Keith Johnston

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Device for reducing the open circuit voltage of a solar system
- Patent number 11,894,805
- Issue date Feb 6, 2024
- Enphase Energy, Inc.
- Steven M. Kraft
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Output control and compensation for AC coupled systems
- Patent number 11,139,654
- Issue date Oct 5, 2021
- EGUANA TECHNOLOGIES
- Daljit Ghotra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatic recovery control
- Patent number 10,305,321
- Issue date May 28, 2019
- EGUANA TECHNOLOGIES
- Daljit Ghotra
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Seamless transitions between control modes
- Patent number 10,181,724
- Issue date Jan 15, 2019
- EGUANA TECHNOLOGIES
- Daljit Ghotra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
BATTERY STRING CONFIGURATION
- Publication number 20230420957
- Publication date Dec 28, 2023
- FORM ENERGY, INC.
- Tyler GRANDAHL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OUTPUT CONTROL AND COMPENSATION FOR AC COUPLED SYSTEMS
- Publication number 20220021206
- Publication date Jan 20, 2022
- Eguana Technologies
- Daljit Ghotra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AUTOMATIC RECOVERY CONTROL
- Publication number 20170229905
- Publication date Aug 10, 2017
- Eguana Technologies
- Daljit Ghotra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEAMLESS TRANSITIONS BETWEEN CONTROL MODES
- Publication number 20170229866
- Publication date Aug 10, 2017
- Eguana Technologies
- Daljit Ghotra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OUTPUT CONTROL AND COMPENSATION FOR AC COUPLED SYSTEMS
- Publication number 20170229867
- Publication date Aug 10, 2017
- Eguana Technologies
- Daljit Ghotra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DEVICE FOR REDUCING THE OPEN CIRCUIT VOLTAGE OF A SOLAR SYSTEM
- Publication number 20170025995
- Publication date Jan 26, 2017
- Steven M. Kraft
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER