Inventor · disambiguated record
Stephen J. Agace
Also filed as: AGACE STEPHEN · AGACE STEPHEN J
50 granted patents·6 pending applications·590 citations·filing 2000–2024
98Inventor score
Files withHOLTEC INTERNATIONAL25HOLTEC INTERNATIONAL INC14SINGH KRISHNA P8HOLTEC INT INC4HOLTEC INTERNAT2
Top patents by PatentIndex Score
56 records- 0199US6718000B2Ventilated vertical overpackHOLTEC INTERNATIONAL INC·Filed 2002·Granted Apr 6, 2004·57 cites·20 claims
- 0297US8929504B2Canister apparatus and basket for transporting, storing and/or supporting spent nuclear fuelSINGH KRISHNA P·Filed 2012·Granted Jan 6, 2015·14 cites·8 claims
- 0396US9640289B2Storage system for nuclear fuelHOLTEC INTERNATIONAL·Filed 2015·Granted May 2, 2017·15 cites·18 claims
- 0496US9396824B2Container system for radioactive wasteHOLTEC INTERNATIONAL INC·Filed 2013·Granted Jul 19, 2016·16 cites·19 claims
- 0595US10217537B2Container for radioactive wasteHOLTEC INTERNATIONAL·Filed 2016·Granted Feb 26, 2019·10 cites·15 claims
- 0695US8576976B2Apparatus for supporting radioactive fuel assemblies and methods of manufacturing the sameSINGH KRISHNA P·Filed 2008·Granted Nov 5, 2013·22 cites·19 claims
- 0795US8415521B2Apparatus for providing additional radiation shielding to a container holding radioactive materials, and method of using the same to handle and/or process radioactive materialsSINGH KRISHNA P·Filed 2011·Granted Apr 9, 2013·11 cites·14 claims
- 0895US6587536B1Method and apparatus for maximizing radiation shielding during cask transfer proceduresHOLTEC INTERNATIONAL INC·Filed 2002·Granted Jul 1, 2003·31 cites·9 claims
- 0994US10297356B2Storage system for nuclear fuelHOLTEC INTERNATIONAL·Filed 2017·Granted May 21, 2019·9 cites·7 claims
- 1094US7786456B2Apparatus for providing additional radiation shielding to a container holding radioactive materials, and method of using the same to handle and/or process radioactive materialsHOLTEC INTERNATIONAL INC·Filed 2007·Granted Aug 31, 2010·27 cites·20 claims
- 1193US8135107B2Canister apparatus and basket for transporting, storing and/or supporting spent nuclear fuelSINGH KRISHNA P·Filed 2007·Granted Mar 13, 2012·24 cites·29 claims
- 1292US10910119B2Self-alignment method of neutron absorbing apparatus for reactivity mitigation in nuclear fuel storage systemsHOLTEC INTERNATIONAL·Filed 2019·Granted Feb 2, 2021·3 cites·20 claims
- 1391US10535440B2Snap-in insert for reactivity control in spent nuclear fuel pools and casksHOLTEC INTERNATIONAL·Filed 2017·Granted Jan 14, 2020·4 cites·11 claims
- 1491US9442037B2System and method for storing and leak testing a radioactive materials storage canisterHOLTEC INT INC·Filed 2013·Granted Sep 13, 2016·9 cites·27 claims
- 1591US7994380B2Apparatus for transporting and/or storing radioactive materials having a jacket adapted to facilitate thermosiphon fluid flowHOLTEC INTERNATIONAL INC·Filed 2007·Granted Aug 9, 2011·17 cites·19 claims
- 1690US8067659B2Method of removing radioactive materials from a submerged state and/or preparing spent nuclear fuel for dry storageSINGH KRISHNA P·Filed 2007·Granted Nov 29, 2011·15 cites·20 claims
- 1789US10418137B2Self-aligning neutron absorbing apparatus for reactivity mitigation in nuclear fuel storage systemsHOLTEC INTERNATIONAL·Filed 2017·Granted Sep 17, 2019·4 cites·18 claims
- 1889US9208914B2System, method and apparatus for providing additional radiation shielding to high level radioactive materialsHOLTEC INTERNATIONAL INC·Filed 2015·Granted Dec 8, 2015·9 cites·19 claims
- 1989US6793450B2Below grade cask transfer facilityHOLTEC INTERNATIONAL INC·Filed 2002·Granted Sep 21, 2004·44 cites·19 claims
- 2089US6519307B1Ventilated overpack apparatus and method for storing spent nuclear fuelHOLTEC INTERNAT·Filed 2000·Granted Feb 11, 2003·75 cites·16 claims
- 2188US10811154B2Container for radioactive wasteHOLTEC INTERNATIONAL·Filed 2018·Granted Oct 20, 2020·5 cites·11 claims
- 2288US6853697B2Hermetically sealable transfer caskHOLTEC INTERNATIONAL INC·Filed 2003·Granted Feb 8, 2005·41 cites·13 claims
- 2387US6625246B1System and method for transferring spent nuclear fuel from a spent nuclear fuel pool to a storage caskHOLTEC INTERNATIONAL INC·Filed 2002·Granted Sep 23, 2003·36 cites·20 claims
