John William Hoffman

Person

New Albany, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Corona igniter having improved gap control
- Patent number 8,839,753
- Issue date Sep 23, 2014
- Federal-Mogul Ignition Company
- John Antony Burrows
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug having a plastic upper insulator and method of construction
- Patent number 8,680,758
- Issue date Mar 25, 2014
- Federal-Mogul Ignition Company
- Kevin L. Miller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Igniter system for igniting fuel
- Patent number 8,434,443
- Issue date May 7, 2013
- Federal-Mogul Ignition Company
- James D. Lykowski
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of assembling a small-diameter spark plug with resistive seal
- Patent number 8,272,909
- Issue date Sep 25, 2012
- Federal-Mogul World Wide, Inc.
- John W. Hoffman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming layered heating element for glow plug
- Patent number 8,079,136
- Issue date Dec 20, 2011
- Federal-Mogul World Wide, Inc.
- William J. Walker, Jr.
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Ceramic with improved high temperature electrical properties for us...
- Patent number 8,012,898
- Issue date Sep 6, 2011
- Federal-Mogul World Wide, Inc.
- William John Walker, Jr.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Small-diameter spark plug with resistive seal
- Patent number 8,013,502
- Issue date Sep 6, 2011
- Federal-Mogul Corporation
- John W. Hoffman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug with an improved seal
- Patent number 7,969,077
- Issue date Jun 28, 2011
- Federal-Mogul World Wide, Inc.
- John W. Hoffman
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Ceramic with improved high temperature electrical properties for us...
- Patent number 7,858,547
- Issue date Dec 28, 2010
- Federal-Mogul World Wide, Inc.
- William John Walker, Jr.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for forming layered heating element for glow plug
- Patent number 7,607,206
- Issue date Oct 27, 2009
- Federal-Mogul World Wide, Inc.
- William J. Walker, Jr.
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method of fabricating a multilayer ceramic heating element
- Patent number 7,572,480
- Issue date Aug 11, 2009
- Federal-Mogul World Wide, Inc.
- James L. May
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Spark plug with tapered fired-in suppressor seal
- Patent number 7,443,089
- Issue date Oct 28, 2008
- Federal-Mogul World Wide, Inc.
- John W. Hoffman
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
INSULATION PAD FOR PIPES AND VESSELS
- Publication number 20240295053
- Publication date Sep 5, 2024
- Owens Corning Intellectual Capital, LLC
- Steven Albert Thaxton
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
BUILDING INSULATION SYSTEM
- Publication number 20180080223
- Publication date Mar 22, 2018
- Owens Corning Intellectual Capital, LLC
- Larry J. Grant
- E04 - BUILDING
Information Patent Application
BUILDING INSULATION SYSTEM
- Publication number 20150361653
- Publication date Dec 17, 2015
- Larry J. Grant
- E04 - BUILDING
Information Patent Application
INSULATION PAD FOR PIPES AND VESSELS
- Publication number 20150247270
- Publication date Sep 3, 2015
- Owens Corning Intellectual Capital, LLC
- Steven Albert Thaxton
- D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information Patent Application
CORONA IGNITER HAVING IMPROVED GAP CONTROL
- Publication number 20120192824
- Publication date Aug 2, 2012
- JOHN ANTONY BURROWS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SMALL-DIAMETER SPARK PLUG WITH RESISTIVE SEAL
- Publication number 20110298164
- Publication date Dec 8, 2011
- John W. Hoffman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CERAMIC WITH IMPROVED HIGH TEMPERATURE ELECTRICAL PROPERTIES FOR US...
- Publication number 20110177932
- Publication date Jul 21, 2011
- William John Walker, JR.
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
SPARK PLUG HAVING A PLASTIC UPPER INSULATOR AND METHOD OF CONSTRUCTION
- Publication number 20100201245
- Publication date Aug 12, 2010
- Kevin L. Miller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IGNITER SYSTEM FOR IGNITING FUEL
- Publication number 20100175655
- Publication date Jul 15, 2010
- FEDERAL-MOGUL IGNITION COMPANY
- James D. Lykowski
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD FOR FORMING LAYERED HEATING ELEMENT FOR GLOW PLUG
- Publication number 20100043208
- Publication date Feb 25, 2010
- William J. Walker, JR.
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
SHEATHED GLOW PLUG
- Publication number 20090184101
- Publication date Jul 23, 2009
- John Hoffman
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
SMALL-DIAMETER SPARK PLUG WITH RESISTIVE SEAL
- Publication number 20080284305
- Publication date Nov 20, 2008
- John W. Hoffman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF FABRICATING A MULTILAYER CERAMIC HEATING ELEMENT
- Publication number 20080095943
- Publication date Apr 24, 2008
- James L. May
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Spark plug with tapered fired-in suppressor seal
- Publication number 20070290594
- Publication date Dec 20, 2007
- John W. Hoffman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG
- Publication number 20070290590
- Publication date Dec 20, 2007
- Federal Mogul-World Wide, Inc.
- John W. Hoffman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-LAYER HEATING ELEMENT
- Publication number 20070221647
- Publication date Sep 27, 2007
- Federal Mogul-World Wide, Inc.
- William J. Walker
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Method for forming layered heating element for glow plug
- Publication number 20070151096
- Publication date Jul 5, 2007
- William J. Walker
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Ceramic with improved high temperature electrical properties for us...
- Publication number 20070123412
- Publication date May 31, 2007
- William John Walker
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

John William Hoffman

Person

Patents Grantslast 30 patents

Corona igniter having improved gap control

Spark plug having a plastic upper insulator and method of construction

Igniter system for igniting fuel

Method of assembling a small-diameter spark plug with resistive seal

Method for forming layered heating element for glow plug

Ceramic with improved high temperature electrical properties for us...

Small-diameter spark plug with resistive seal

Spark plug with an improved seal

Ceramic with improved high temperature electrical properties for us...

Method for forming layered heating element for glow plug

Method of fabricating a multilayer ceramic heating element

Spark plug with tapered fired-in suppressor seal

Patents Applicationslast 30 patents

INSULATION PAD FOR PIPES AND VESSELS

BUILDING INSULATION SYSTEM

BUILDING INSULATION SYSTEM

INSULATION PAD FOR PIPES AND VESSELS

CORONA IGNITER HAVING IMPROVED GAP CONTROL

SMALL-DIAMETER SPARK PLUG WITH RESISTIVE SEAL

CERAMIC WITH IMPROVED HIGH TEMPERATURE ELECTRICAL PROPERTIES FOR US...

SPARK PLUG HAVING A PLASTIC UPPER INSULATOR AND METHOD OF CONSTRUCTION

IGNITER SYSTEM FOR IGNITING FUEL

METHOD FOR FORMING LAYERED HEATING ELEMENT FOR GLOW PLUG

SHEATHED GLOW PLUG

SMALL-DIAMETER SPARK PLUG WITH RESISTIVE SEAL

METHOD OF FABRICATING A MULTILAYER CERAMIC HEATING ELEMENT

Spark plug with tapered fired-in suppressor seal

SPARK PLUG

MULTI-LAYER HEATING ELEMENT

Method for forming layered heating element for glow plug

Ceramic with improved high temperature electrical properties for us...