WOODWARD HRT, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02K JET-PROPULSION PLANTS 632
 
  
 
F42B EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION 534
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 5102
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 441
 
  
 
F16H GEARING397
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING370
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS297
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
F15C FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES 111
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0258,386 ENGINE AND THRUST REVERSER ACTUATION SYSTEMMar 10, 16Sep 08, 16[F02K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909531 Engine and thrust reverser actuation systemMar 10, 16Mar 06, 18[F02K]
9790892 Engine thrust reverser lockJun 12, 15Oct 17, 17[F02K, B64D]
9356486 Position sensing techniquesAug 30, 13May 31, 16[H02K, G01B, G01D]
9309835 Engine and thrust reverser actuation systemNov 16, 12Apr 12, 16[F02K]
9109536 Engine thrust reverser lockMar 14, 13Aug 18, 15[F02K]
8932176 Linear actuator and method of operation thereofFeb 06, 14Jan 13, 15[F02K, F15B]
8925586 Direct drive servovalve having redundant drive motorsJul 14, 10Jan 06, 15[F16K]
8901871 Robust controller for electro-mechanical actuators employing sliding and second control modesOct 26, 12Dec 02, 14[G05B]
8844389 Automatically locking linear actuatorDec 14, 11Sep 30, 14[F16H]
8713911 System and method for operating a thrust reverser for a turbofan propulsion systemDec 15, 10May 06, 14[F02K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8624172 Shift lock assemblyExpiredOct 13, 10Jan 07, 14[F42B]
8324544 Multi-stage fin deployment assemblyExpiredJun 02, 10Dec 04, 12[F42B]
8058826 Motor controller with hall sensor output misalignment compensation using delayed or shifted commutationExpiredJun 30, 08Nov 15, 11[H02P]
7882852 Direct drive servovalve device with redundant position sensing and methods for making the sameExpiredMay 04, 04Feb 08, 11[F16K]
2009/0277,519 METHOD AND APPARATUS FOR CONTROLLING FLUID FLOW RATE CHARACTERISTICS OF A VALVE ASSEMBLYAbandonedMay 06, 08Nov 12, 09[F16K, G06F]
2009/0260,461 ACTUATOR WITH ZERO POINT INITIALIZATIONAbandonedApr 16, 08Oct 22, 09[G06F, F16H]
2007/0220,998 ActuatorsAbandonedMar 05, 07Sep 27, 07[F16H]
7032883 Hybrid butterfly fluid control valveExpiredApr 07, 04Apr 25, 06[F16K]

Top Inventors for This Owner

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