SCHWEITZER ENGINEERING LABORATORIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 11312
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 10670
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 50397
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 42243
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 2173
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 20100
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1784
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1198
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 1189
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 1183

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0062,552 ELECTRIC MOTOR PROTECTION USING STATOR CURRENT AND VOLTAGE MEASUREMENTSNov 02, 17Mar 01, 18[H02P]
2018/0062,749 LOW-POWER FIBER OPTIC TRANSCEIVERAug 22, 17Mar 01, 18[H04B, H04J]
2018/0034,317 Microgrid Power Flow Monitoring and ControlJul 07, 17Feb 01, 18[H02J, G05B]
2017/0328,945 High-Impedance Fault Detection Using Coordinated DevicesMay 09, 17Nov 16, 17[G01R, H02H]
2017/0289,117 COMMUNICATION DEVICE FOR IMPLEMENTING TRUSTED RELATIONSHIPS IN A SOFTWARE DEFINED NETWORKMar 30, 16Oct 05, 17[H04L, H04W]
2017/0271,872 Decentralized Generator ControlMar 16, 16Sep 21, 17[H02J, G05B]
2017/0160,301 SPEED AND ANGLE MONITOR FOR ROTATING MACHINERYDec 08, 15Jun 08, 17[G01P]
2017/0146,613 Fault Detection in Electric Power Delivery Systems Using Underreach, Directional, and Traveling Wave ElementsFeb 02, 17May 25, 17[G05B, G01R]
2017/0108,542 DETERMINING STATUS OF ELECTRIC POWER TRANSMISSION LINES IN AN ELECTRIC POWER TRANSMISSION SYSTEMDec 29, 16Apr 20, 17[G01R]
2017/0111,904 DETERMINISTIC TRANSMISSION OF COMMUNICATION PACKETS OF MULTIPLE PROTOCOLS ON A NETWORKOct 14, 16Apr 20, 17[H04L, H04W]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9922476 Local access control system management using domain information updatesAug 11, 15Mar 20, 18[G07C]
9923779 Configuration of a software defined networkJul 20, 15Mar 20, 18[H04L]
9917545 Electric motor thermal protection using stator current measurementsMar 02, 16Mar 13, 18[H02P, G06F, G01R, H02H]
9912158 Decentralized generator controlMar 16, 16Mar 06, 18[H02J, G05B]
D812249 Control enclosureJun 29, 16Mar 06, 18[2503]
9906041 Decentralized generator controlMar 16, 16Feb 27, 18[H02J, G05B]
9898062 Systems and methods for protection of components in electrical power delivery systemsJul 28, 14Feb 20, 18[G06F, H02H]
9900206 Communication device with persistent configuration and verificationJul 20, 15Feb 20, 18[H04L]
9864008 Electric power system circuit breaker trip diagnosticMay 02, 14Jan 09, 18[G01R]
9866483 Routing of traffic in network through automatically generated and physically distinct communication pathsJul 20, 15Jan 09, 18[H04L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0046,890 PHYSICAL ACCESS MANAGEMENT USING A DOMAIN CONTROLLERAbandonedAug 11, 15Feb 16, 17[G07C]
2016/0014,103 PHYSICAL ACCESS CONTROL AUTHENTICATIONAbandonedJul 10, 14Jan 14, 16[H04L, G07C]
2015/0081,236 TRAVELING WAVE VALIDATION USING ESTIMATED FAULT LOCATIONAbandonedSep 15, 14Mar 19, 15[G01R]
2015/0035,681 Point-to-Multipoint Polling in a Monitoring System for an Electric Power Distribution SystemAbandonedAug 01, 13Feb 05, 15[G01D]
2015/0005,970 Distributed Control in Electric Power Delivery SystemsAbandonedJun 13, 14Jan 01, 15[H02J]
2014/0371,929 Source Impedance EstimationAbandonedJun 17, 13Dec 18, 14[G05B]
2014/0280,672 Systems and Methods for Managing Communication Between Devices in an Electrical Power SystemAbandonedMar 15, 13Sep 18, 14[H04L]
2014/0280,713 Proxy Communication Between Devices in an Electrical Power SystemAbandonedMar 15, 13Sep 18, 14[H04L]
2014/0280,714 Mixed-Mode Communication Between Devices in an Electrical Power SystemAbandonedMar 15, 13Sep 18, 14[H04L]
2014/0282,021 Visualization of Communication Between Devices in an Electric Power SystemAbandonedMar 15, 13Sep 18, 14[H04L]
2013/0234,731 SYSTEMS AND METHODS FOR DETERMINING TRAPPED TRANSMISSION LINE CHARGEAbandonedMar 09, 12Sep 12, 13[G01R]
2013/0000,871 Systems and Methods for Extending Operating Temperatures of Electronic ComponentsAbandonedJun 30, 11Jan 03, 13[F28D, G06F, G05D]
2011/0179,722 PANELIZED LIGHTWEIGHT CONTROL ENCLOSUREAbandonedJan 24, 11Jul 28, 11[E04C, E04H]
2010/0254,225 FAULT TOLERANT TIME SYNCHRONIZATIONAbandonedApr 02, 10Oct 07, 10[G04C]
2010/0201,230 ELECTRIC POWER SYSTEM CONTROL SYSTEM WITH SELECTIVE ENCLOSUREAbandonedFeb 01, 10Aug 12, 10[A47B, F16M, H05K]
2010/0141,463 PROVIDING PRICE AND SERVICE INFORMATION TO ELECTRIC POWER CUSTOMERSAbandonedDec 10, 08Jun 10, 10[G08B, G06F]
2009/0296,583 Systems, Methods, and Apparatus for Recording Network Events Associated with a Power Generation or Delivery SystemAbandonedMay 29, 08Dec 03, 09[H04L]
2009/0088,990 SYNCHRONIZED PHASOR PROCESSOR FOR A POWER SYSTEMAbandonedSep 26, 08Apr 02, 09[G01R]
7474192 Precision Rogowski coil and method for manufacturing sameExpiredJun 04, 07Jan 06, 09[H01F]
2008/0153,361 SCREW-TERMINAL BLOCK ASSEMBLY WITH SNAP-IN CONTACT MEMBERAbandonedDec 20, 06Jun 26, 08[H01R]

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