P

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 patents
US7396603B2Jul 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 patents

TEXACO INC

2 patents

GHEZEL-AYAGH HOSSEIN

1 patent

DALY JOSEPH M

1 patent

FUEL ENERGY INC

1 patent

VENKATARAMAN RAMAKIRSHNAN

1 patent