Patent Assignment
Reel/Frame 035772/0192
Assignment of Assignor's Interest
Recorded: 2015-05-26
Pages: 76
Assignor
BALLARD POWER SYSTEMS INC.
Executed: 2015-05-06
Assignee
AUDI AG
ETTINGER STRABE, INGOLSTADT, 85045, GERMANY
Covered Properties
(133)
Coolant Mixture Separator Assembly for Use in a Polymer Electrolyte Membrane (Pem) Fuel Cell Power Plant
Coolant Mixture Separator Assembly for Use in a Polymer Electrolyte Membrane (Pem) Fuel Cell Power Plant
Passive Water Management Fuel Cell
Method and Apparatus for Preventing Water in Fuel Cell Power Plants from Freezing During Storage
Convex Fuel Manifold Providing Uniform Pressure Seal to Fuel Cell Stack
Manifold Attachment System for a Fuel Cell Stack
Fuel Cell with Folded Proton Exchange Membrane Forming Diffusion Layer Seal
Unitized Fuel Cell Electrode Gasket Assembly
Electric Storage Augmentation of Fuel Cell System Transient Response
Fluid Flow Control for Cool, Efficient Fuel Cell Operation
Moisture Stabilization for a Fuel Cell Power Plant Sysem
Fuel Cell Performance Recovery by Cyclic Oxidant Starvation
Configuration Enabling Rapid Fuel Cell Power from Sub-Freezing Initial Condition
Porous Carbon Body for a Fuel Cell Having an Electronically Conductive Hydrophilic Agent
Interfacial and Edge Seals for Unitized Electrode Assemblies of Fuel Cell Stack Assembly
Air Condition Assisted Water Recovery Device Integrated with Cell Stack Assembly
Actively-Cooled Water Recovery in Fuel Cell Power Plants
Low Temperature Fuel Cell Power Plant Operation
Start Up System and Method for a Fuel Cell Power Plant Using a Cathode Electrode Fuel Purge
High Temperature Reactant Recycling for Pem Fuel Cell Humidification
Performance Recovery Process for Pem Fuel Cells
High Water Permeability Proton Exchange Membrane
Method and Apparatus for Humidification Control of an Energy Recovery Device in a Fuel Cell Power Plant
System and Method for Shutting Down a Fuel Cell Power Plant
Ceria-Based Mixed-Metal Oxide Structure, Including Method of Making and Use
Ceria-Based Mixed-Metal Oxide Structure, Including Method of Making and Use
System for Determining a Gas Composition Within a Shut Down Fuel Cell Power Plant and Method of Operation
Fuel Cell with Passive Water Balance
Fuel Cell System, and Method of Protecting a Fuel Cell from Freezing
Pem Fuel Cell Passive Water Management
Fuel Cell System with Improved Humidification System
System and Method for Starting a Fuel Cell Stack Assembly at Sub-Freezing Temperature
Battery-Boosted, Rapid Startup of Frozen Fuel Cell
Fuel Stack Assembly
Passive Water Management System for a Fuel Cell Power Plant
Fuel Cell for Moisture Management at Gas Inlets
Application:
13/256,290 →
Publication:
US US20120003560A1
Fuel Cell Stack Melting of Coolant Water During Frozen Startup
Fuel Cell Temperature Control by Evaporative Cooling
End-Cell Thermal Distancing for Fuel Cell System
Pem Fuel Cell Stack Assembly with Isolated Internal Coolant Manifold
Cascade Fuel Inlet Manifold for Fuel Cells
Shutdown Procedure to Improve Startup at Sub-Freezing Temperatures
Initiating Operation of an Electric Vehicle or Other Load Powered by a Fuel Cell at Sub-Freezing Temperature
Membrane Electrode Assemblies with Hydrogen Peroxide Decomposition Catalyst
Membrane Electrode Assemblies with Hydrogen Peroxide Decomposition Catalyst
Protective and Precipitation Layers for PEM Fuel Cell
Fuel Cell Stack Including Hydrogen Pumping Fuel Cells
Vacuum Assisted Startup of a Fuel Cell at Sub-Freezing Temperature
Single Valve Fuel Cell Stack Gas Flow and Containment
Fuel Cell Power Plant Having a Fuel Concentration Sensor Cell
Fuel Cell Manifold Seal with Rigid Inner Layer
Decontamination Procedure for a Fuel Cell Power Plant
Patent:
7,442,453 →
Application:
11/023,148 →
Permeable Inlet Fuel Gas Distributor for Fuel Cells
Small Volume, Fuel Cell Inlet Fuel Gas Distributor Having Low Pressure Drop
Hydrogen Passivation Shut Down System for a Fuel Cell Power Plant
Hydrogen Passivation Shut Down System for a Fuel Cell Power Plant
Hydrogen Passivation Shut Down System for a Fuel Cell Power Plant
Hydrogen passivation shut down system for a fuel cell power plant
Application:
12/386,953 →
Publication:
US US20090220831A1
Hydrogen Passivation Shut Down System for a Fuel Cell Power Plant
Hydrogen Passivation Shut Down System for a Fuel Cell Power Plant
Turbocompressor Impelling Fuel Recycle in Fuel Cell Power Plant
Fuel Cell with Randomly-Dispersed Carbon Fibers in a Backing Layer
Fuel Cell Enclosure
Patent:
492,650 →
Application:
29/171,076 →
Fuel Cell Voltage Control
Cathode-To-Cathode Fuel Cell Stacks
Fuel and Air Flow Control in a Multi-Stack Fuel Cell Power Plant
Dc Current Calculation for Fuel Cell Control
Method of Operating a Fuel Cell System Under Freezing Conditions
Performance Enhancing Break-in Method for a Pem Fuel Cell
