John Cummings

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electrical energy supply methods and electrical energy power supplies
- Patent number 7,719,227
- Issue date May 18, 2010
- Valence Technology, Inc.
- Joseph Lamoreux
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical storage circuitry operational methods
- Patent number 6,919,708
- Issue date Jul 19, 2005
- Valence Technology, Inc.
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical energy systems, power supply apparatuses, and electrical...
- Patent number 6,914,417
- Issue date Jul 5, 2005
- Valence Technology, Inc.
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply apparatuses and power supply operational methods
- Patent number 6,809,500
- Issue date Oct 26, 2004
- Valence Technology, Inc.
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical power source apparatuses, circuits, electrochemical devi...
- Patent number 6,798,170
- Issue date Sep 28, 2004
- Valence Technology, Inc.
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical energy apparatuses, electrical energy conditioning circu...
- Patent number 6,765,368
- Issue date Jul 20, 2004
- Valence Technology, Inc.
- Lawrence Stone
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuits, apparatuses, electrochemical device charging methods, and...
- Patent number 6,724,173
- Issue date Apr 20, 2004
- Valence Technology, Inc.
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply selector
- Patent number 6,724,588
- Issue date Apr 20, 2004
- Dell USA L.P.
- John A. Cummings
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power supply apparatuses and methods of supplying electrical energy
- Patent number 6,667,599
- Issue date Dec 23, 2003
- Valence Technology, Inc.
- Lawrence Stone
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery charge determination
- Patent number 6,307,377
- Issue date Oct 23, 2001
- Dell U.S.A., L.P.
- John A. Cummings
- G01 - MEASURING TESTING
Information Patent Grant
Increased battery capacity utilizing multiple smart batteries
- Patent number 6,262,562
- Issue date Jul 17, 2001
- Dell Products, L.P.
- John A. Cummings
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrically conductive vibration dampener
- Patent number 6,233,140
- Issue date May 15, 2001
- Dell U.S.A., L.P.
- John A. Cummings
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptive multiple battery charging apparatus
- Patent number 6,194,867
- Issue date Feb 27, 2001
- Dell U.S.A., L.P.
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Constant polarity input device including synchronous bridge rectifier
- Patent number 6,181,588
- Issue date Jan 30, 2001
- Dell U.S.A., L.P.
- Barry K. Kates
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Redirected sequential flyback regulator
- Patent number 6,172,883
- Issue date Jan 9, 2001
- Dell U.S.A., L.P.
- Barry K. Kates
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reverse current protection/current overshoot control for two quadra...
- Patent number 6,137,267
- Issue date Oct 24, 2000
- Dell Computer Corporation
- Barry K. Kates
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adaptive fast charging of lithium-ion batteries
- Patent number 6,137,265
- Issue date Oct 24, 2000
- Dell U.S.A., L.P.
- John A. Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Balanced feedback system for floating cold cathode fluorescent lamps
- Patent number 6,130,509
- Issue date Oct 10, 2000
- Dell Computer Corporation
- Barry K. Kates
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Protection circuit for electronic devices
- Patent number 6,130,813
- Issue date Oct 10, 2000
- Dell U.S.A., L.P.
- Barry K. Kates
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage regulator with double synchronous bridge CCFL inverter
- Patent number 6,108,215
- Issue date Aug 22, 2000
- Dell Computer Corporation
- Barry K. Kates
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Redirected sequential flyback synchronous rectifier
- Patent number 6,075,352
- Issue date Jun 13, 2000
- Dell Computer Corporation
- Barry K. Kates
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current converter and source identification and detection
- Patent number 6,058,034
- Issue date May 2, 2000
- John A. Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self discharge of batteries at high temperatures
- Patent number 6,025,699
- Issue date Feb 15, 2000
- Dell U.S.A., L.P.
- John A. Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self heating of batteries at low temperatures
- Patent number 6,002,240
- Issue date Dec 14, 1999
- Dell U.S.A., L.P.
- Robert L. McMahan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual battery pack charging in a computer system
- Patent number 5,955,867
- Issue date Sep 21, 1999
- Dell USA L.P.
- John A. Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dual smart battery detection system and method for portable computers
- Patent number 5,818,200
- Issue date Oct 6, 1998
- Dell U.S.A., L.P.
- John Cummings
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Boost converters, power supply apparatuses, electrical energy boost...
- Publication number 20050073866
- Publication date Apr 7, 2005
- John Cummings
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Electrical energy systems, power supply apparatuses, and electrical...
- Publication number 20040217739
- Publication date Nov 4, 2004
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Circuits, apparatuses, electrochemical device charging methods, and...
- Publication number 20040196008
- Publication date Oct 7, 2004
- Valence Technology
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power supply apparatuses and power supply operational methods
- Publication number 20040145359
- Publication date Jul 29, 2004
- John Cummings
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Electrical energy apparatuses, electrical energy conditioning circu...
- Publication number 20040108839
- Publication date Jun 10, 2004
- Lawrence Stone
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Circuits, apparatuses, electrochemical device charging methods, and...
- Publication number 20030151391
- Publication date Aug 14, 2003
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electrical power source apparatuses, circuits, electrochemical devi...
- Publication number 20030151389
- Publication date Aug 14, 2003
- John Cummings
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power supply apparatuses and methods of supplying electrical energy
- Publication number 20030151392
- Publication date Aug 14, 2003
- Lawrence Stone
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

John Cummings

Person

Patents Grantslast 30 patents

Electrical energy supply methods and electrical energy power supplies

Electrical storage circuitry operational methods

Electrical energy systems, power supply apparatuses, and electrical...

Power supply apparatuses and power supply operational methods

Electrical power source apparatuses, circuits, electrochemical devi...

Electrical energy apparatuses, electrical energy conditioning circu...

Circuits, apparatuses, electrochemical device charging methods, and...

Power supply selector

Power supply apparatuses and methods of supplying electrical energy

Battery charge determination

Increased battery capacity utilizing multiple smart batteries

Electrically conductive vibration dampener

Adaptive multiple battery charging apparatus

Constant polarity input device including synchronous bridge rectifier

Redirected sequential flyback regulator

Reverse current protection/current overshoot control for two quadra...

Adaptive fast charging of lithium-ion batteries

Balanced feedback system for floating cold cathode fluorescent lamps

Protection circuit for electronic devices

Voltage regulator with double synchronous bridge CCFL inverter

Redirected sequential flyback synchronous rectifier

Current converter and source identification and detection

Self discharge of batteries at high temperatures

Self heating of batteries at low temperatures

Dual battery pack charging in a computer system

Dual smart battery detection system and method for portable computers

Patents Applicationslast 30 patents

Boost converters, power supply apparatuses, electrical energy boost...

Electrical energy systems, power supply apparatuses, and electrical...

Circuits, apparatuses, electrochemical device charging methods, and...

Power supply apparatuses and power supply operational methods

Electrical energy apparatuses, electrical energy conditioning circu...

Circuits, apparatuses, electrochemical device charging methods, and...

Electrical power source apparatuses, circuits, electrochemical devi...

Power supply apparatuses and methods of supplying electrical energy