Duro Dyne Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 247
 
  
 
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
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146
 
  
 
F16G BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR128
 
  
 
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
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 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
8915686 Unitary, strike, drop-in anchor for concrete and the likeMay 16, 13Dec 23, 14[F16B, E04B]
8356796 Unitary shaft extender apparatusNov 23, 10Jan 22, 13[F16K, F23L]
7770849 Rigidly attached cable support for ductwork having at least three flat side surfacesSep 22, 08Aug 10, 10[F16L, F16G]
7472699 Damper regulator assemblyJun 14, 06Jan 06, 09[F23L]
6546600 Cable clampDec 07, 01Apr 15, 03[F16G]
D467795 Cable clampJan 03, 02Dec 31, 02[0808]
6497543 Aerodynamic resistance weld pinNov 20, 01Dec 24, 02[B23K, F16B]
5927173 Dispenser Apparatus for flexible duct connectorJun 06, 97Jul 27, 99[B26D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0219,270 CONVERTIBLE INSULATION HOLDER PINAbandonedAug 08, 13Aug 06, 15[F16L, B23K, F16B]
2010/0187,817 SLIDE CORNER CONNECTOR FOR FLANGEAbandonedJan 27, 10Jul 29, 10[F16L]
2010/0126,074 MULTI-USE HATCH COVER FOR DUCTS HAVING A CURVED CIRCUMFERENCEAbandonedNov 23, 09May 27, 10[E06B, E05F]
6338593 Bowing resistant right angle corner connectorExpiredMay 16, 00Jan 15, 02[F16B]
6167737 Vane forming apparatusExpiredApr 17, 00Jan 02, 01[B21D, B21B]
5842919 Damper actuator assemblyExpiredMar 27, 97Dec 01, 98[F24F]
5644819 Reusable metallic banding assemblyExpiredAug 30, 96Jul 08, 97[B65D]
5535925 Caulk-dispensing deviceExpiredMay 30, 95Jul 16, 96[B65D]
5518215 Insulation support pin extenderExpiredMay 16, 94May 21, 96[F16B]
5482783 Vane rail stock for air turning assemblyExpiredApr 29, 91Jan 09, 96[F15D]
5325964 Fibrous insulation support pinsExpiredApr 29, 93Jul 05, 94[B65D]
5233752 Portable apparatus for air turning assembly fabricationExpiredNov 12, 92Aug 10, 93[B23P]
5181314 Apparatus for manufacturing air turning assemblyExpiredApr 29, 92Jan 26, 93[B23P]
5067278 Access door for air flow conduitsExpiredDec 07, 90Nov 26, 91[E06B]
4900064 Connector for fiber duct systemsExpiredJun 26, 89Feb 13, 90[F16L]
D303914 Caulking gunExpiredAug 17, 87Oct 10, 89[]
D303070 Hand held welding gunExpiredAug 17, 87Aug 29, 89[]
4861631 Flexible connector materialExpiredJul 05, 88Aug 29, 89[F16L]
D300778 Damper regulator assemblyExpiredJan 10, 86Apr 18, 89[]
4600345 Impact fastener deviceExpiredJan 24, 85Jul 15, 86[F16B]

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