Extended Catalyzed Layer for Minimizing Cross-Over Oxygen and Consuming Peroxide
Dual Pump Fuel Cell Temperature Management System
Start Up of Cascaded Fuel Cell Stack
Fuel and Air Flow Control in a Multi-Stack Fuel Cell Power Plant
Fuel Cell System Having Inlet Fuel to More Than One and/or Recycle to Less Than All of the Fuel Fields
Method for Preparing Membranes and Membrane Electrode Assemblies with Hydrogen Peroxide Decomposition Catalyst
Reducing Pem Fuel Cell Hard Freeze Cycles
Mea Seal Structure Containing Catalyzed Layer
Storing Water in Substrates for Frozen, Boot-Strap Start of Fuel Cells
Easily Isolated, Oversize Fuel Cell Stack Cooler Plates
Storage of Fuel Cell Energy During Startup and Shutdown
Storage of Fuel Cell Energy During Startup and Shutdown or Other Power Transitions
Storage of Fuel Cell Energy During Startup and Shutdown or Other Power Transitions
Purging Water with Reactant Air Pump Powered by Operational Fuel Cell System During Shutdown
Catalytic Combustors Keeping Contained Medium Warm in Response to Hydrostatic Valve
Catalytic Combustors Keeping Contained Medium Warm in Response to Hydrostatic Valve
Managing Water and Auxiliary Power in Fuel Cell Power Plant Below Freezing Temperatures
Fuel Cell Minimum Fuel Recycle with Maximum Fuel Utilization
Fuel Cell Cover Plate Tie-Down
Fuel Cell Flow Field Channel with Partially Closed End
Fuel Cell with Thermal Conductance of Cathode Greater Than Anode
Preventing Fuel Starvation of a Fuel Cell Stack
Saturated Vapor Block for Frozen Fuel Cell Power Plant
Composite Water Management Electrolyte Membrane For A Fuel Cell
Application:
12/224,978 →
Publication:
US US20090017344A1
System and Method for Reducing Radiator Sizes for Low Temperature Fuel Cell Systems
System and Method for Reducing Radiator Sizes for Low Temperature Fuel Cell Systems
Fuel Cell Stack Having an Integrated End Plate Assembly
Combined Accumulator and Demineralizer Functionality for a Fuel Cell
Fuel Cell Stack Assembly Seal
Application:
13/126,054 →
Publication:
US US20110318666A1
Fuel Cell System That Provides High Grade Heat to an Absorption Chiller
Quality Power from Induction Generator Feeding Variable Speed Motors
Fuel Cells Evaporatively Cooled with Water Carried in Passageways
Fuel Cells Evaporative Reactant Gas Cooling and Operational Freeze Prevention
Non-Circulating Coolant Pem Fuel Cell Power Plant Assembly with Low Thermal Mass
Full Cells Evaporative Cooling and Combined Evaporative and Sensible Cooling
Fuel cell power plant having improved operating efficiencies
Application:
12/735,672 →
Publication:
US US20100330448A1
Extended Electrodes for Pem Fuel Cell Applications
Fuel Cell Assembly With Operating Temperatures For Extended Life
Application:
11/718,258 →
Publication:
US US20070292725A1
Stabilized Fuel Cell Flow Field
Water Management for a Fuel Cell
Method of Preparing a Fuel Cell Unitized Electrode Assembly by Ultrasonic Welding
Method of Preparing a Fuel Cell Unitized Electrode Assembly by Ultrasonic Welding
Fuel Cell Using Uv Curable Sealant
Application:
13/057,609 →
Publication:
US US20110136035A1
Retaining Water in a Fuel Cell Stack for Cooling and Humidification During Frozen Startup
Varied Fuel Cell Oxidant Flow Channel Depth Resulting in Fewer Cooler Plates
Patent:
7,041,408 →
Application:
11/025,437 →
Robust Heating of Fuel Cells During Subfreezing Start
Single Reactant Gas Flow Field Plate Pem Fuel Cell
Operating Fuel Cell During Down Time on Cryogenic Hydrogen Boil-Off
Water Retention and Gas Ingestion Control for a Fuel Cell
Application:
12/517,291 →
Publication:
US US20100086817A1
Reservoir for Hot Weather Operation of Evaporatively Cooled Fuel Cell
Application:
12/922,956 →
Publication:
US US20110014530A1
Fuel-Cascaded Fuel Cell Stacks with Decoupled Power Outputs
Application:
12/448,666 →
Publication:
US US20100040914A1
Non-Circulating Coolant Pem Fuel Cell Power Plant with Antifreeze Back Pressure Air Venting System
Alloy Catalysts for Extending Life of Fuel Cell Membranes and Ionomer
Hydrogen Sensor Cell for Detecting Contaminants
Membrane Electrode Assembly Having Catalyst Diffusion Barrier Layer
Application:
12/598,051 →
Publication:
US US20100092815A1
Method of Treating a Material to Achieve Sufficient Hyrophilicity for Making Hyrophilic Articles
PEM fuel cell auxiliary power system and method for starting an internal combustion engine vehicle
Application:
12/156,798 →
Publication:
US US20090301802A1
Circulation of Gas-Entrained Fuel Cell Coolant
Circulation of Biphase Fuel Cell Coolant
Fuel Cell Coolant Bubble Control
Fuel Cell Coolant Bubble Control
Response to Ingestion of Gas Into Fuel Cell Coolant
Application:
12/086,947 →
Publication:
US US20100167140A1
Coolant Mixture Separator Assembly for Use in a Polymer Electrolyte Membrane (Pem) Fuel Cell Power Plant
Fuel Cell Manifold Cable End Clamp
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.