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William Arthur Welsh
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New Haven, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vibration control assembly
Patent number
11,794,883
Issue date
Oct 24, 2023
Lockheed Martin Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Cooling system for rotor hub mounted component
Patent number
11,725,882
Issue date
Aug 15, 2023
Lockheed Martin Corporation
William A. Welsh
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Transmitting power and data together in a rotorcraft using a slip r...
Patent number
11,417,995
Issue date
Aug 16, 2022
Sikorsky Aircraft Corporation
Aaron Kellner
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Vibration control assembly for an aircraft and method of controllin...
Patent number
11,235,868
Issue date
Feb 1, 2022
Sikorsky Aircraft Corporation
William A. Welsh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cooling system for heat generating components in a fairing
Patent number
11,181,324
Issue date
Nov 23, 2021
Sikorsky Aircraft Corporation
Charles R. Berezin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Case mounted transmission AVC force generators
Patent number
10,994,834
Issue date
May 4, 2021
Sikorsky Aircraft Corporation
Stephen Johnston
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Vibration control assembly for an aircraft and method of controllin...
Patent number
10,906,636
Issue date
Feb 2, 2021
Sikorsky Aircraft Corporation
William A. Welsh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Anti-vibration load generating aircraft actuation system
Patent number
10,745,116
Issue date
Aug 18, 2020
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Higher harmonic control augmented with active vibration control
Patent number
10,543,912
Issue date
Jan 28, 2020
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Anti-vibration moment generating aircraft actuation system
Patent number
10,538,314
Issue date
Jan 21, 2020
Sikorsky Aircraft Corporation
David H. Hunter
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Dual mode supplemental strut and damper
Patent number
10,479,515
Issue date
Nov 19, 2019
Sikorsky Aircraft Corporation
Scott A. Chasen
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Active vibration control of a rotorcraft
Patent number
10,443,675
Issue date
Oct 15, 2019
Sikorsky Aircraft Corporation
William A. Welsh
G05 - CONTROLLING REGULATING
Information
Patent Grant
Cooling system for rotor blade actuators
Patent number
10,371,455
Issue date
Aug 6, 2019
Sikorsky Aircraft Corporation
Charles R. Berezin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Vibration control of a swashplateless coaxial rotor
Patent number
10,351,233
Issue date
Jul 16, 2019
Sikorsky Aircraft Corporation
Bryan D. Mayrides
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Rotor balancing apparatus
Patent number
9,988,146
Issue date
Jun 5, 2018
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Slip ring having a liquid metal contact between a stationary elemen...
Patent number
9,871,334
Issue date
Jan 16, 2018
Sikorsky Aircraft Corporation
Patrick J. Dempsey
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Integration of rotary electrical actuator for swashplateless indivi...
Patent number
9,452,831
Issue date
Sep 27, 2016
Sikorsky Aircraft Corporation
Bryan D. Mayrides
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Noise suppression device, system, and method
Patent number
9,190,071
Issue date
Nov 17, 2015
Sikorsky Aircraft Corporation
Donald J. Butts
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active force generation system for minimizing vibration in a rotati...
Patent number
9,046,148
Issue date
Jun 2, 2015
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Method and system for detecting pushrod faults
Patent number
8,983,712
Issue date
Mar 17, 2015
Sikorsky Aircraft Corporation
Joshua D. Isom
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Dual frequency hub mounted vibration suppressor system
Patent number
8,920,125
Issue date
Dec 30, 2014
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Active force generation system for minimizing vibration in a rotati...
Patent number
8,454,315
Issue date
Jun 4, 2013
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Dual frequency hub mounted vibration suppressor system
Patent number
8,403,643
Issue date
Mar 26, 2013
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Active force generation/isolation system employing Magneto Rheologi...
Patent number
8,042,659
Issue date
Oct 25, 2011
Sikorsky Aircraft Corporation
William Arthur Welsh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
System and method of damping a 1P motion
Patent number
8,038,394
Issue date
Oct 18, 2011
Sikorsky Aircraft Corporation
Brandon L. Stille
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Active force generation system for minimizing vibration in a rotati...
Patent number
8,021,115
Issue date
Sep 20, 2011
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Dual higher harmonic control (HHC) for a counter-rotating, coaxial...
Patent number
7,648,338
Issue date
Jan 19, 2010
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
System for computationally efficient active control of tonal sound...
Patent number
7,224,807
Issue date
May 29, 2007
Sikorsky Aircraft Corporation
William Arthur Welsh
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Gearbox mounted force generator
Patent number
7,118,328
Issue date
Oct 10, 2006
Sikorsky Aircraft Corporation
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
System for computationally efficient adaptation of active control o...
Patent number
7,003,380
Issue date
Feb 21, 2006
Sikorsky Aircraft Corporation
Douglas G. MacMartin
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
Information
Patent Application
VIBRATION CONTROL ASSEMBLY
Publication number
20240059405
Publication date
Feb 22, 2024
Lockheed Martin Corporation
William A. Welsh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
COOLING SYSTEM FOR ROTOR HUB MOUNTED COMPONENT
Publication number
20210389054
Publication date
Dec 16, 2021
Lockheed Martin Corporation
William A. Welsh
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
VIBRATION CONTROL ASSEMBLY
Publication number
20210323658
Publication date
Oct 21, 2021
Lockheed Martin Corporation
William A. Welsh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VIBRATION CONTROL ASSEMBLY FOR AN AIRCRAFT AND METHOD OF CONTROLLIN...
