Steven D. Pratt

Person

Yardley, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for limiting crossover in fuel cell systems
- Patent number 8,993,187
- Issue date Mar 31, 2015
- Google Technology Holdings LLC
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and device for limiting crossover in fuel cell systems
- Patent number 7,282,283
- Issue date Oct 16, 2007
- Motorola, Inc.
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Two-stage hybrid gas pressure regulator
- Patent number 7,264,896
- Issue date Sep 4, 2007
- Motorola, Inc.
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Wireless communication device with tamper resistant configuration s...
- Patent number 7,184,756
- Issue date Feb 27, 2007
- Motorola Inc.
- Ronald J. Kelley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fuel cell using variable porosity gas diffusion material
- Patent number 7,132,192
- Issue date Nov 7, 2006
- Motorola, Inc.
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel cell using non-linear positive temperature coefficient material
- Patent number 7,108,931
- Issue date Sep 19, 2006
- Motorola, Inc.
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method of operating a fuel cell power source
- Patent number 7,049,015
- Issue date May 23, 2006
- Motorola, Inc.
- Steven Duane Pratt
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fuel cell system
- Patent number 6,986,957
- Issue date Jan 17, 2006
- Motorola, Inc.
- Bobby Dean Landreth
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for humidifying a fuel stream for a direct methanol fuel cell
- Patent number 6,936,361
- Issue date Aug 30, 2005
- Motorola, Inc.
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel cell having porous electrodes and method for forming same
- Patent number 6,926,990
- Issue date Aug 9, 2005
- Motorola, Inc.
- Ronald J. Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Rewritable sign system
- Patent number 6,888,607
- Issue date May 3, 2005
- Motorola, Inc.
- Bobby Dean Landreth
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Means for measuring the liquid level in a reservoir for a fuel cell
- Patent number 6,869,708
- Issue date Mar 22, 2005
- Motorola, Inc.
- Ronald J. Kelley
- G01 - MEASURING TESTING
Information Patent Grant
Electronic device with improved user interface
- Patent number 6,853,368
- Issue date Feb 8, 2005
- Motorola, Inc.
- Sivakumar Muthuswamy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fuel cell using non-linear positive temperature coefficient material
- Patent number 6,756,142
- Issue date Jun 29, 2004
- Motorola, Inc.
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel cell using variable porosity gas diffusion material
- Patent number 6,743,543
- Issue date Jun 1, 2004
- Motorola, Inc.
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel cell having a thermo-responsive polymer incorporated therein
- Patent number 6,699,611
- Issue date Mar 2, 2004
- Motorola, Inc.
- Gene Kim
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel cell system having a replaceable getter element for purifying...
- Patent number 6,689,194
- Issue date Feb 10, 2004
- Motorola, Inc.
- Steven D. Pratt
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for cold temperature operation of fuel cells u...
- Patent number 6,586,124
- Issue date Jul 1, 2003
- Motorola Inc.
- Ronald J. Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for determining the amount of hydrogen in a ve...
- Patent number 6,584,825
- Issue date Jul 1, 2003
- Motorola, Inc.
- Steven D. Pratt
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Method of diluting hydrogen gas exhausted from a fuel cell
- Patent number 6,426,158
- Issue date Jul 30, 2002
- Motorola, Inc.
- Steven D. Pratt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for managing fuel cell performance
- Patent number 6,423,434
- Issue date Jul 23, 2002
- Motorola, Inc.
- Steven D. Pratt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for thermal management of fuel cell systems
- Patent number 6,406,808
- Issue date Jun 18, 2002
- Motorola, Inc.
- Steven D. Pratt
- G05 - CONTROLLING REGULATING
Information Patent Grant
Removable cover for a portable radio
- Patent number D456374
- Issue date Apr 30, 2002
- Motorola, Inc.
- Andreas R. Haase
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Water management system for fuel cells
- Patent number 6,322,918
- Issue date Nov 27, 2001
- Motorola, Inc.
- Ronald J. Kelley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Portable fuel cell power supply
- Patent number 6,268,077
- Issue date Jul 31, 2001
- Motorola, Inc.
- Ronald J. Kelley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integral sensors for monitoring a fuel cell membrane and methods of...
- Patent number 6,214,487
- Issue date Apr 10, 2001
- Motorola, Inc.
- Ronald J. Kelley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ultrasonic welding process
- Patent number 6,176,953
- Issue date Jan 23, 2001
- Motorola, Inc.
- Bobby Dean Landreth
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fuel cell
- Patent number 6,132,895
- Issue date Oct 17, 2000
- Motorola, Inc.
- Steven D. Pratt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planar fuel cell
- Patent number 6,127,058
- Issue date Oct 3, 2000
- Motorola, Inc.
- Steven D. Pratt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell with integral fuel storage
- Patent number 6,080,501
- Issue date Jun 27, 2000
- Motorola, Inc.
- Ronald J. Kelley
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Fluid Distribution Device for Fuel Cell Power Systems
- Publication number 20080145736
