RED VALVE CO., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING1063
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 339
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 253
 
  
 
C10J PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES 120
 
  
 
E03B INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER 112
 
  
 
F15D FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS 110
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0066,785 Pressure and Headloss Maintaining Valve System for Clean and Dirty Water SystemsSep 06, 17Mar 08, 18[F16L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7104279 Method and apparatus for preventing stagnation in fluid reservoirsMay 30, 01Sep 12, 06[E03B]
6953059 Check valve with hangerJul 25, 03Oct 11, 05[F16K]
6702263 Diffuser saddle connectionMay 09, 02Mar 09, 04[B01F]
6585005 Reinforced tide gate valveAug 18, 00Jul 01, 03[F16K]
6561225 Passive flow control valveJan 02, 02May 13, 03[F15D]
6505810 Pinch valve arrangement for flow controlJun 22, 01Jan 14, 03[F16K]
6412514 Flip check valveOct 26, 00Jul 02, 02[F16K]
6372140 Diffused aeration methodFeb 27, 01Apr 16, 02[C02F]
6367505 Check valve with oversized billMar 22, 00Apr 09, 02[F16K]
6367783 Fine bubble diffuserFeb 28, 01Apr 09, 02[B01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0083,889 Directly Fluid Operated Pinch ValveAbandonedOct 10, 07Apr 10, 08[F16K]
2007/0246,113 First flush passive flow control valveAbandonedApr 20, 07Oct 25, 07[F16N]
2006/0120,214 Mixing deviceAbandonedNov 01, 05Jun 08, 06[B01F]
6923421 Flexible half sleeve style pinch valveExpiredSep 23, 03Aug 02, 05[F16K]
2004/0033,108 Flexible weir style pinch valveAbandonedAug 15, 03Feb 19, 04[F16K, E02B]
2003/0226,605 Multi-port pinch valve and methods of manufacture thereofAbandonedJun 10, 03Dec 11, 03[F16K]
5282314 Method of making a pressure relief valueExpiredMar 15, 93Feb 01, 94[B23P]
5215123 Pressure relief valveExpiredMar 12, 92Jun 01, 93[F16K]
4923166 Pressure-reducing noise-abating control valveExpiredJul 28, 89May 08, 90[F16K]
4763527 Temperature-resistant isolation fluid pressure detectorExpiredJan 23, 87Aug 16, 88[G01L]
4607663 Inversion-resistant, readily-openable tide gate valveExpiredJul 12, 85Aug 26, 86[F16K]
4603864 Sealing arrangement for knife gate valvesExpiredJun 14, 85Aug 05, 86[F16K, F16J]
4585031 Inversion-resistant tide gate valveExpiredJul 12, 85Apr 29, 86[F16K]
4534224 Isolation fluid pressure detectorExpiredMay 17, 84Aug 13, 85[G01L]
4523738 Deformable sleeve for a pinch valveExpiredJun 27, 84Jun 18, 85[F16L]
4492253 Tide gate valveExpiredJun 01, 82Jan 08, 85[F16K]
4372528 Pinch valve sleeveExpiredJul 06, 81Feb 08, 83[F16L]
4322054 Pinch valveExpiredDec 29, 80Mar 30, 82[F16K]
4303222 Pinch valveExpiredFeb 06, 80Dec 01, 81[F16K]
4268005 Pinch valveExpiredDec 08, 78May 19, 81[F16L]

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