UNIWELD PRODUCTS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL367
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 365
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
F23D BURNERS 230
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
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
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING143
 
  
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 126
 
  
 
F23Q IGNITION 116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897237 Method of coupling high pressure fittingAug 26, 15Feb 20, 18[F16L]
9803901 Vaporizing refrigerant charging tool with visual inspection windowJan 28, 11Oct 31, 17[F25B]
9383046 High pressure fittingMar 14, 13Jul 05, 16[F16L]
9328870 Flow regulator for nitrogen purging, system and methodJan 16, 14May 03, 16[F16K, F17C, G01F]
8181665 Flushing unit and flushing system for flushing vapor compression systemsMay 08, 09May 22, 12[F16K, B08B]
D518068 PumpJan 20, 05Mar 28, 06[1502]
D465259 Manifold bodyJun 10, 99Nov 05, 02[2301]
6471114 Multiple flame torch tip and methodNov 07, 01Oct 29, 02[B23K]
6467703 Multiple flame torch tipSep 10, 98Oct 22, 02[B05B]
D453953 ManifoldFeb 01, 01Feb 26, 02[2301]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6318173 Gauge having an indicia-bearing insertExpiredMay 11, 00Nov 20, 01[G01L, G01D]
2001/0041,318 MULTIPLE FLAME TORCH TIP AND METHODAbandonedDec 21, 98Nov 15, 01[F23D]
6102062 Quick connect/disconnect valveExpiredJan 26, 99Aug 15, 00[F16L]
6094983 Gauge having an indicia-bearing insertExpiredApr 28, 98Aug 01, 00[G01L, G01P, G01D]
4805762 Reciprocating dischargerExpiredMar 02, 88Feb 21, 89[B65G]
4763777 Reciprocating dischargerExpiredSep 30, 86Aug 16, 88[B65G]
4749475 Two stage rotary pulp screening deviceExpiredOct 23, 86Jun 07, 88[B07B, B01D]
4732559 Combustion deviceExpiredNov 07, 86Mar 22, 88[F23D]
4697982 Rotary pulp screen of the horizontal type having pulp stock feed at different axial positions on the screenExpiredJul 23, 86Oct 06, 87[F04D]
4661057 Combustion deviceExpiredApr 04, 85Apr 28, 87[F23D]
4642015 Bearing support for discharger mechanismExpiredJun 15, 84Feb 10, 87[B65G]
4642189 Rotary screen of the vertical pressure type having pulp stock feed at different axial positions on the screenExpiredFeb 20, 85Feb 10, 87[B07B, B01D]
4594045 Hold down and sealing assembly for discharger mechanismExpiredJun 15, 84Jun 10, 86[B65G]
4328948 Fluid line coupling with self-adjusting valve depressor for refrigeration refrigerant testing and charging hosesExpiredFeb 25, 80May 11, 82[F16L]
4294481 Gas cylinder carrierExpiredJun 26, 80Oct 13, 81[B62B]
4267982 Bark shredderExpiredFeb 22, 79May 19, 81[B02C]
4268381 Rotary pulp screening device of the vertical pressure typeExpiredMay 03, 79May 19, 81[B07B]
4191333 Flame tip for soldering torchExpiredAug 14, 78Mar 04, 80[F23D]

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