- Publication date Jun 19, 2008
- Steven D. Pratt
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD AND SYSTEM FOR ENHANCING A USER EXPERIENCE USING A USER'S PH...
- Publication number 20070167689
- Publication date Jul 19, 2007
- MOTOROLA, INC.
- Padmaja Ramadas
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method and system for enhancing a user experience using a user's ph...
- Publication number 20060224046
- Publication date Oct 5, 2006
- MOTOROLA, INC.
- Padmaja Ramadas
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method and device for limiting crossover in fuel cell systems
- Publication number 20060099465
- Publication date May 11, 2006
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Gas storage media, containers, and battery employing the media
- Publication number 20050053836
- Publication date Mar 10, 2005
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Device housing responsive to an environmental stimulus
- Publication number 20050036605
- Publication date Feb 17, 2005
- Robert John Mulligan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Gas storage media, containers, and battery employing the media
- Publication number 20050035003
- Publication date Feb 17, 2005
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Housing including integrated indicia and method of making
- Publication number 20040253401
- Publication date Dec 16, 2004
- Steven Duane Pratt
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Wireless communication device with tamper resistant configuration s...
- Publication number 20040253944
- Publication date Dec 16, 2004
- Ronald J. Kelley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for advising a user of a wireless device as to...
- Publication number 20040204151
- Publication date Oct 14, 2004
- Sivakumar Muthuswamy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic device having two-sided keypad and method of forming same
- Publication number 20040203525
- Publication date Oct 14, 2004
- MOTOROLA, INC.
- Joseph G. Gillette
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for humidifying a fuel stream for a direct methanol fuel cell
- Publication number 20040191583
- Publication date Sep 30, 2004
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell using non-linear positive temperature coefficient material
- Publication number 20040185311
- Publication date Sep 23, 2004
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell system
- Publication number 20040131921
- Publication date Jul 8, 2004
- Bobby Dean Landreth
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Gas storage media, containers, and battery employing the media
- Publication number 20040096607
- Publication date May 20, 2004
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell using variable porosity gas diffusion material
- Publication number 20040086776
- Publication date May 6, 2004
- MOTOROLA, INC.
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method and device for limiting crossover in fuel cell systems
- Publication number 20040062957
- Publication date Apr 1, 2004
- MOTOROLA, INC.
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Rewritable sign system
- Publication number 20040041971
- Publication date Mar 4, 2004
- Bobby Dean Landreth
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Fuel cell having porous electrodes and method for forming same
- Publication number 20040043282
- Publication date Mar 4, 2004
- Ronald J. Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Two-stage hybrid gas pressure regulator
- Publication number 20040033400
- Publication date Feb 19, 2004
- MOTOROLA, INC.
- Ronald James Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell having activation mechanism and method for forming same
- Publication number 20040023082
- Publication date Feb 5, 2004
- Ronald James Kelly
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell system having a filter element for purifying ambient envi...
- Publication number 20040023096
- Publication date Feb 5, 2004
- Steven Duane Pratt
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Means for measuring the liquid level in a reservoir for a fuel cell
- Publication number 20040017211
- Publication date Jan 29, 2004
- Ronald J. Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Electronic device with improved user interface
- Publication number 20040004598
- Publication date Jan 8, 2004
- Sivakumar Muthuswamy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Means for measuring the liquid level in a reservoir for a fuel cell
- Publication number 20040005496
- Publication date Jan 8, 2004
- Ronald J. Kelley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Device housing having one or more optical fibers
- Publication number 20030210780
- Publication date Nov 13, 2003
- Steven Duane Pratt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fuel cell power source
- Publication number 20030194589
- Publication date Oct 16, 2003
- Steven Duane Pratt
- B60 - VEHICLES IN GENERAL
Information Patent Application
Device housing responsive to an environmental stimulus
- Publication number 20030147527
- Publication date Aug 7, 2003
- Robert John Mulligan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fuel cell using variable porosity gas diffusion material
- Publication number 20030082435
- Publication date May 1, 2003
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell using non-linear positive temperature coefficient material
- Publication number 20030082420
- Publication date May 1, 2003
- Sivakumar Muthuswamy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Steven D. Pratt

