UNITED TECHNOLOGIES CORPORATION

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Technologies

Intl Class Technology # of Patents Rank
 
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 612 2
 
 
F02K JET-PROPULSION PLANTS 271 1
 
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 270 2
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 126 28
 
 
B64C AEROPLANES; HELICOPTERS 109 6
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 99 2
 
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS 85 2
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 73 11
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 72 229
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 71 12
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Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,426,297 Multiplexed Bragg grating sensors Sep 27, 93 Jun 20, 95 [G01J, G01K] 117
5,401,956 Diagnostic system for fiber grating sensors Sep 29, 93 Mar 28, 95 [H01J] 93
6,158,963 Coated article and method for inhibiting frictional wear between mating titanium alloy substrates in a gas turbine engine Nov 01, 99 Dec 12, 00 [F01D] 90
5,388,173 Method and apparatus for forming aperiodic gratings in optical fibers Dec 20, 93 Feb 07, 95 [G02B] 88
5,317,576 Continously tunable single-mode rare-earth doped pumped laser arrangement Feb 01, 93 May 31, 94 [H01S] 86
5,513,913 Active multipoint fiber laser sensor May 28, 93 May 07, 96 [G01B, G01K, G01L] 84
5,469,520 Compression-tuned fiber grating Sep 30, 94 Nov 21, 95 [G02B] 82
5,446,809 All fiber wavelength selective optical switch Sep 23, 94 Aug 29, 95 [G02B] 78
5,931,638 Turbomachinery airfoil with optimized heat transfer Aug 07, 97 Aug 03, 99 [F01D] 76
5,564,832 Birefringent active fiber laser sensor Jun 07, 95 Oct 15, 96 [G01B, G01K, G01L] 76
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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0104,521 GAS TURBINE ENGINE WITH TWO-SPOOL FAN AND VARIABLE VANE TURBINE Nov 01, 11 May 02, 13 [F02K]
2013/0104,522 GAS TURBINE ENGINE WITH VARIABLE PITCH FIRST STAGE FAN SECTION Nov 01, 11 May 02, 13 [F02K]
2013/0104,523 GAS TURBINE ENGINE WITH AUXILIARY FAN Oct 28, 11 May 02, 13 [F02K]
2013/0104,524 TURBOFAN WITH GEAR-DRIVEN COMPRESSOR AND FAN-DRIVEN CORE Nov 02, 11 May 02, 13 [F02C, F02K]
2013/0104,557 GAS TURBINE ENGINE COOLING VALVE Oct 28, 11 May 02, 13 [F28F, F02C]
2013/0104,559 GAS TURBINE ENGINE THERMAL MANAGEMENT SYSTEM Oct 31, 11 May 02, 13 [F01P, F02C]
2013/0104,560 GAS TURBINE ENGINE WITH INTERCOOLING TURBINE SECTION Nov 01, 11 May 02, 13 [F02C]
2013/0105,652 BLIND RETENTION MOUNT Oct 31, 11 May 02, 13 [F16M, B23P]
2013/0108,413 SECONDARY FLOW ARRANGEMENT FOR SLOTTED ROTOR Apr 30, 12 May 02, 13 [F01D]
2013/0108,416 GAS TURBINE ENGINE COMPONENT HAVING WAVY COOLING CHANNELS WITH PEDESTALS Oct 28, 11 May 02, 13 [F01D]
2013/0108,425 ROTATING VANE SEAL WITH COOLING AIR PASSAGES Oct 28, 11 May 02, 13 [F16J, F01D]
2013/0108,430 FEATHER SEAL SLOT Oct 28, 11 May 02, 13 [B23P, F01D]
2013/0108,433 NON AXIS-SYMMETRIC STATOR VANE ENDWALL CONTOUR Nov 01, 11 May 02, 13 [F01D]
2013/0108,445 SPOKED ROTOR FOR A GAS TURBINE ENGINE Oct 28, 11 May 02, 13 [F01D]