Publication number
20210316846
Publication date
Oct 14, 2021
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
VIBRATORY WEIGHT-ON-WHEELS SENSING
Publication number
20200087002
Publication date
Mar 19, 2020
SIKORSKY AIRCRAFT CORPORATION
Bradley M. Bauer
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
HEAT DISSIPATION SYSTEM FOR ROTOR MOUNTED ELECTRONICS
Publication number
20200031459
Publication date
Jan 30, 2020
SIKORSKY AIRCRAFT CORPORATION
Christopher M. Sutton
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
TRANSMITTING POWER AND DATA TOGETHER IN A ROTORCRAFT USING A SLIP R...
Publication number
20190372288
Publication date
Dec 5, 2019
SIKORSKY AIRCRAFT CORPORATION
Aaron Kellner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTIPLE DEGREE OF FREEDOM VIBRATION SUPRESSION SYSTEM FOR CONTROLL...
Publication number
20190344881
Publication date
Nov 14, 2019
SIKORSKY AIRCRAFT CORPORATION
Michael Robert Monico
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
COOLING SYSTEM FOR HEAT GENERATING COMPONENTS IN A FAIRING
Publication number
20190310025
Publication date
Oct 10, 2019
SIKORSKY AIRCRAFT CORPORATION
Charles R. Berezin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
CASE MOUNTED TRANSMISSION AVC FORCE GENERATORS
Publication number
20190256199
Publication date
Aug 22, 2019
SIKORSKY AIRCRAFT CORPORATION
Stephen Johnston
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HIGHER HARMONIC CONTROL AUGMENTED WITH ACTIVE VIBRATION CONTROL
Publication number
20190023382
Publication date
Jan 24, 2019
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
COOLING SYSTEM FOR ROTOR BLADE ACTUATORS
Publication number
20190017750
Publication date
Jan 17, 2019
SIKORSKY AIRCRAFT CORPORATION
Charles R. Berezin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
ROTOR DAMPERS
Publication number
20180111681
Publication date
Apr 26, 2018
SIKORSKY AIRCRAFT CORPORATION
Joseph J. Andrews
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
DUAL MODE SUPPLEMENTAL STRUT AND DAMPER
Publication number
20180044027
Publication date
Feb 15, 2018
SIKORSKY AIRCRAFT CORPORATION
Scott A. Chasen
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
VIBRATION CONTROL ASSEMBLY FOR AN AIRCRAFT AND METHOD OF CONTROLLIN...
Publication number
20170334553
Publication date
Nov 23, 2017
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ANTI-VIBRATION MOMENT GENERATING AIRCRAFT ACTUATION SYSTEM
Publication number
20170297686
Publication date
Oct 19, 2017
SIKORSKY AIRCRAFT CORPORATION
David H. HUNTER
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ROTOR SYSTEM SLIP RING ASSEMBLIES
Publication number
20170244209
Publication date
Aug 24, 2017
SIKORSKY AIRCRAFT CORPORATION
Patrick J. Dempsey
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ANTI-VIBRATION LOAD GENERATING AIRCRAFT ACTUATION SYSTEM
Publication number
20170225774
Publication date
Aug 10, 2017
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ACTIVE VIBRATION CONTROL OF A ROTORCRAFT
Publication number
20170217575
Publication date
Aug 3, 2017
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ROTOR BALANCING APPARATUS
Publication number
20150132132
Publication date
May 14, 2015
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
ROTOR BALANCING APPARATUS
Publication number
20150132131
Publication date
May 14, 2015
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
INTEGRATION OF ROTARY ELECTRICAL ACTUATOR FOR SWASHPLATELESS INDIVI...
Publication number
20140314573
Publication date
Oct 23, 2014
SIKORSKY AIRCRAFT CORPORATION
Bryan D. Mayrides
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
VIBRATION CONTROL OF A SWASHPLATELESS COAXIAL ROTOR
Publication number
20140314563
Publication date
Oct 23, 2014
SIKORSKY AIRCRAFT CORPORATION
Bryan D. Mayrides
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
NOISE SUPPRESSION DEVICE, SYSTEM, AND METHOD
Publication number
20140079234
Publication date
Mar 20, 2014
SIKORSKY AIRCRAFT CORPORATION
Donald J. Butts
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Method And System For Detecting Pushrod Faults
Publication number
20130274989
Publication date
Oct 17, 2013
Joshua D. Isom
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
DUAL FREQUENCY HUB MOUNTED VIBRATION SUPPRESSOR SYSTEM
Publication number
20130164132
Publication date
Jun 27, 2013
SIKORSKY AIRCRAFT CORPORATION
William A. Welsh
G01 - MEASURING TESTING
Information
Patent Application
ACTIVE FORCE GENERATION/ISOLATION SYSTEM EMPLOYING MAGNETO RHEOLOGI...
Publication number
20110255967
Publication date
Oct 20, 2011
William Arthur Welsh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
ACTIVE FORCE GENERATION SYSTEM FOR MINIMIZING VIBRATION IN A ROTATI...
Publication number
20110217171
Publication date
Sep 8, 2011
William A. Welsh
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
DUAL HIGHER HARMONIC CONTROL (HHC) FOR A COUNTER-ROTATING, COAXIAL...
Publication number
20100003133
Publication date
Jan 7, 2010
Sikorsky Aircraft Corporation
William A. Welsh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
DUAL FREQUENCY HUB MOUNTED VIBRATION SUPPRESSOR SYSTEM
Publication number
20090236468
Publication date
Sep 24, 2009
William A. Welsh
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES