2Portable explosion containment chamberABBE DAVID C·Filed 2011·Granted Jan 7, 2014·13 cites·8 claims
- 0288US6354181B1Method and apparatus for the destruction of suspected terrorist weapons by detonation in a contained environmentFiled 1999·Granted Mar 12, 2002·62 cites·27 claims
- 0388US5613453AMethod and apparatus for containing and suppressing explosive detonationsFiled 1995·Granted Mar 25, 1997·53 cites·22 claims
- 0484US6173662B1Method and apparatus for containing and suppressing explosive detonationsFiled 1998·Granted Jan 16, 2001·85 cites·21 claims
- 0583US5884569AMethod and apparatus for containing and suppressing explosive detonationsFiled 1997·Granted Mar 23, 1999·48 cites·20 claims
- 0674USRE36912EMethod and apparatus for containing and suppressing explosive detonationsABC NACO INC·Filed 1998·Granted Oct 17, 2000·31 cites·23 claims
- 0768US7700047B2System and method for treatment of hazardous materials, e.g., unexploded chemical warfare ordinanceCH2M HILL CONSTRUCTORS INC·Filed 2007·Granted Apr 20, 2010·9 cites·22 claims
- 0864US6647851B2Method for suppressing ejection of fragments and shrapnel during destruction of shrapnel munitionsDEMIL INTERNATIONAL INC·Filed 2002·Granted Nov 18, 2003·20 cites·37 claims
- 0955US6705242B2Method and apparatus for hermetically sealing openings of an explosion containment chamberCH2M HILL CONSTRUCTORS INC·Filed 2002·Granted Mar 16, 2004·7 cites·24 claims
- 1050US7418895B2Purging an airlock of an explosion containment chamberDEMIL INTERNATIONAL INC·Filed 2003·Granted Sep 2, 2008·6 cites·16 claims
- 1145US9851192B2Method and apparatus for containing and suppressing explosive detonationsDONOVAN JOHN L·Filed 2013·Granted Dec 26, 2017·0 cites·18 claims
- 1241US2003126976A1Method and apparatus for shielding the interior walls of an explosion containment chamberFiled 2002·Application pending·0 cites
- 1341US2012198987A1Purging an airlock of an explosion containment chamberDONOVAN JOHN L·Filed 2008·Application pending·0 cites
- 1441US2003129025A1Method and apparatus for fixedly attaching tiled armor panelsFiled 2002·Application pending·0 cites
- 1539US2005192472A1System and method for treatment of hazardous materials, e.g., unexploded chemical warfare ordinanceCH2M HILL INC·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when John L. Donovan 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 →