WOODWARD GOVERNOR COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 2855
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 1459
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING1459
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 1346
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 1128
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 666
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR661
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 5442
 
  
 
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
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8274348 Single coil solenoid having a permanent magnet with bi-directional assistJul 20, 07Sep 25, 12[H01F]
7930089 Controller for a solenoid operated valveJun 26, 08Apr 19, 11[F02M, G06F, F02D, H01H]
7878169 Cam roller pin with transverse groovesJun 06, 06Feb 01, 11[F01L]
7856959 Method and apparatus for controlling exhaust gas recirculation and start of combustion in reciprocating compression ignition engines with an ignition system with ionization measurementMar 18, 10Dec 28, 10[F02D]
7832377 Thermal protection for fuel injectorsSep 19, 08Nov 16, 10[F02M]
7827795 Active thermal protection for fuel injectorsSep 19, 08Nov 09, 10[F02C]
7823562 Engine fuel control systemMay 16, 08Nov 02, 10[F02M, F02B]
7812467 Smart alternator load controlJul 09, 07Oct 12, 10[H02P, F02D]
7798124 Method and system for closed loop combustion control of a lean-burn reciprocating engine using ionization detectionSep 28, 07Sep 21, 10[F02P]
7798125 Method and system for closed loop combustion control of a lean-burn reciprocating engine using ionization detectionNov 25, 08Sep 21, 10[F02P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0028,420 Moving Magnet Actuator with Counter-Cogging End-Ring and Asymmetrical Armature StrokeAbandonedSep 30, 13Jan 30, 14[H01F]
2012/0319,410 SYSTEM AND METHOD FOR THERMAL ENERGY STORAGE AND POWER GENERATIONAbandonedJun 17, 11Dec 20, 12[H02K]
2008/0202,590 High Efficiency Valve Geometry For Pressure RegulatorAbandonedFeb 24, 07Aug 28, 08[F16K]
2007/0210,653 MOVING MAGNET ACTUATOR WITH COUNTER-COGGING END-RING AND ASYMMETRICAL ARMATURE STROKEAbandonedDec 07, 06Sep 13, 07[H02K, H01F]
2007/0120,084 Fully independent, redundant fluid energized sealing solution with secondary containmentAbandonedNov 29, 05May 31, 07[F16K]
2006/0163,065 Ion sensors formed with coatingsAbandonedJan 26, 05Jul 27, 06[G01N]
6810863 Gaseous fuel and air mixer assembly for internal combustion engineExpiredOct 31, 03Nov 02, 04[F02B]
6611186 Solenoid having an elastomeric retaining device and method of manufacturing same without pottingExpiredFeb 26, 01Aug 26, 03[H01F]
2002/0118,497 Reverse voltage protection for motor driveAbandonedFeb 13, 02Aug 29, 02[H02H]
2002/0109,118 Web supported hollow sphere valveAbandonedFeb 15, 01Aug 15, 02[F16K]
6116215 Integrated throttle valve and actuatorExpiredJul 16, 98Sep 12, 00[F02D]
6074167 Variable geometry centrifugal pumpExpiredFeb 05, 99Jun 13, 00[F01D]
6051897 Solenoid actuator with positional feedbackExpiredMay 05, 99Apr 18, 00[H02K]
5713336 Method and apparatus for providing multipoint gaseous fuel injection to an internal combustion engineExpiredJan 24, 95Feb 03, 98[F02M]
5527210 Dynamic steady restExpiredMay 18, 94Jun 18, 96[B24B]
5436538 Locomotive wheel slip controllerExpiredJul 05, 94Jul 25, 95[B61C]
5373726 Detonation detection system for internal combustion enginesExpiredMar 19, 92Dec 20, 94[G01L]
5222022 Method and apparatus for iterated determinations of sensed speed and speed governingExpiredDec 06, 90Jun 22, 93[G06F, F02D]
5156177 Flow loading unloader valveExpiredOct 24, 90Oct 20, 92[F04B]
5118259 System for controlling oil viscosityExpiredOct 24, 90Jun 02, 92[F04B]

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