David C. Petruska

Person

Fort Collins, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Measuring a spark of a spark plug
- Patent number 12,116,967
- Issue date Oct 15, 2024
- Woodward, Inc.
- Jeffrey S. Weaver
- G01 - MEASURING TESTING
Information Patent Grant
Current profile optimization
- Patent number 10,995,726
- Issue date May 4, 2021
- Woodward, Inc.
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Controlled spark ignited flame kernel flow in fuel-fed prechambers
- Patent number 10,907,532
- Issue date Feb 2, 2021
- Woodward Inc.
- Domenico Chiera
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Controlled spark ignited flame kernel flow in fuel-fed prechambers
- Patent number 9,476,347
- Issue date Oct 25, 2016
- Woodward, Inc.
- Domenico Chiera
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multiplexing drive circuit for an AC ignition system with current m...
- Patent number 8,931,457
- Issue date Jan 13, 2015
- Woodward, Inc.
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Self charging ion sensing coil
- Patent number 8,461,844
- Issue date Jun 11, 2013
- Woodward, Inc.
- David C. Petruska
- G01 - MEASURING TESTING
Information Patent Grant
Multiplexing drive circuit for an AC ignition system
- Patent number 8,276,564
- Issue date Oct 2, 2012
- Woodward, Inc.
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Active snubber circuit for electrical rotary actuator
- Patent number 6,738,239
- Issue date May 18, 2004
- Woodward Governor Company
- David C. Petruska
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ignition system and method
- Patent number 6,670,777
- Issue date Dec 30, 2003
- Woodward Governor Company
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
MEASURING A SPARK OF A SPARK PLUG
- Publication number 20240102437
- Publication date Mar 28, 2024
- WOODWARD, INC.
- Jeffrey S. Weaver
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current Profile Optimization
- Publication number 20190301423
- Publication date Oct 3, 2019
- WOODWARD, INC.
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROLLED SPARK IGNITED FLAME KERNEL FLOW IN FUEL-FED PRECHAMBERS
- Publication number 20170044970
- Publication date Feb 16, 2017
- WOODWARD, INC.
- Domenico Chiera
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Controlled Spark Ignited Flame Kernel Flow in Fuel-Fed Prechambers
- Publication number 20130042834
- Publication date Feb 21, 2013
- WOODWARD, INC.
- Domenico Chiera
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Controlled Spark Ignited Flame Kernel Flow in Fuel-Fed Prechambers
- Publication number 20120125287
- Publication date May 24, 2012
- WOODWARD, INC.
- Domenico Chiera
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MULTIPLEXING DRIVE CIRCUIT FOR AN AC IGNITION SYSTEM WITH CURRENT M...
- Publication number 20110255208
- Publication date Oct 20, 2011
- WOODWARD, INC.
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Self Charging Ion Sensing Coil
- Publication number 20110080174
- Publication date Apr 7, 2011
- Woodward Governor Company
- David C. Petruska
- G01 - MEASURING TESTING
Information Patent Application
Multiplexing Drive Circuit For An AC Ignition System
- Publication number 20110041804
- Publication date Feb 24, 2011
- Woodward Governor Company
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
IGNITION SYSTEM AND METHOD
- Publication number 20040000878
- Publication date Jan 1, 2004
- Woodward Governor Company
- David C. Petruska
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Active snubber circuit for electrical rotary actuator
- Publication number 20020118496
- Publication date Aug 29, 2002
- Woodward Governor Company
- David C. Petruska
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Reverse voltage protection for motor drive
- Publication number 20020118497
- Publication date Aug 29, 2002
- Woodward Governor Company
- David C. Petruska
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

David C. Petruska

Person

Patents Grantslast 30 patents

Measuring a spark of a spark plug

Current profile optimization

Controlled spark ignited flame kernel flow in fuel-fed prechambers

Controlled spark ignited flame kernel flow in fuel-fed prechambers

Multiplexing drive circuit for an AC ignition system with current m...

Self charging ion sensing coil

Multiplexing drive circuit for an AC ignition system

Active snubber circuit for electrical rotary actuator

Ignition system and method

Patents Applicationslast 30 patents

MEASURING A SPARK OF A SPARK PLUG

Current Profile Optimization

CONTROLLED SPARK IGNITED FLAME KERNEL FLOW IN FUEL-FED PRECHAMBERS

Controlled Spark Ignited Flame Kernel Flow in Fuel-Fed Prechambers

Controlled Spark Ignited Flame Kernel Flow in Fuel-Fed Prechambers

MULTIPLEXING DRIVE CIRCUIT FOR AN AC IGNITION SYSTEM WITH CURRENT M...

Self Charging Ion Sensing Coil

Multiplexing Drive Circuit For An AC Ignition System

IGNITION SYSTEM AND METHOD

Active snubber circuit for electrical rotary actuator

Reverse voltage protection for motor drive