EAST PENN MANUFACTURING CO.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 9145
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2118
 
  
 
B01D SEPARATION 1133
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1101

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0163,089 Control of Multiple Battery GroupsFeb 22, 17Jun 08, 17[H02J, H02M, H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9184471 Light-weight bipolar valve regulated lead acid batteries and methods thereforMar 04, 11Nov 10, 15[H01M, B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0028,071 Light-Weight Bipolar Valve Regulated Lead Acid Batteries and MethodAbandonedOct 07, 15Jan 28, 16[H01M]
2014/0072,868 Composite Current Collector and Methods ThereforAbandonedNov 13, 13Mar 13, 14[H01M]
2012/0183,847 COMPOSITE CURRENT COLLECTOR AND METHODS THEREFORAbandonedMay 18, 10Jul 19, 12[H01M, B23K]
2011/0305,927 Devices and Methods for Lead Acid BatteriesAbandonedApr 29, 09Dec 15, 11[H01M]
2008/0274,396 Battery VentAbandonedMay 01, 08Nov 06, 08[H01M]
2007/0166,619 Lead acid batteries with plates that contain silverAbandonedJan 17, 06Jul 19, 07[H01M]
2007/0042,263 Single cell module systemAbandonedAug 18, 05Feb 22, 07[H01M, B65D]
2007/0018,612 Standalone bus bar kit systemAbandonedJul 08, 05Jan 25, 07[H02J]
5558952 Pocket separator for electric storage battery platesExpiredDec 15, 95Sep 24, 96[H01M]
4971780 Process for the reclamation of battery acid and fluid from expended lead-acid batteriesExpiredFeb 17, 89Nov 20, 90[C01B, H01M, B01D]
4873157 Recombinant electric storage batteryExpiredJul 05, 88Oct 10, 89[H01M]

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