Todd D. Hellewell

Person

Windsor, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Overfire air system for low nitrogen oxide tangentially fired boiler
- Patent number 10,634,341
- Issue date Apr 28, 2020
- General Electric Technology GmbH
- Todd D. Hellewell
- F22 - STEAM GENERATION
Information Patent Grant
Dual injection grid arrangement
- Patent number 9,649,594
- Issue date May 16, 2017
- General Electric Technology GmbH
- Mitchell B. Cohen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Enhanced flue gas damper mixing device
- Patent number 9,488,369
- Issue date Nov 8, 2016
- General Electric Technology GmbH
- Mitchell B. Cohen
- F22 - STEAM GENERATION
Information Patent Grant
Flow deflectors for fuel nozzles
- Patent number 9,388,982
- Issue date Jul 12, 2016
- Alstom Technology Ltd
- Richard E. Donais
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Flue gas stream bypass during selective catalytic reduction in a po...
- Patent number 8,980,212
- Issue date Mar 17, 2015
- Alstom Technology Ltd
- Scott L. Darling
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Low NOx nozzle tip for a pulverized solid fuel furnace
- Patent number 8,701,572
- Issue date Apr 22, 2014
- Alstom Technology Ltd
- Richard E. Donais
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Minimum recirculation flame control (MRFC) pulverized solid fuel no...
- Patent number 6,089,171
- Issue date Jul 18, 2000
- Combustion Engineering, Inc.
- Milton A. Fong
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Control of staged combustion, low NO.sub.x firing systems with sing...
- Patent number 5,626,085
- Issue date May 6, 1997
- Combustion Engineering, Inc.
- Richard E. Donais
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Integrated low NO.sub.x tangential firing system
- Patent number 5,315,939
- Issue date May 31, 1994
- Combustion Engineering, Inc.
- Michael J. Rini
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Clustered concentric tangential firing system
- Patent number 5,020,454
- Issue date Jun 4, 1991
- Combustion Engineering, Inc.
- Todd D. Hellewell
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Apparatus for removal of troublesome mineral matter from pulverized...
- Patent number 4,505,435
- Issue date Mar 19, 1985
- Combustion Engineering, Inc.
- Todd D. Hellewell
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR FIRING A BIOFUEL
- Publication number 20180238541
- Publication date Aug 23, 2018
- General Electric Technology GmbH
- SCOTT CARPENTER MILLIGAN
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Overfire Air System For Low Nitrogen Oxide Tangentially Fired Boiler
- Publication number 20180058687
- Publication date Mar 1, 2018
- General Electric Technology GmbH
- Todd D. Hellewell
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
DUAL INJECTION GRID ARRANGEMENT
- Publication number 20160279565
- Publication date Sep 29, 2016
- ALSTOM Technology Ltd.
- Mitchell B. COHEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PLANT, COMBUSTION APPARATUS, AND METHOD FOR REDUCTION OF NOx EMISSIONS
- Publication number 20160146462
- Publication date May 26, 2016
- ALSTOM Technology Ltd.
- Mitchell B. COHEN
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
FLUE GAS STREAM BYPASS DURING SELECTIVE CATALYTIC REDUCTION IN A PO...
- Publication number 20150056118
- Publication date Feb 26, 2015
- ALSTOM Technology Ltd.
- Scott L. DARLING
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ENHANCED FLUE GAS DAMPER MIXING DEVICE
- Publication number 20130291983
- Publication date Nov 7, 2013
- Mitchell B. Cohen
- F22 - STEAM GENERATION
Information Patent Application
FLOW DEFLECTORS FOR FUEL NOZZLES
- Publication number 20120104055
- Publication date May 3, 2012
- ALSTOM Technology Ltd.
- Richard E. Donais
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
LOW NOx NOZZLE TIP FOR A PULVERIZED SOLID FUEL FURNACE
- Publication number 20090277364
- Publication date Nov 12, 2009
- ALSTOM Technology Ltd.
- Richard E. Donais
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Todd D. Hellewell

Person

Patents Grantslast 30 patents

Overfire air system for low nitrogen oxide tangentially fired boiler

Dual injection grid arrangement

Enhanced flue gas damper mixing device

Flow deflectors for fuel nozzles

Flue gas stream bypass during selective catalytic reduction in a po...

Low NOx nozzle tip for a pulverized solid fuel furnace

Minimum recirculation flame control (MRFC) pulverized solid fuel no...

Control of staged combustion, low NO.sub.x firing systems with sing...

Integrated low NO.sub.x tangential firing system

Clustered concentric tangential firing system

Apparatus for removal of troublesome mineral matter from pulverized...

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR FIRING A BIOFUEL

Overfire Air System For Low Nitrogen Oxide Tangentially Fired Boiler

DUAL INJECTION GRID ARRANGEMENT

PLANT, COMBUSTION APPARATUS, AND METHOD FOR REDUCTION OF NOx EMISSIONS

FLUE GAS STREAM BYPASS DURING SELECTIVE CATALYTIC REDUCTION IN A PO...

ENHANCED FLUE GAS DAMPER MIXING DEVICE

FLOW DEFLECTORS FOR FUEL NOZZLES

LOW NOx NOZZLE TIP FOR A PULVERIZED SOLID FUEL FURNACE