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David Waddleton
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Candiac, CA
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for purging a fuel manifold of a gas turbine engi...
Patent number
11,846,236
Issue date
Dec 19, 2023
Pratt & Whitney Canada Corp.
Cédric Saintignan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System and method for purging a fuel manifold of a gas turbine engi...
Patent number
11,732,653
Issue date
Aug 22, 2023
Pratt & Whitney Canada Corp.
James Robert Jarvo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System and method for purging a fuel manifold of a gas turbine engi...
Patent number
11,536,201
Issue date
Dec 27, 2022
Pratt & Whitney Canada Corp.
James Robert Jarvo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotodynamic pump having a body defining a body cavity with a first...
Patent number
11,459,958
Issue date
Oct 4, 2022
Pratt & Whitney Canada Corp.
David Waddleton
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
System and method for purging a fuel manifold of a gas turbine engi...
Patent number
11,391,214
Issue date
Jul 19, 2022
Pratt & Whitney Canada Corp.
Cédric Saintignan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotodynamic pump and method
Patent number
11,280,342
Issue date
Mar 22, 2022
Pratt & Whitney Canada Corp.
David Waddleton
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine fuel system for use with composite aircraft
Patent number
11,261,793
Issue date
Mar 1, 2022
Pratt & Whitney Canada Corp.
Harris Shafique
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Aircraft engine fuel system and method
Patent number
11,230,979
Issue date
Jan 25, 2022
Pratt & Whitney Canada Corp.
David Waddleton
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Shared oil system arrangement for an engine component and a generator
Patent number
11,225,888
Issue date
Jan 18, 2022
Pratt & Whitney Canada Corp.
David Waddleton
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Aircraft motive flow line
Patent number
11,124,312
Issue date
Sep 21, 2021
Pratt & Whitney Canada Corp.
David Waddleton
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Propeller blade angle control system
Patent number
10,793,256
Issue date
Oct 6, 2020
Pratt & Whitney Canada Corp.
David Waddleton
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Shared oil system arrangement for an engine component and a generator
Patent number
10,544,717
Issue date
Jan 28, 2020
Pratt & Whitney Canada Corp.
David Waddleton
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Propeller blade angle control system
Patent number
10,501,169
Issue date
Dec 10, 2019
Pratt & Whitney Canada Corp.
David Waddleton
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Engine fuel system for use with composite aircraft
Patent number
10,465,609
Issue date
Nov 5, 2019
Pratt & Whitney Canada Corp.
Harris Shafique
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Nitrogen bubbler system in fuel tank and method
Patent number
9,096,326
Issue date
Aug 4, 2015
Pratt & Whitney Canada Corp.
Kevin Allan Dooley
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Air filtration system for gas turbine engine pneumatic system
Patent number
8,572,985
Issue date
Nov 5, 2013
Pratt & Whitney Canada Corp.
David Waddleton
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Pressurized oil supply for propeller engine system
Patent number
7,118,336
Issue date
Oct 10, 2006
Pratt & Whitney Canada Corp.
David Waddleton
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR PURGING A FUEL MANIFOLD OF A GAS TURBINE ENGI...
Publication number
20240077032
Publication date
Mar 7, 2024
Pratt & Whitney Canada Corp.
Cédric SAINTIGNAN
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR PURGING A FUEL MANIFOLD OF A GAS TURBINE ENGI...
Publication number
20230340910
Publication date
Oct 26, 2023
Pratt & Whitney Canada Corp.
James Robert JARVO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR PURGING A FUEL MANIFOLD OF A GAS TURBINE ENGI...
Publication number
20230083847
Publication date
Mar 16, 2023
Pratt & Whitney Canada Corp.
James Robert JARVO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR PURGING A FUEL MANIFOLD OF A GAS TURBINE ENGI...
Publication number
20220298972
Publication date
Sep 22, 2022
Pratt & Whitney Canada Corp.
Cédric SAINTIGNAN
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
METHOD OF OPERATING AN AIRCRAFT ENGINE AND FUEL SYSTEM USING MULTIP...
Publication number
20220178544
Publication date
Jun 9, 2022
Sean DURAND
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
METHOD OF OPERATING AN AIRCRAFT ENGINE AND FUEL SYSTEM USING MULTIP...
Publication number
20220178306
Publication date
Jun 9, 2022
Sean DURAND
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR PURGING A FUEL MANIFOLD OF A GAS TURBINE ENGI...
Publication number
20200362764
Publication date
Nov 19, 2020
Pratt & Whitney Canada Corp.
Cédric SAINTIGNAN
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR PURGING A FUEL MANIFOLD OF A GAS TURBINE ENGI...
Publication number
20200362763
Publication date
Nov 19, 2020
Pratt & Whitney Canada Corp.
James Robert JARVO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
AIRCRAFT MOTIVE FLOW LINE
Publication number
20200331623
Publication date
Oct 22, 2020
Pratt & Whitney Canada Corp.
David Waddleton
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ROTODYNAMIC PUMP AND METHOD
Publication number
20200318644
Publication date
Oct 8, 2020
Pratt & Whitney Canada Corp.
David WADDLETON
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
ROTODYNAMIC PUMP AND METHOD
Publication number
20200300179
Publication date
Sep 24, 2020
Pratt & Whitney Canada Corp.
David WADDLETON
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
AIRCRAFT ENGINE FUEL SYSTEM AND METHOD
Publication number
20200284205
Publication date
Sep 10, 2020
Pratt & Whitney Canada Corp.
David WADDLETON
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
ENGINE FUEL SYSTEM FOR USE WITH COMPOSITE AIRCRAFT
Publication number
20200141322
Publication date
May 7, 2020
Pratt & Whitney Canada Corp.
Harris SHAFIQUE
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
SHARED OIL SYSTEM ARRANGEMENT FOR AN ENGINE COMPONENT AND A GENERATOR
Publication number
20200123942
Publication date
Apr 23, 2020
Pratt & Whitney Canada Corp.
David WADDLETON
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
PROPELLOR BLADE ANGLE CONTROL SYSTEM
Publication number
20180072402
Publication date
Mar 15, 2018
Pratt & Whitney Canada Corp.
David Waddleton
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SHARED OIL SYSTEM ARRANGEMENT FOR AN ENGINE COMPONENT AND A GENERATOR
Publication number
20180066552
Publication date
Mar 8, 2018
David WADDLETON
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROPELLER BLADE ANGLE CONTROL SYSTEM
Publication number
20170361919
Publication date
Dec 21, 2017
Pratt & Whitney Canada Corp.
David Waddleton
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
ENGINE FUEL SYSTEM FOR USE WITH COMPOSITE AIRCRAFT
Publication number
20170175639
Publication date
Jun 22, 2017
Pratt & Whitney Canada Corp.
Harris Shafique
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
NITROGEN BUBBLER SYSTEM IN FUEL TANK AND METHOD
Publication number
20140252171
Publication date
Sep 11, 2014
Pratt & Whitney Canada Corp.
Kevin Allan DOOLEY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AIR FILTRATION SYSTEM FOR GAS TURBINE ENGINE PNEUMATIC SYSTEM
Publication number
20100326090
Publication date
Dec 30, 2010
Pratt & Whitney Canada Corp.
David Waddleton
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Pressurized oil supply for propeller engine system
Publication number
20050135929
Publication date
Jun 23, 2005
Pratt & Whitney Canada Corp.
David Waddleton
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...