PHILADELPHIA SCIENTIFIC LLC

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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 8146
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 5115
 
  
 
B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD 221
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 257
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 292
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
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
 
  
 
F17D PIPE-LINE SYSTEMS; PIPE-LINES 113

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9739404 Battery water replenishment system and method of installationApr 23, 14Aug 22, 17[F16L, H01M]
9440550 Battery use optimization utilizing a reserve fleetSep 24, 12Sep 13, 16[H02J, G06Q, B60L]
9353879 Battery watering valve assembly with flash arresterJan 19, 05May 31, 16[F16K, H01M, F17D]
9147914 System and method for monitoring electrolyte levels in a batteryNov 19, 12Sep 29, 15[H02J, H01M, B66F, G01F]
8928326 System and method for monitoring electrolyte levels in a batteryJan 24, 14Jan 06, 15[H02J, H01M, B66F, G01F]
8482258 Device and method for monitoring life history and controlling maintenance of industrial batteriesMar 06, 06Jul 09, 13[H02J]
8330467 System and method for monitoring electrolyte levels in a batterySep 07, 10Dec 11, 12[H02J, G08B, G01N]
7812613 System and method for monitoring electrolyte levels in a batteryJun 14, 04Oct 12, 10[G08B, H01M, G01N]
7392820 Liquid shut-off valveJan 19, 05Jul 01, 08[H01M]
7326489 Catalyst design for VRLA batteriesJan 06, 03Feb 05, 08[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0266,230 Battery Electrolyte Level MonitorAbandonedMar 17, 14Sep 18, 14[G01R]
2011/0236,730 BATTERY WATERING SYSTEMAbandonedMar 23, 11Sep 29, 11[H01M]

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