Inventor
JAHNKE FRED C
US49 patents
⚠️ This page may combine multiple inventors who share the name “JAHNKE FRED C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUELCELL ENERGY INC
39 patentsUS7396603B2Jul 8, 2008
Integrated high efficiency fossil fuel power plant/fuel cell system with CO2 emissions abatement
FUELCELL ENERGY INC79 citations98
US7060382B2Jun 13, 2006
Fuel cell system with recycle of anode exhaust gas
FUELCELL ENERGY INC20 citations90
US9478819B2Oct 25, 2016
High-efficiency molten carbonate fuel cell system and method
FUELCELL ENERGY INC14 citations82
US8367256B2Feb 5, 2013
Water recovery assembly for use in high temperature fuel cell systems
FUELCELL ENERGY INC8 citations80
US11043684B2Jun 22, 2021
Fuel cell system having enhanced CO2 capture
FUELCELL ENERGY INC3 citations72
US11804608B2Oct 31, 2023
Fuel cell with protection from pressure imbalance
FUELCELL ENERGY INC2 citations71
US12525630B2Jan 13, 2026
Reformer-electrolyzer-purifier (REP) assembly for hydrogen production, systems incorporating same and method of producing hydrogen
FUELCELL ENERGY INC0 citations62
US12322842B2Jun 3, 2025
System and method for producing hydrogen using high temperature fuel cells
FUELCELL ENERGY INC0 citations62
US12237549B2Feb 25, 2025
Hydrogen generation using a fuel cell system with an REP
FUELCELL ENERGY INC0 citations62
US12003008B2Jun 4, 2024
System and method for producing hydrogen using high temperature fuel cells
FUELCELL ENERGY INC0 citations62
US11710836B2Jul 25, 2023
Hydrogen generation using a fuel cell system with an REP
FUELCELL ENERGY INC0 citations62
US11619167B2Apr 4, 2023
Energy storage for combustion turbine using molten carbonate electrolyzer cell
FUELCELL ENERGY INC0 citations62
US11541350B2Jan 3, 2023
Heat recovery from an electrochemical hydrogen separation system
FUELCELL ENERGY INC0 citations62
US11444303B2Sep 13, 2022
System and method for producing hydrogen using high temperature fuel cells
FUELCELL ENERGY INC0 citations62
US11261784B2Mar 1, 2022
Energy storage for combustion turbine using molten carbonate electrolyzer cell
FUELCELL ENERGY INC0 citations62
US10892507B2Jan 12, 2021
Reformer-electrolyzer-purifier (REP) assembly for hydrogen production, systems incorporating same and method of producing hydrogen
FUELCELL ENERGY INC0 citations62
US10763523B2Sep 1, 2020
Fuel cell system with waste heat recovery for production of high pressure steam
FUELCELL ENERGY INC1 citations62
US10680265B2Jun 9, 2020
Energy storage using an REP with an engine
FUELCELL ENERGY INC1 citations62
US10608272B2Mar 31, 2020
System for capturing CO2 from a fuel cell
FUELCELL ENERGY INC1 citations62
US10483562B2Nov 19, 2019
System for rebalancing a pressure differential in an anode exhaust system of a fuel cell with a relational water seal
FUELCELL ENERGY INC1 citations62
US12021278B2Jun 25, 2024
Fuel cell with protection from pressure imbalance
FUELCELL ENERGY INC0 citations61
US11975969B2May 7, 2024
Steam methane reforming unit for carbon capture
FUELCELL ENERGY INC0 citations61
US7247281B2Jul 24, 2007
Methanation assembly using multiple reactors
FUELCELL ENERGY INC6 citations60
US11424465B2Aug 23, 2022
Low pressure carbon dioxide removal from the anode exhaust of a fuel cell
FUELCELL ENERGY INC1 citations58
US11508981B2Nov 22, 2022
Methanation of anode exhaust gas to enhance carbon dioxide capture
FUELCELL ENERGY INC0 citations52
US11495806B2Nov 8, 2022
Ultra high efficiency fuel cell power generation system
FUELCELL ENERGY INC0 citations52
US11339333B2May 24, 2022
Fluidized catalytic cracking unit system with integrated reformer-electrolyzer-purifier
FUELCELL ENERGY INC0 citations52
US11035628B2Jun 15, 2021
System for fast draining of an airfan heat exchanger and methods of using the same
FUELCELL ENERGY INC0 citations52
US10566639B2Feb 18, 2020
Carbon dioxide sequestration using molten carbonate fuel cell and hydrogen separation technology
FUELCELL ENERGY INC0 citations52
US10897055B2Jan 19, 2021
Load following power generation and power storage using REP and PEM technology
FUELCELL ENERGY INC0 citations51
US10465305B2Nov 5, 2019
Hydrogen and carbon monoxide generation using an REP with partial oxidation
FUELCELL ENERGY INC0 citations51
US10109874B2Oct 23, 2018
Shift reactor for direct fuel cell hydrogen system
FUELCELL ENERGY INC0 citations51
US10862155B2Dec 8, 2020
Modular enclosures for fuel cell stacks that allow for individual installation and replacement of a fuel cell stack in the field
FUELCELL ENERGY INC0 citations50
US10797332B2Oct 6, 2020
Low pressure carbon dioxide removal from the anode exhaust of a fuel cell
FUELCELL ENERGY INC0 citations48
US11201337B2Dec 14, 2021
System and method for removing water and hydrogen from anode exhaust
FUELCELL ENERGY INC0 citations45
US11094952B2Aug 17, 2021
Carbon dioxide removal from anode exhaust of a fuel cell by cooling/condensation
FUELCELL ENERGY INC0 citations41
US10654023B2May 19, 2020
System and method for increasing a carbon monoxide content of syngas produced by a steam methane reformer
FUELCELL ENERGY INC0 citations41
US10541434B2Jan 21, 2020
Heat recovery for saturator water recovery of a direct fuel cell system
FUELCELL ENERGY INC0 citations41
US10516180B2Dec 24, 2019
Carbon dioxide removal system for anode exhaust of a fuel cell
FUELCELL ENERGY INC0 citations41
JAHNKE FRED C
4 patentsUS8062799B2Nov 22, 2011
High-efficiency dual-stack molten carbonate fuel cell system
JAHNKE FRED C22 citations91
US8236458B2Aug 7, 2012
High-efficiency dual-stack molten carbonate fuel cell system
JAHNKE FRED C6 citations83
US8652694B2Feb 18, 2014
Water recovery assembly for transferring water from fuel cell cathode exhaust
JAHNKE FRED C1 citations51
US8445147B2May 21, 2013
Fuel humidifier assembly for use in high temperature fuel cell systems
JAHNKE FRED C1 citations44