David S. Stewart

Person

Cranbury, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Protective device minimizing dispersion of airborne pathogens from...
- Patent number 11,328,697
- Issue date May 10, 2022
- David B Stewart
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pitch and heave driven wave energy converter system including cable...
- Patent number 9,790,913
- Issue date Oct 17, 2017
- Ocean Power Technologies, Inc.
- David B. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wave energy converter with rotary hydraulic spring
- Patent number 9,115,686
- Issue date Aug 25, 2015
- Ocean Power Technologies, Inc.
- David B. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Ball and socket power cable connector
- Patent number 8,869,524
- Issue date Oct 28, 2014
- Ocean Power Technologies, Inc.
- David B. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Reaction mass and spring oscillator for wave energy converter
- Patent number 8,763,389
- Issue date Jul 1, 2014
- Ocean Power Technologies, Inc.
- David B. Stewart
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Multi-mode wave energy converter devices and systems
- Patent number 8,723,351
- Issue date May 13, 2014
- Ocean Power Technologies, Inc.
- David B. Stewart
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wave energy converter and power take off system
- Patent number 8,487,459
- Issue date Jul 16, 2013
- Ocean Power Technologies, Inc.
- James E. Eder
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wave energy converter with internal mass on spring oscillator
- Patent number 8,067,849
- Issue date Nov 29, 2011
- Ocean Power Technologies, Inc.
- David B. Stewart
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Expandable wave energy conversion system
- Patent number 7,476,137
- Issue date Jan 13, 2009
- Ocean Power Technologies, Inc.
- David B. Stewart
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wave energy converter utilizing internal reaction mass and spring
- Patent number 7,443,046
- Issue date Oct 28, 2008
- Ocean Power Technologies, Inc.
- David B. Stewart
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Circuitry for increasing efficiency of a linear electric generator
- Patent number 7,397,152
- Issue date Jul 8, 2008
- Ocean Power Technologies, Inc.
- David B. Stewart
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Coil switching circuit for linear electric generator
- Patent number 7,362,003
- Issue date Apr 22, 2008
- Ocean Power Technologies, Inc.
- David B. Stewart
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Coil switching of an electric generator
- Patent number 7,348,764
- Issue date Mar 25, 2008
- Ocean Power Technologies, Inc.
- David B. Stewart
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wave energy converters (WECs) with linear electric generators (LEGs)
- Patent number 7,323,790
- Issue date Jan 29, 2008
- Ocean Power Technologies, Inc.
- George W. Taylor
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wave energy converters (WECs) with velocity multiplication
- Patent number 7,310,944
- Issue date Dec 25, 2007
- Ocean Power Technologies, Inc.
- Thomas Sabol
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Active impedance matching systems and methods for wave energy conve...
- Patent number 7,305,823
- Issue date Dec 11, 2007
- Ocean Power Technologies, Inc.
- David B. Stewart
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wave energy converter (WEC) with magnetic braking
- Patent number 7,168,532
- Issue date Jan 30, 2007
- Ocean Power Technologies, Inc.
- David B. Stewart
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wave energy converter (WEC) device and system
- Patent number 7,140,180
- Issue date Nov 28, 2006
- Ocean Power Technologies, Inc.
- James Gerber
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Antirotational structures for wave energy converters
- Patent number 7,141,888
- Issue date Nov 28, 2006
- Ocean Power Technologies, Inc.
- Thomas Sabol
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power supply system for arcjet thrusters
- Patent number 5,359,180
- Issue date Oct 25, 1994
- General Electric Company
- John N. Park
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Reaction mass and spring oscillator for wave energy converter
- Publication number 20140007567
- Publication date Jan 9, 2014
- OCEAN POWER TECHNOLOGIES, INC.
- David B. Stewart
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
PITCH DRIVEN WAVE ENERGY CONVERTER DEVICES AND SYSTEMS
- Publication number 20120248774
- Publication date Oct 4, 2012
- DAVID B. STEWART
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
MULTI-MODE WAVE ENERGY CONVERTER DEVICES AND SYSTEMS
- Publication number 20120248775
- Publication date Oct 4, 2012
- DAVID B. STEWART
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WAVE ENERGY CONVERTER WITH ROTARY HYDRAULIC SPRING
- Publication number 20120247098
- Publication date Oct 4, 2012
- DAVID B. STEWART
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
BALL AND SOCKET POWER CABLE CONNECTOR
- Publication number 20120247809
- Publication date Oct 4, 2012
- David B. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wave energy converter and power take off system
- Publication number 20110084488
- Publication date Apr 14, 2011
- OCEAN POWER TECHNOLOGIES, INC.
- James E. Eder
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wave energy converter with internal mass on spring oscillator
- Publication number 20090085357
- Publication date Apr 2, 2009
- OCEAN POWER TECHNOLOGIES, l
- David B. Stewart
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Coil switching of an electric generator
- Publication number 20080012538
- Publication date Jan 17, 2008
- OCEAN POWER TECHNOLOGIES, INC.
- David B. Stewart
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ACTIVE IMPEDANCE MATCHING SYSTEMS AND METHODS FOR WAVE ENERGY CONVE...
- Publication number 20070261404
- Publication date Nov 15, 2007
- David S. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wave energy converter utilizing internal reaction mass and spring
- Publication number 20070126239
- Publication date Jun 7, 2007
- David B. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Expandable wave energy conversion system
- Publication number 20070046027
- Publication date Mar 1, 2007
- David B. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wave energy converters (WECs) with linear electric generators (LEGs)
- Publication number 20060208839
- Publication date Sep 21, 2006
- George W. Taylor
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wave energy converters (WECs) with velocity multiplication
- Publication number 20050235641
- Publication date Oct 27, 2005
- Thomas Sabol
- B60 - VEHICLES IN GENERAL
Information Patent Application
Antirotational structures for wave energy converters
- Publication number 20050237775
- Publication date Oct 27, 2005
- Thomas Sabol
- B60 - VEHICLES IN GENERAL
Information Patent Application
Wave energy converter (WEC) with magnetic braking
- Publication number 20050230206
- Publication date Oct 20, 2005
- David B. Stewart
- B60 - VEHICLES IN GENERAL
Information Patent Application
Coil switching circuit for linear electric generator
- Publication number 20050218728
- Publication date Oct 6, 2005
- David B. Stewart
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Circuitry for increasing efficiency of a linear electric generator
- Publication number 20050206247
- Publication date Sep 22, 2005
- David B. Stewart
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Wave energy converter (WEC) device and system
- Publication number 20040163389
- Publication date Aug 26, 2004
- James S. Gerber
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

David S. Stewart

Person

Patents Grantslast 30 patents

Protective device minimizing dispersion of airborne pathogens from...

Pitch and heave driven wave energy converter system including cable...

Wave energy converter with rotary hydraulic spring

Ball and socket power cable connector

Reaction mass and spring oscillator for wave energy converter

Multi-mode wave energy converter devices and systems

Wave energy converter and power take off system

Wave energy converter with internal mass on spring oscillator

Expandable wave energy conversion system

Wave energy converter utilizing internal reaction mass and spring

Circuitry for increasing efficiency of a linear electric generator

Coil switching circuit for linear electric generator

Coil switching of an electric generator

Wave energy converters (WECs) with linear electric generators (LEGs)

Wave energy converters (WECs) with velocity multiplication

Active impedance matching systems and methods for wave energy conve...

Wave energy converter (WEC) with magnetic braking

Wave energy converter (WEC) device and system

Antirotational structures for wave energy converters

Power supply system for arcjet thrusters

Patents Applicationslast 30 patents

Reaction mass and spring oscillator for wave energy converter

PITCH DRIVEN WAVE ENERGY CONVERTER DEVICES AND SYSTEMS

MULTI-MODE WAVE ENERGY CONVERTER DEVICES AND SYSTEMS

WAVE ENERGY CONVERTER WITH ROTARY HYDRAULIC SPRING

BALL AND SOCKET POWER CABLE CONNECTOR

Wave energy converter and power take off system

Wave energy converter with internal mass on spring oscillator

Coil switching of an electric generator

ACTIVE IMPEDANCE MATCHING SYSTEMS AND METHODS FOR WAVE ENERGY CONVE...

Wave energy converter utilizing internal reaction mass and spring

Expandable wave energy conversion system

Wave energy converters (WECs) with linear electric generators (LEGs)

Wave energy converters (WECs) with velocity multiplication

Antirotational structures for wave energy converters

Wave energy converter (WEC) with magnetic braking

Coil switching circuit for linear electric generator

Circuitry for increasing efficiency of a linear electric generator

Wave energy converter (WEC) device and system