John D. Griffiths

Person

Deptford, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Nuclear waste cask with impact protection, impact amelioration syst...
- Patent number 12,080,440
- Issue date Sep 3, 2024
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Storage system for radioactive nuclear waste with pressure surge pr...
- Patent number 11,881,324
- Issue date Jan 23, 2024
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
System and method for preparing a container loaded with wet radioac...
- Patent number 11,742,102
- Issue date Aug 29, 2023
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Impact amelioration system for nuclear fuel storage
- Patent number 11,721,447
- Issue date Aug 8, 2023
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Nuclear waste cask with impact protection, impact amelioration syst...
- Patent number 11,610,696
- Issue date Mar 21, 2023
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method of retrofitting a spent nuclear fuel storage system
- Patent number 11,515,054
- Issue date Nov 29, 2022
- Holtec International
- Stephen J. Agace
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Cooling system for casks containing high level nuclear waste
- Patent number 11,488,737
- Issue date Nov 1, 2022
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Storage system for radioactive nuclear waste with pressure surge pr...
- Patent number 11,443,862
- Issue date Sep 13, 2022
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Ventilated transfer cask
- Patent number 11,373,774
- Issue date Jun 28, 2022
- Holtec International
- Krishna P. Singh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for preparing a container loaded with wet radioac...
- Patent number 10,839,969
- Issue date Nov 17, 2020
- HOLTEC INTERNATIONAL, INC.
- Krishna P. Singh
- F26 - DRYING
Information Patent Grant
Container for radioactive waste
- Patent number 10,811,154
- Issue date Oct 20, 2020
- HOLTEC INTERNATIONAL
- Krishna P. Singh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Snap-in insert for reactivity control in spent nuclear fuel pools a...
- Patent number 10,535,440
- Issue date Jan 14, 2020
- HOLTEC INTERNATIONAL
- Stephen J. Agace
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
System and method for reclaiming energy from heat emanating from sp...
- Patent number 10,418,136
- Issue date Sep 17, 2019
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
System and method for preparing a container loaded with wet radioac...
- Patent number 10,229,764
- Issue date Mar 12, 2019
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Radioactive material storage canister
- Patent number 9,779,843
- Issue date Oct 3, 2017
- Holtec International, Inc.
- Krishna P. Singh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Snap-in insert for reactivity control in spent nuclear fuel pools a...
- Patent number 9,685,248
- Issue date Jun 20, 2017
- Holtec International, Inc.
- Stephen J. Agace
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
System for storing high level radioactive waste
- Patent number 9,514,853
- Issue date Dec 6, 2016
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Ventilated transfer cask with lifting feature
- Patent number 9,466,400
- Issue date Oct 11, 2016
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Ventilated system for storing high level radioactive waste
- Patent number 9,293,229
- Issue date Mar 22, 2016
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
System and method for preparing a container loaded with wet radioac...
- Patent number 9,165,690
- Issue date Oct 20, 2015
- Holtec International
- Krishna P. Singh
- F26 - DRYING
Information Patent Grant
System and method for reclaiming energy from heat emanating from sp...
- Patent number 9,001,958
- Issue date Apr 7, 2015
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Ventilated system for storing high level radioactive waste
- Patent number 8,905,259
- Issue date Dec 9, 2014
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method of transferring high level radioactive materials, and system...
- Patent number 8,718,221
- Issue date May 6, 2014
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
System and method for preparing a container loaded with wet radioac...
- Patent number 8,561,318
- Issue date Oct 22, 2013
- Holtec International, Inc.
- Krishna P. Singh
- F26 - DRYING

Patents Applicationslast 30 patents

Information Patent Application
CONTAINER FOR RADIOACTIVE WASTE
- Publication number 20240212873
- Publication date Jun 27, 2024
- Holtec International
- Krishna P. SINGH
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STORAGE SYSTEM FOR RADIOACTIVE NUCLEAR WASTE WITH PRESSURE SURGE PR...
- Publication number 20240170170
- Publication date May 23, 2024
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
AIR-COOLED CONDENSER, METHOD FOR FORMING AN AXIAL FLOW BAFFLE FOR A...
- Publication number 20240068749
- Publication date Feb 29, 2024
- Holtec International
- Krishna P. SINGH
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Impact Amelioration System for Nuclear Fuel Storage
- Publication number 20230282382
- Publication date Sep 7, 2023
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
IMPACT AMELIORATION SYSTEM FOR NUCLEAR FUEL STORAGE
- Publication number 20230268095
- Publication date Aug 24, 2023
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
NUCLEAR WASTE CASK WITH IMPACT PROTECTION, IMPACT AMELIORATION SYST...
- Publication number 20230197304
- Publication date Jun 22, 2023
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
NEUTRON ABSORBING APPARATUS
- Publication number 20230117993
- Publication date Apr 20, 2023
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
METHOD OF RETROFITTING A SPENT NUCLEAR FUEL STORAGE SYSTEM
- Publication number 20230082771
- Publication date Mar 16, 2023
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
STORAGE SYSTEM FOR RADIOACTIVE NUCLEAR WASTE WITH PRESSURE SURGE PR...
- Publication number 20230005632
- Publication date Jan 5, 2023
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
CONTAINER FOR RADIOACTIVE WASTE
- Publication number 20220351872
- Publication date Nov 3, 2022
- Holtec International
- Krishna P. SINGH
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STORAGE SYSTEM FOR RADIOACTIVE NUCLEAR WASTE WITH PRESSURE SURGE PR...
- Publication number 20210343438
- Publication date Nov 4, 2021
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
NUCLEAR WASTE CASK WITH IMPACT PROTECTION, IMPACT AMELIORATION SYST...
- Publication number 20210343439
- Publication date Nov 4, 2021
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
IMPACT AMELIORATION SYSTEM FOR NUCLEAR FUEL STORAGE
- Publication number 20210225541
- Publication date Jul 22, 2021
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
NEUTRON ABSORBING APPARATUS
- Publication number 20210225537
- Publication date Jul 22, 2021
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
SYSTEM AND METHOD FOR PREPARING A CONTAINER LOADED WITH WET RADIOAC...
- Publication number 20210210240
- Publication date Jul 8, 2021
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
VENTILATED TRANSFER CASK
- Publication number 20210210238
- Publication date Jul 8, 2021
- Holtec International
- Krishna P. SINGH
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
AIR-COOLED CONDENSER, METHOD FOR FORMING AN AXIAL FLOW BAFFLE FOR A...
- Publication number 20210210242
- Publication date Jul 8, 2021
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
METHOD OF RETROFITTING A SPENT NUCLEAR FUEL STORAGE SYSTEM
- Publication number 20210074444
- Publication date Mar 11, 2021
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
COOLING SYSTEM FOR CASKS CONTAINING HIGH LEVEL NUCLEAR WASTE
- Publication number 20200265966
- Publication date Aug 20, 2020
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
SNAP-IN INSERT FOR REACTIVITY CONTROL IN SPENT NUCLEAR FUEL POOLS A...
- Publication number 20200243209
- Publication date Jul 30, 2020
- Holtec International
- Stephen J. Agace
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
SYSTEM AND METHOD FOR RECLAIMING ENERGY FROM HEAT EMANATING FROM SP...
- Publication number 20200027600
- Publication date Jan 23, 2020
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
SYSTEM AND METHOD FOR PREPARING A CONTAINER LOADED WITH WET RADIOAC...
- Publication number 20200027610
- Publication date Jan 23, 2020
- Holtec International, Inc.
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
CONTAINER FOR RADIOACTIVE WASTE
- Publication number 20180322970
- Publication date Nov 8, 2018
- Holtec International
- Krishna P. SINGH
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
CONTAINER FOR RADIOACTIVE WASTE
- Publication number 20180005717
- Publication date Jan 4, 2018
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
SNAP-IN INSERT FOR REACTIVITY CONTROL IN SPENT NUCLEAR FUEL POOLS A...
- Publication number 20170316843
- Publication date Nov 2, 2017
- Holtec International
- Stephen J. Agace
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
SYSTEM FOR STORING HIGH LEVEL RADIOACTIVE WASTE
- Publication number 20160196887
- Publication date Jul 7, 2016
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
SYSTEM AND METHOD FOR PREPARING A CONTAINER LOADED WITH WET RADIOAC...
- Publication number 20160118152
- Publication date Apr 28, 2016
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
VENTILATED TRANSFER CASK WITH LIFTING FEATURE
- Publication number 20160005501
- Publication date Jan 7, 2016
- Holtec International
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
RADIOACTIVE MATERIAL STORAGE CANISTER AND METHOD FOR SEALING SAME
- Publication number 20150340112
- Publication date Nov 26, 2015
- Holtec International, Inc.
- Krishna P. Singh
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR RECLAIMING ENERGY FROM HEAT EMANATING FROM SP...
- Publication number 20150187449
- Publication date Jul 2, 2015
- Holtec International, Inc.
- Krishna P. Singh
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING

John D. Griffiths

Person

Patents Grantslast 30 patents

Nuclear waste cask with impact protection, impact amelioration syst...

Storage system for radioactive nuclear waste with pressure surge pr...

System and method for preparing a container loaded with wet radioac...

Impact amelioration system for nuclear fuel storage

Nuclear waste cask with impact protection, impact amelioration syst...

Method of retrofitting a spent nuclear fuel storage system

Cooling system for casks containing high level nuclear waste

Storage system for radioactive nuclear waste with pressure surge pr...

Ventilated transfer cask

System and method for preparing a container loaded with wet radioac...

Container for radioactive waste

Snap-in insert for reactivity control in spent nuclear fuel pools a...

System and method for reclaiming energy from heat emanating from sp...

System and method for preparing a container loaded with wet radioac...

Radioactive material storage canister

Snap-in insert for reactivity control in spent nuclear fuel pools a...

System for storing high level radioactive waste

Ventilated transfer cask with lifting feature

Ventilated system for storing high level radioactive waste

System and method for preparing a container loaded with wet radioac...

System and method for reclaiming energy from heat emanating from sp...

Ventilated system for storing high level radioactive waste

Method of transferring high level radioactive materials, and system...

System and method for preparing a container loaded with wet radioac...

Patents Applicationslast 30 patents

CONTAINER FOR RADIOACTIVE WASTE

STORAGE SYSTEM FOR RADIOACTIVE NUCLEAR WASTE WITH PRESSURE SURGE PR...

AIR-COOLED CONDENSER, METHOD FOR FORMING AN AXIAL FLOW BAFFLE FOR A...

Impact Amelioration System for Nuclear Fuel Storage

IMPACT AMELIORATION SYSTEM FOR NUCLEAR FUEL STORAGE

NUCLEAR WASTE CASK WITH IMPACT PROTECTION, IMPACT AMELIORATION SYST...

NEUTRON ABSORBING APPARATUS

METHOD OF RETROFITTING A SPENT NUCLEAR FUEL STORAGE SYSTEM

STORAGE SYSTEM FOR RADIOACTIVE NUCLEAR WASTE WITH PRESSURE SURGE PR...

CONTAINER FOR RADIOACTIVE WASTE

STORAGE SYSTEM FOR RADIOACTIVE NUCLEAR WASTE WITH PRESSURE SURGE PR...

NUCLEAR WASTE CASK WITH IMPACT PROTECTION, IMPACT AMELIORATION SYST...

IMPACT AMELIORATION SYSTEM FOR NUCLEAR FUEL STORAGE

NEUTRON ABSORBING APPARATUS

SYSTEM AND METHOD FOR PREPARING A CONTAINER LOADED WITH WET RADIOAC...

VENTILATED TRANSFER CASK

AIR-COOLED CONDENSER, METHOD FOR FORMING AN AXIAL FLOW BAFFLE FOR A...

METHOD OF RETROFITTING A SPENT NUCLEAR FUEL STORAGE SYSTEM

COOLING SYSTEM FOR CASKS CONTAINING HIGH LEVEL NUCLEAR WASTE

SNAP-IN INSERT FOR REACTIVITY CONTROL IN SPENT NUCLEAR FUEL POOLS A...

SYSTEM AND METHOD FOR RECLAIMING ENERGY FROM HEAT EMANATING FROM SP...

SYSTEM AND METHOD FOR PREPARING A CONTAINER LOADED WITH WET RADIOAC...

CONTAINER FOR RADIOACTIVE WASTE

CONTAINER FOR RADIOACTIVE WASTE

SNAP-IN INSERT FOR REACTIVITY CONTROL IN SPENT NUCLEAR FUEL POOLS A...

SYSTEM FOR STORING HIGH LEVEL RADIOACTIVE WASTE

SYSTEM AND METHOD FOR PREPARING A CONTAINER LOADED WITH WET RADIOAC...

VENTILATED TRANSFER CASK WITH LIFTING FEATURE

RADIOACTIVE MATERIAL STORAGE CANISTER AND METHOD FOR SEALING SAME

SYSTEM AND METHOD FOR RECLAIMING ENERGY FROM HEAT EMANATING FROM SP...