Inventor
PAPPLE MICHAEL
CA32 patents
⚠️ This page may combine multiple inventors who share the name “PAPPLE MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRATT & WHITNEY CANADA
31 patentsUS6406260B1Jun 18, 2002
Heat transfer promotion structure for internally convectively cooled airfoils
PRATT & WHITNEY CANADA69 citations96
US6257831B1Jul 10, 2001
Cast airfoil structure with openings which do not require plugging
PRATT & WHITNEY CANADA71 citations96
US6508620B2Jan 21, 2003
Inner platform impingement cooling by supply air from outside
PRATT & WHITNEY CANADA90 citations95
US7520726B2Apr 21, 2009
HP turbine blade airfoil profile
PRATT & WHITNEY CANADA40 citations92
US7300250B2Nov 27, 2007
Cooled airfoil trailing edge tip exit
PRATT & WHITNEY CANADA31 citations92
US5711650AJan 27, 1998
Gas turbine airfoil cooling
PRATT & WHITNEY CANADA54 citations92
US10267521B2Apr 23, 2019
Combustor heat shield
PRATT & WHITNEY CANADA13 citations84
US9982890B2May 29, 2018
Combustor dome heat shield
PRATT & WHITNEY CANADA8 citations84
US9746184B2Aug 29, 2017
Combustor dome heat shield
PRATT & WHITNEY CANADA10 citations84
US9625152B2Apr 18, 2017
Combustor heat shield for a gas turbine engine
PRATT & WHITNEY CANADA12 citations84
US9557060B2Jan 31, 2017
Combustor heat shield
PRATT & WHITNEY CANADA8 citations84
US9376921B2Jun 28, 2016
Internally cooled gas turbine engine airfoil
PRATT & WHITNEY CANADA7 citations84
US9581029B2Feb 28, 2017
High pressure turbine blade cooling hole distribution
PRATT & WHITNEY CANADA8 citations83
US11015455B2May 25, 2021
Internally cooled turbine blade with creep reducing divider wall
PRATT & WHITNEY CANADA2 citations73
US9933161B1Apr 3, 2018
Combustor dome heat shield
PRATT & WHITNEY CANADA5 citations73
US9810071B2Nov 7, 2017
Internally cooled airfoil
PRATT & WHITNEY CANADA4 citations73
US9638046B2May 2, 2017
Airfoil with variable land width at trailing edge
PRATT & WHITNEY CANADA3 citations73
US9534786B2Jan 3, 2017
Combustor heat shield
PRATT & WHITNEY CANADA4 citations73
US9500093B2Nov 22, 2016
Internally cooled airfoil
PRATT & WHITNEY CANADA4 citations73
US10386072B2Aug 20, 2019
Internally cooled dilution hole bosses for gas turbine engine combustors
PRATT & WHITNEY CANADA2 citations72
US10247034B2Apr 2, 2019
Turbine vane rear insert scheme
PRATT & WHITNEY CANADA2 citations72
US10041675B2Aug 7, 2018
Multiple ventilated rails for sealing of combustor heat shields
PRATT & WHITNEY CANADA5 citations72
US11572790B1Feb 7, 2023
Turbine blade airfoil profile
PRATT & WHITNEY CANADA2 citations70
US10989409B2Apr 27, 2021
Combustor heat shield
PRATT & WHITNEY CANADA0 citations62
US8007237B2Aug 30, 2011
Cooled airfoil component
PRATT & WHITNEY CANADA5 citations62
US11085644B2Aug 10, 2021
Internally cooled dilution hole bosses for gas turbine engine combustors
PRATT & WHITNEY CANADA0 citations61
US11572789B1Feb 7, 2023
Turbine blade airfoil profile
PRATT & WHITNEY CANADA0 citations59
US10822987B1Nov 3, 2020
Turbine stator outer shroud cooling fins
PRATT & WHITNEY CANADA1 citations58
US10221695B2Mar 5, 2019
Internally cooled gas turbine engine airfoil
PRATT & WHITNEY CANADA0 citations52
US10174626B2Jan 8, 2019
Partially coated blade
PRATT & WHITNEY CANADA0 citations41
US10260751B2Apr 16, 2019
Single skin combustor with heat transfer enhancement
PRATT & WHITNEY CANADA0 citations40