2013/0108,466 ASYMETRICALLY SLOTTED ROTOR FOR A GAS TURBINE ENGINE Oct 28, 11 May 02, 13 [B21D, F01D]
2013/0108,468 SPOKED SPACER FOR A GAS TURBINE ENGINE Oct 28, 11 May 02, 13 [F01D]
2013/0108,470 ROTOR BLADE WITH BONDED COVER Nov 01, 11 May 02, 13 [F01D]
2013/0097,992 INTEGRATED THERMAL MANAGEMENT SYSTEM AND ENVIRONMENTAL CONTROL SYSTEM FOR A GAS TURBINE ENGINE Oct 21, 11 Apr 25, 13 [F02C]
2013/0098,046 INTEGRATED THERMAL SYSTEM FOR A GAS TURBINE ENGINE Oct 21, 11 Apr 25, 13 [F02C, F23R]
2013/0098,047 COMPARTMENT COOLING FOR A GAS TURBINE ENGINE Oct 21, 11 Apr 25, 13 [F02C]
2013/0098,050 GAS TURBINE ENGINE WITH INTERCOOLING TURBINE SECTION Nov 01, 11 Apr 25, 13 [F02C]
2013/0098,055 GAS TURBINE ENGINE WITH INTERCOOLING TURBINE SECTION AND INTERCOOLING TURBINE SECTION BYPASS Dec 13, 11 Apr 25, 13 [F02C]
2013/0098,057 CONTROLLABLE SPEED WINDMILL OPERATION OF A GAS TURBINE ENGINE THROUGH LOW SPOOL POWER EXTRACTION Oct 21, 11 Apr 25, 13 [F02C, F01D]
2013/0098,058 SPLIT ACCESSORY DRIVE SYSTEM Oct 19, 11 Apr 25, 13 [F02C]
2013/0098,059 WINDMILL OPERATION OF A GAS TURBINE ENGINE Oct 21, 11 Apr 25, 13 [F02C]
2013/0098,060 GAS TURBINE ENGINE ONBOARD STARTER/GENERATOR SYSTEM TO ABSORB EXCESS POWER Oct 21, 11 Apr 25, 13 [F02C]
2013/0098,067 CONSTANT SPEED TRANSMISSION FOR GAS TURBINE ENGINE Oct 21, 11 Apr 25, 13 [F02C]
2013/0098,879 Method and Apparatus for Microplasma Spray Coating a Portion of a Turbine Vane in a Gas Turbine Engine Dec 08, 12 Apr 25, 13 [B23K]
2013/0099,453 VARIABLE WIDTH GAP SEAL Oct 24, 11 Apr 25, 13 [F16J]
2013/0101,395 TURBINE BLADE RAIL DAMPER Oct 24, 11 Apr 25, 13 [F01D]
2013/0101,737 Non-Stick Masking Fixtures and Methods of Preparing Same Dec 10, 12 Apr 25, 13 [B24B, B05D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,434,309 Translating core cowl having aerodynamic flap sections Oct 12, 06 May 07, 13 [F02K]
8,434,997 Gas turbine engine case for clearance control Aug 22, 07 May 07, 13 [F03B]
8,435,008 Turbine blade including mistake proof feature Oct 17, 08 May 07, 13 [B63H, F03D, F04D, F03B, B64C, F01D]
8,437,628 Method and apparatus of heat treating an integrally bladed rotor Jan 30, 12 May 07, 13 [B21D, F27D, F27B]
8,429,894 Nano-grained aluminum alloy bellows Sep 22, 08 Apr 30, 13 [F02K]
8,424,279 Particle separator and debris control system Mar 28, 07 Apr 23, 13 [F01D, F02G]
8,424,313 Gas turbine engine mid turbine frame with flow turning features Feb 09, 12 Apr 23, 13 [F02D]
8,424,646 Interruption tolerant lubrication system Jul 10, 06 Apr 23, 13 [F16N]
8,425,191 Propfan assembly May 30, 08 Apr 23, 13 [B64C]
8,425,979 Maskant free diffusion coating process Jul 25, 11 Apr 23, 13 [B05D]

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Top Inventors for This Owner

Inventor Name Address Patent #
Suciu Gabriel L
Glastonburg
177
Norris James W
Lebanon, US
91
Schlichting Kevin W
Storrs, US
82
Freling Melvin
West Hartford, US
75
Merry Brian D
Andover, US
75
Maloney Michael J
Port St. Lucie
67
Merry Brian
Andover, US
65
Schwarz Frederick M
Glastonbury, US
65
Dye Christopher M
South Windsor, US
64
Strock Christopher W
Kennebunk, US
59
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