FRANKLIN ELECTRIC CO., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 557
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 5102
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 582
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS371
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 262
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2118
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 146
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9479070 Power conversion systemFeb 21, 14Oct 25, 16[H02J, H02M, H02P]
9054625 Variable speed drive systemMar 11, 11Jun 09, 15[H02P]
8764386 Bypass system for purging air from a submersible pumpAug 06, 10Jul 01, 14[F04D]
8760089 Variable speed drive systemNov 22, 10Jun 24, 14[H02K, H02P]
8683821 Sediment trap system and methodApr 15, 11Apr 01, 14[F25D]
8664903 Adaptive flux control driveJun 27, 11Mar 04, 14[H02P]
7794199 Bypass system for purging air from a submersible pumpApr 25, 06Sep 14, 10[F04D]
7290984 Multistage pumpMay 26, 05Nov 06, 07[F01D]
7135795 Insert molded end bell for a submersible motor and method of manufacture thereofNov 02, 04Nov 14, 06[H02K]
6840293 Liquid spill collector assemblyNov 06, 03Jan 11, 05[F16K, B65B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0245,291 SELF-PRIMING CENTRIFUGAL PUMPAbandonedFeb 19, 15Aug 25, 16[F04D]
2014/0093,403 PORTABLE PUMPING SYSTEMAbandonedMar 15, 13Apr 03, 14[F04D]
2013/0183,174 SOLENOID PUMPAbandonedSep 07, 11Jul 18, 13[F04B]
2011/0272,043 CONDENSATE REMOVAL SYSTEM AND METHODAbandonedApr 15, 11Nov 10, 11[F16L, B23P, F15D]
2009/0047,119 SUBMERSIBLE MULTISTAGE PUMP WITH IMPELLERS HAVING DIVERGING SHROUDSAbandonedJul 31, 08Feb 19, 09[F04D, F01D]
7443067 Pump-motor assembly lead protector and assembly methodExpiredMay 03, 05Oct 28, 08[H02K]
2008/0061,516 Seal for a Submersible Electric MotorAbandonedNov 15, 07Mar 13, 08[F16J]
2007/0248,469 Shallow-Well Pump with Interchangeable NozzleAbandonedApr 23, 07Oct 25, 07[F04B]
7249546 Die-shaping apparatus and process and product formed therebyExpiredMay 13, 91Jul 31, 07[B21D]
2007/0152,523 Submersible Motor with molded encapsulated statorAbandonedDec 12, 06Jul 05, 07[H02K, F04B]
7215051 Single-phase motor particularly for submersed pumpsExpiredApr 06, 01May 08, 07[H02K]
2007/0075,500 Seal for a submersible electric motorAbandonedOct 04, 05Apr 05, 07[F16J]
7003998 Apparatus for forming a flange at the end of a conduitExpiredJan 14, 04Feb 28, 06[B21D]
6155094 Pressing tool for forming winding end turns in a statorExpiredOct 01, 98Dec 05, 00[B21D]
5992680 Slidable sealing lid apparatus for subsurface storage containersExpiredJan 29, 97Nov 30, 99[B65D]
5868175 Apparatus for recovery of fuel vaporExpiredJun 28, 96Feb 09, 99[B67D]
5614812 Power supply with power factor correctionExpiredJun 11, 96Mar 25, 97[G05F]
5528126 Power supply with power factor correctionWithdrawnMar 16, 95Jun 18, 96[H02M, G05F]
RE33874 Electric motor load sensing systemExpiredOct 10, 89Apr 07, 92[H02H]
5085257 Sump cover containment assemblyExpiredApr 17, 90Feb 04, 92[B67P, B65B]

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