Person

Patents Grantslast 30 patents

Method and device for limiting crossover in fuel cell systems

Method and device for limiting crossover in fuel cell systems

Two-stage hybrid gas pressure regulator

Wireless communication device with tamper resistant configuration s...

Fuel cell using variable porosity gas diffusion material

Fuel cell using non-linear positive temperature coefficient material

Method of operating a fuel cell power source

Fuel cell system

Method for humidifying a fuel stream for a direct methanol fuel cell

Fuel cell having porous electrodes and method for forming same

Rewritable sign system

Means for measuring the liquid level in a reservoir for a fuel cell

Electronic device with improved user interface

Fuel cell using non-linear positive temperature coefficient material

Fuel cell using variable porosity gas diffusion material

Fuel cell having a thermo-responsive polymer incorporated therein

Fuel cell system having a replaceable getter element for purifying...

Method and apparatus for cold temperature operation of fuel cells u...

Method and apparatus for determining the amount of hydrogen in a ve...

Method of diluting hydrogen gas exhausted from a fuel cell

Method and apparatus for managing fuel cell performance

Method and apparatus for thermal management of fuel cell systems

Removable cover for a portable radio

Water management system for fuel cells

Portable fuel cell power supply

Integral sensors for monitoring a fuel cell membrane and methods of...

Ultrasonic welding process

Fuel cell

Planar fuel cell

Fuel cell with integral fuel storage

Patents Applicationslast 30 patents

Fluid Distribution Device for Fuel Cell Power Systems

METHOD AND SYSTEM FOR ENHANCING A USER EXPERIENCE USING A USER'S PH...

Method and system for enhancing a user experience using a user's ph...

Method and device for limiting crossover in fuel cell systems

Gas storage media, containers, and battery employing the media

Device housing responsive to an environmental stimulus

Gas storage media, containers, and battery employing the media

Housing including integrated indicia and method of making

Wireless communication device with tamper resistant configuration s...

Method and apparatus for advising a user of a wireless device as to...

Electronic device having two-sided keypad and method of forming same

Method for humidifying a fuel stream for a direct methanol fuel cell

Fuel cell using non-linear positive temperature coefficient material

Fuel cell system

Gas storage media, containers, and battery employing the media

Fuel cell using variable porosity gas diffusion material

Method and device for limiting crossover in fuel cell systems

Rewritable sign system

Fuel cell having porous electrodes and method for forming same

Two-stage hybrid gas pressure regulator

Fuel cell having activation mechanism and method for forming same

Fuel cell system having a filter element for purifying ambient envi...

Means for measuring the liquid level in a reservoir for a fuel cell

Electronic device with improved user interface

Means for measuring the liquid level in a reservoir for a fuel cell

Device housing having one or more optical fibers

Fuel cell power source

Device housing responsive to an environmental stimulus

Fuel cell using variable porosity gas diffusion material

Fuel cell using non-linear positive temperature coefficient material