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Patents Grants
last 30 patents
Information
Patent Grant
Turbine shroud milling
Patent number
10,280,781
Issue date
May 7, 2019
Pratt & Whitney Services Pte Ltd
Kim Wei Cheah
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Replaceable piston ring for die casting machine plunger
Patent number
9,962,761
Issue date
May 8, 2018
Pratt & Whitney Services Pte Ltd
Yuan Kwang Lim
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Segmented die casting block
Patent number
9,713,841
Issue date
Jul 25, 2017
Pratt & Whitney Services Pte Ltd
Wai Tuck Chow
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Polishing assembly and method for polishing using a platform and ba...
Patent number
9,511,469
Issue date
Dec 6, 2016
Pratt & Whitney Services Pte Ltd
Chua Boon Beng
B24 - GRINDING POLISHING
Information
Patent Grant
Compressor stator chord restoration repair method and apparatus
Patent number
9,032,619
Issue date
May 19, 2015
Pratt & Whitney Services Pte Ltd
Nathan D. Korn
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrical discharge assembly and method for repairing diffusion co...
Patent number
8,563,889
Issue date
Oct 22, 2013
Pratt & Whitney Services Pte Ltd
Mohammad Dzulkifi B. Mohyi Hapipi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Fixture for compressor stator chord restoration repair
Patent number
8,490,956
Issue date
Jul 23, 2013
Pratt & Whitney Services Pte Ltd
Nathan D. Korn
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Masking method for edge profile finishing
Patent number
8,308,526
Issue date
Nov 13, 2012
Pratt & Whitney Services Pte Ltd
Navabalachandran Jayabalan
B24 - GRINDING POLISHING
Information
Patent Grant
Airfoil mask, airfoil and mask system
Patent number
8,105,133
Issue date
Jan 31, 2012
Pratt & Whitney Services Pte Ltd
Navabalachandran Jayabalan
B24 - GRINDING POLISHING
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Patents Applications
last 30 patents
Information
Patent Application
SEGMENTED DIE CASTING BLOCK
Publication number
20160039000
Publication date
Feb 11, 2016
PRATT & WHITNEY SERVICES PTE LTD.
Wait Tuck Chow
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
TURBINE SHROUD MILLING
Publication number
20150354388
Publication date
Dec 10, 2015
PRATT & WHITNEY SERVICES PTE LTD.
Kim Wei Cheah
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SHOT SLEEVE ASSEMBLY WITH MATERIALS OF DIFFERENT COEFFICIENTS OF TH...
Publication number
20150165521
Publication date
Jun 18, 2015
PRATT & WHITNEY SERVICES PTE LTD.
Wai Tuck Chow
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PROTECTIVE POLISHING MASK
Publication number
20140003952
Publication date
Jan 2, 2014
PRATT & WHITNEY SERVICES PTE LTD.
Kim Wei Cheah
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
POLISHING ASSEMBLY AND METHOD FOR POLISHING
Publication number
20130323071
Publication date
Dec 5, 2013
PRATT & WHITNEY SERVICES PTE LTD.
Chua Boon Beng
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
ELECTRICAL DISCHARGE ASSEMBLY AND METHOD FOR REPAIRING DIFFUSION CO...
Publication number
20100313405
Publication date
Dec 16, 2010
PRATT & WHITNEY SERVICES PTE LTD.
Mohammad Dzulkifi B. Mohyi Hapipi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
FIXTURE FOR COMPRESSOR STATOR CHORD RESTORATION REPAIR
Publication number
20100044944
Publication date
Feb 25, 2010
PRATT & WHITNEY SERVICES PTE LTD.
Nathan D. Korn
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COMPRESSOR STATOR CHORD RESTORATION REPAIR METHOD AND APPARATUS
Publication number
20090282677
Publication date
Nov 19, 2009
PRATT & WHITNEY SERVICES PTE LTD.
Nathan D. Korn
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR