PGI INTERNATIONAL, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1501 ENGINES129
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT842
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING766
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL664
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 458
 
  
 
F17D PIPE-LINE SYSTEMS; PIPE-LINES 212
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
A01B SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL 133
 
  
 
A01C PLANTING; SOWING; FERTILISING 129
 
  
 
B60D VEHICLE CONNECTIONS 120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D735307 Multiport manifold for evaporator coilsDec 26, 12Jul 28, 15[2303]
8955823 Cam operated valveOct 03, 12Feb 17, 15[F16K, F16L]
8939172 Ball valveNov 13, 12Jan 27, 15[F16K, F16L]
8926176 Modular thermowell and methodJul 31, 12Jan 06, 15[G01K, B23K]
8851446 Cam operated valveApr 07, 11Oct 07, 14[F16K, F16L]
D714909 Stabilized connector with integrated block valveDec 05, 12Oct 07, 14[2301]
7850190 applicator implementJul 24, 08Dec 14, 10[B60D, A01B]
D624157 Minimum bleed check valveApr 02, 09Sep 21, 10[2301]
D623723 Reduced bleed check valveApr 02, 09Sep 14, 10[2301]
D606167 Check valveDec 03, 08Dec 15, 09[2301]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0110,617 PLUG VALVE WITH INTEGRATED HARD FACE SEATAbandonedOct 24, 12Apr 24, 14[F16K]
8564658 NH3 distributor monitoring system and methodExpiredSep 22, 08Oct 22, 13[H04N]
6513556 Flexible hose passive shut down systemExpiredAug 20, 01Feb 04, 03[F16K]
6361017 Locking valve with joint allowing packing serviceExpiredNov 20, 00Mar 26, 02[F16K]
6308753 System for loading and unloading fluid tanks containing hazardous fluidsExpiredMar 04, 00Oct 30, 01[F16K]
6289752 Sampling systemExpiredJul 18, 00Sep 18, 01[G01N]
6272931 Full drain and vent adapter for pressure sensing transmitterExpiredSep 13, 99Aug 14, 01[G01L]
6182701 Swivel-type static pressure bar adapterExpiredAug 21, 96Feb 06, 01[F16K]
5725024 Manifold valve having controlled vent port integral with flangeExpiredAug 21, 96Mar 10, 98[F17D]
5720317 Low profile flanged manifold valveExpiredAug 21, 96Feb 24, 98[F16K]
5562118 Emergency shutoff valve with a fusible link and methodExpiredJul 21, 95Oct 08, 96[F16K]
5503180 Valve having easily replaceable seatExpiredMay 01, 95Apr 02, 96[F16K]
5313975 Gas lockout systemExpiredMar 18, 93May 24, 94[F16K, F17D]
5257653 Ejector pull away system and apparatusExpiredNov 05, 91Nov 02, 93[F16L]
5215120 Apparatus and method for reducing valve emissionsExpiredNov 20, 91Jun 01, 93[F16K]
5173579 Differential pressure switch including a vertical diaphragm, a reed switch activated by a first magnet and additional magnets for positioning the diaphragm and the first magnetExpiredJan 09, 92Dec 22, 92[H01H]
5109709 Direct mount system for a fluid sampling pump and methodExpiredSep 21, 90May 05, 92[G01N]
5109712 Portable sample cylinder with reduced seal permeabilityExpiredSep 21, 90May 05, 92[G01N]
5090438 Self-relieving fluid regulatorExpiredSep 21, 90Feb 25, 92[G05D]
5074154 Fluid sampling pumpExpiredMar 20, 90Dec 24, 91[G01N]

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