- 2486US9875819B2Reactivity control device for storing nuclear fuelHOLTEC INTERNATIONAL·Filed 2016·Granted Jan 23, 2018·3 cites·24 claims
- 2586US9685248B2Snap-in insert for reactivity control in spent nuclear fuel pools and casksHOLTEC INT INC·Filed 2013·Granted Jun 20, 2017·5 cites·17 claims
- 2686US8548112B2Spent fuel basket, apparatus and method using the same for storing high level radioactive wasteSINGH KRISHNA·Filed 2007·Granted Oct 1, 2013·13 cites·16 claims
- 2785US11735327B2Ventilated cask for nuclear waste storageHOLTEC INTERNATIONAL·Filed 2021·Granted Aug 22, 2023·1 cites·25 claims
- 2885US10867714B2Storage system for nuclear fuelHOLTEC INTERNATIONAL·Filed 2019·Granted Dec 15, 2020·2 cites·11 claims
- 2985US8995604B2System, method and apparatus for providing additional radiation shielding to high level radioactive materialsSINGH KRISHNA P·Filed 2010·Granted Mar 31, 2015·5 cites·42 claims
- 3083US10026514B2Canister apparatus and basket for transporting, storing and/or supporting spent nuclear fuelHOLTEC INT INC·Filed 2015·Granted Jul 17, 2018·2 cites·17 claims
- 3182US8712001B2Fuel basket spacer, apparatus and method using the same for storing high level radioactive wasteSINGH KRISHNA·Filed 2007·Granted Apr 29, 2014·8 cites·21 claims
- 3281US9460821B2System and method for the ventilated storage of high level radioactive waste in a clustered arrangementHOLTEC INTERNATIONAL·Filed 2014·Granted Oct 4, 2016·4 cites·20 claims
- 3379US12148541B2Ventilated cask for nuclear waste storageHOLTEC INTERNATIONAL·Filed 2023·Granted Nov 19, 2024·0 cites·9 claims
- 3478US12400768B2High-density subterranean storage system for nuclear fuel and radioactive wasteHOLTEC INTERNATIONAL·Filed 2024·Granted Aug 26, 2025·0 cites·20 claims
- 3578US9047996B2System and method for transferring and/or working near a radioactive payload using shield-gate apparatusHOLTEC INTERNAT·Filed 2014·Granted Jun 2, 2015·2 cites·14 claims
- 3678US7330525B2Method and apparatus for maximizing radiation shielding during cask transfer proceduresHOLTEC INTERNATIONAL INC·Filed 2003·Granted Feb 12, 2008·18 cites·11 claims
- 3778US2025095874A1Stackable nuclear waste storage systemHOLTEC INTERNATIONAL·Filed 2024·Application pending·0 cites
- 3874US9728284B2Apparatus for supporting radioactive fuel assemblies and methods of manufacturing the sameHOLTEC INT INC·Filed 2013·Granted Aug 8, 2017·1 cites·11 claims
- 3974US9269464B2Neutron shielding ring, apparatus and method using the same for storing high level radioactive wasteHOLTEC INTERNATIONAL INC·Filed 2014·Granted Feb 23, 2016·1 cites·20 claims
- 4074US7139358B2Below grade cask transfer facilityHOLTEC INTERNATIONAL INC·Filed 2004·Granted Nov 21, 2006·11 cites·15 claims
- 4173US11881323B2High-density subterranean storage system for nuclear fuel and radioactive wasteHOLTEC INTERNATIONAL·Filed 2022·Granted Jan 23, 2024·0 cites·33 claims
- 4273US8660230B2System and method for the ventilated storage of high level radioactive waste in a clustered arrangementSINGH KRISHNA P·Filed 2008·Granted Feb 25, 2014·4 cites·22 claims
- 4372US12191045B2Stackable nuclear waste storage systemHOLTEC INTERNATIONAL·Filed 2022·Granted Jan 7, 2025·0 cites·24 claims
- 4472US2020243209A1Snap-in insert for reactivity control in spent nuclear fuel pools and casksHOLTEC INTERNATIONAL·Filed 2019·Application pending·0 cites
- 4569US7820870B2Apparatus, system and method for facilitating transfer of high level radioactive waste to and/or from a poolHOLTEC INTERNATIONAL INC·Filed 2007·Granted Oct 26, 2010·8 cites·10 claims
- 4668US12112856B2Spent nuclear fuel storage rack systemHOLTEC INTERNATIONAL·Filed 2022·Granted Oct 8, 2024·0 cites·22 claims
- 4766US2018025796A1Apparatus for supporting radioactive fuel assemblies and methods of manufacturing the sameHOLTEC INTERNATIONAL·Filed 2017·Application pending·0 cites
- 4865US11887744B2Container for radioactive wasteHOLTEC INTERNATIONAL·Filed 2022·Granted Jan 30, 2024·0 cites·20 claims
- 4965US11515054B2Method of retrofitting a spent nuclear fuel storage systemHOLTEC INTERNATIONAL·Filed 2020·Granted Nov 29, 2022·0 cites·18 claims
- 5065US2018277273A1Canister apparatus and basket for transporting, storing and/or supporting spent nuclear fuelHOLTEC INTERNATIONAL·Filed 2018·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →