DU-BRO PRODUCTS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F41B WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR 230
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B64C AEROPLANES; HELICOPTERS 173
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F16M FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS134
 
  
 
F41A FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9638488 Archery bow supportOct 13, 16May 02, 17[F16M, F16B, F41A, F41B]
8006534 Wire or rod benderAug 04, 10Aug 30, 11[B21D]
7954480 Pellet gun feederApr 14, 08Jun 07, 11[F41B]
7040571 Single pull control hornApr 02, 04May 09, 06[B64C]
D513949 Stopping tool for a radio controlled vehicleAug 26, 03Jan 31, 06[0805]
D500536 Flexible holder for clips used with a radio controlled vehicleAug 27, 03Jan 04, 05[2101]
6364566 Universal connector for remote control vehiclesSep 28, 00Apr 02, 02[F16C]
6293304 Fuel valveNov 27, 00Sep 25, 01[F16K]
6139263 Flow machine with rotor and statorFeb 19, 99Oct 31, 00[F01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8240335 Fueling valve for fueling a remote control vehicleExpiredJun 12, 09Aug 14, 12[F16K]
7789574 Camera mountExpiredNov 16, 07Sep 07, 10[G03B]
2008/0169,155 PULLEY SYSTEM FOR A TREE STANDAbandonedJan 15, 07Jul 17, 08[A01M, E04G]
2008/0169,407 TREE MOUNTED QUIVER SUPPORTAbandonedJan 15, 07Jul 17, 08[F16M]
7293587 Portable fuel assemblyExpiredNov 12, 04Nov 13, 07[B65B]
7040681 Tool kit for a radio-controlled vehicleExpiredSep 08, 03May 09, 06[A45F]
6604883 Universal connector for remote control vehiclesExpiredOct 02, 01Aug 12, 03[F16S]
6401381 Fishing rod holderExpiredSep 13, 00Jun 11, 02[A01K]
5236232 Knot typing device and methodExpiredJul 29, 92Aug 17, 93[B65H, D03J]
4423757 Device for forming closable wire spring snapsExpiredApr 26, 82Jan 03, 84[B21F]
4421145 Device for forming eyes and loops in wireExpiredApr 26, 82Dec 20, 83[B21F]
4412565 Wire straightener toolExpiredApr 15, 82Nov 01, 83[B21F]
4363604 Propeller spinner for model airplanes or the likeExpiredJan 08, 81Dec 14, 82[B64C]

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