SJE-RHOMBUS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 886
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 356
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 292
 
  
 
B01D SEPARATION 1133
 
  
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 141
 
  
 
E03B INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER 112
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
F04F PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED 113
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9074587 Energy efficient sewage pumping system with a controller and variable frequency drive and methodJul 13, 12Jul 07, 15[F04B, F04D]
8508374 Motor power moduleJun 28, 10Aug 13, 13[G08B]
8032256 Liquid level control systemsApr 17, 09Oct 04, 11[F16K, G08B, G01L, G01N, F17D, G05D, G01P, E03B, F04F, G01F, B01D]
D646239 Controller housingAug 24, 10Oct 04, 11[1402]
7746237 Wastewater fluid level sensing and control systemDec 20, 08Jun 29, 10[G08B]
7557722 Enclosure for a wastewater fluid level sensing and control systemMay 18, 07Jul 07, 09[G08B]
7557772 Planer helical antennaMar 21, 06Jul 07, 09[H01Q]
7471207 Wastewater fluid level sensing and control systemDec 14, 06Dec 30, 08[G08B]
7224283 Enclosure for a wastewater fluid level sensing and control systemMar 31, 05May 29, 07[G08B]
7218511 Electrical enclosure systemJan 24, 05May 15, 07[H05K]

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Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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