Inventor · disambiguated record
John D. Griffiths
Also filed as: GRIFFITHS JOHN · GRIFFITHS JOHN D
28 granted patents·7 pending applications·161 citations·filing 1988–2024
96Inventor score
Files withHOLTEC INTERNATIONAL20HOLTEC INT INC6SINGH KRISHNA P4GRIFFITHS JOHN D2HOLTEC INTERNATIONAL INC2
Top patents by PatentIndex Score
35 records- 0197US9514853B2System for storing high level radioactive wasteHOLTEC INTERNATIONAL·Filed 2016·Granted Dec 6, 2016·15 cites·16 claims
- 0296US11443862B2Storage system for radioactive nuclear waste with pressure surge protectionHOLTEC INTERNATIONAL·Filed 2021·Granted Sep 13, 2022·4 cites·24 claims
- 0396US10229764B2System and method for preparing a container loaded with wet radioactive elements for dry storageHOLTEC INT INC·Filed 2015·Granted Mar 12, 2019·12 cites·5 claims
- 0494US11881324B2Storage system for radioactive nuclear waste with pressure surge protectionHOLTEC INTERNATIONAL·Filed 2022·Granted Jan 23, 2024·2 cites·11 claims
- 0593US11610696B2Nuclear waste cask with impact protection, impact amelioration system for nuclear fuel storage, unventilated cask for storing nuclear waste, and storage and transport cask for nuclear wasteHOLTEC INTERNATIONAL·Filed 2021·Granted Mar 21, 2023·6 cites·20 claims
- 0693US8561318B2System and method for preparing a container loaded with wet radioactive elements for dry storageSINGH KRISHNA P·Filed 2008·Granted Oct 22, 2013·13 cites·6 claims
- 0791US11721447B2Impact amelioration system for nuclear fuel storageHOLTEC INTERNATIONAL·Filed 2020·Granted Aug 8, 2023·2 cites·16 claims
- 0891US10535440B2Snap-in insert for reactivity control in spent nuclear fuel pools and casksHOLTEC INTERNATIONAL·Filed 2017·Granted Jan 14, 2020·4 cites·11 claims
- 0990US12080440B2Nuclear waste cask with impact protection, impact amelioration system for nuclear fuel storage, unventilated cask for storing nuclear waste, and storage and transport cask for nuclear wasteHOLTEC INTERNATIONAL·Filed 2023·Granted Sep 3, 2024·1 cites·20 claims
- 1090US9466400B2Ventilated transfer cask with lifting featureHOLTEC INTERNATIONAL·Filed 2014·Granted Oct 11, 2016·8 cites·20 claims
- 1189US10418136B2System and method for reclaiming energy from heat emanating from spent nuclear fuelHOLTEC INT INC·Filed 2015·Granted Sep 17, 2019·4 cites·9 claims
- 1289US9779843B2Radioactive material storage canisterHOLTEC INT INC·Filed 2013·Granted Oct 3, 2017·9 cites·10 claims
- 1389US8905259B2Ventilated system for storing high level radioactive wasteSINGH KRISHNA P·Filed 2011·Granted Dec 9, 2014·6 cites·20 claims
- 1489US8718221B2Method of transferring high level radioactive materials, and system for the sameSINGH KRISHNA P·Filed 2010·Granted May 6, 2014·5 cites·30 claims
- 1588US10811154B2Container for radioactive wasteHOLTEC INTERNATIONAL·Filed 2018·Granted Oct 20, 2020·5 cites·11 claims
- 1688US9165690B2System and method for preparing a container loaded with wet radioactive elements for dry storageHOLTEC INTERNATIONAL INC·Filed 2013·Granted Oct 20, 2015·6 cites·16 claims
- 1786US9685248B2Snap-in insert for reactivity control in spent nuclear fuel pools and casksHOLTEC INT INC·Filed 2013·Granted Jun 20, 2017·5 cites·17 claims
- 1885US9001958B2System and method for reclaiming energy from heat emanating from spent nuclear fuelSINGH KRISHNA P·Filed 2011·Granted Apr 7, 2015·5 cites·17 claims
- 1984US12300399B2Storage system for radioactive nuclear waste with pressure surge protectionHOLTEC INTERNATIONAL·Filed 2023·Granted May 13, 2025·0 cites·20 claims
- 2084US9293229B2Ventilated system for storing high level radioactive wasteHOLTEC INTERNATIONAL INC·Filed 2014·Granted Mar 22, 2016·3 cites·19 claims
- 2180US10839969B2System and method for preparing a container loaded with wet radioactive elements for dry storageHOLTEC INT INC·Filed 2019·Granted Nov 17, 2020·1 cites·20 claims
- 2280US2025037892A1Nuclear waste cask with impact protection, impact amelioration system for nuclear fuel storage, unventilated cask for storing nuclear waste, and storage and transport cask for nuclear wasteHOLTEC INTERNATIONAL·Filed 2024·Application pending·0 cites
- 2379US12198824B2Method for ameliorating impact between components of nuclear fuel storage systemHOLTEC INTERNATIONAL·Filed 2023·Granted Jan 14, 2025·0 cites·13 claims
- 2472US2020243209A1Snap-in insert for reactivity control in spent nuclear fuel pools and casksHOLTEC INTERNATIONAL·Filed 2019·Application pending·0 cites
- 2571US11742102B2System and method for preparing a container loaded with wet radioactive elements for dry storageHOLTEC INTERNATIONAL·Filed 2020·Granted Aug 29, 2023·0 cites·7 claims
- 2665US11515054B2Method of retrofitting a spent nuclear fuel storage systemHOLTEC INTERNATIONAL·Filed 2020·Granted Nov 29, 2022·0 cites·18 claims
- 2764US2020027600A1System and method for reclaiming energy from heat emanating from spent nuclear fuelHOLTEC INT INC·Filed 2019·Application pending·0 cites
- 2860US2024212873A1Container for radioactive wasteHOLTEC INTERNATIONAL·Filed 2024·Application pending·0 cites
- 2954US11373774B2Ventilated transfer caskHOLTEC INTERNATIONAL·Filed 2020·Granted Jun 28, 2022·0 cites·16 claims
- 3053US11488737B2Cooling system for casks containing high level nuclear wasteHOLTEC INTERNATIONAL·Filed 2020·Granted Nov 1, 2022·0 cites·30 claims
- 3153US2023268095A1Impact amelioration system for nuclear fuel storageHOLTEC INTERNATIONAL·Filed 2023·Application pending·0 cites
- 3250US2024068749A1Air-cooled condenser, method for forming an axial flow baffle for a heat exchanger and/or method of cooling high level radioactive wasteHOLTEC INTERNATIONAL·Filed 2023·Application pending·0 cites
- 3344US4921485ACatheter for use in the surgical correction of a nasolacrimal duct obstructionGRIFFITHS JOHN D·Filed 1988·Granted May 1, 1990·29 cites·6 claims
- 3444US2003115092A1Worksite smoking policy audit systemFiled 2002·Application pending·0 cites
- 3533US5062831ACatheter for use in the surgical correction of a nasolacrimal duct obstructionGRIFFITHS JOHN D·Filed 1990·Granted Nov 5, 1991·16 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →