DIAMOND POWER INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 710
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 518
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 5237
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 219
 
  
 
A01D HARVESTING; MOWING140
 
  
 
B01D SEPARATION 1133
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B21B ROLLING OF METAL 131
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9375718 Shaft-to-roller attachment for clinker grinder rollerOct 18, 11Jun 28, 16[B02C, F23J, A01F, A01D, B27G, B21B]
8915679 Pneumatic transport with multi vessel dischargeJan 15, 13Dec 23, 14[B65G]
8671890 Pipe assemblyJul 25, 05Mar 18, 14[F22B]
7865996 Sootblower with progressive cleaning arcDec 18, 09Jan 11, 11[F23J]
7637002 Assembly for removing a device from a boilerJun 15, 05Dec 29, 09[B23P, B08B]
6806900 Furnace video camera apparatusJan 10, 01Oct 19, 04[H04N, G06K]
6778209 Furnace video camera apparatusOct 06, 00Aug 17, 04[H04N]
6772775 Sootblower mechanism providing varying lance rotational speedDec 20, 01Aug 10, 04[B08B]
6575122 Oscillating sootblower mechanismJul 19, 02Jun 10, 03[F22B]
6239831 Furnace video camera apparatusDec 08, 99May 29, 01[H04N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8573598 Sootblower isolation wall boxExpiredSep 17, 09Nov 05, 13[F16L]
7360508 Detonation / deflagration sootblowerExpiredJun 14, 05Apr 22, 08[F23J]
2007/0177,650 Two-color flame imaging pyrometerAbandonedJan 31, 06Aug 02, 07[G01J]
2007/0045,584 Low loss poppet valve for a cleaning device and a method of delivering a cleaning fluid therewithAbandonedAug 31, 05Mar 01, 07[F16K]
2005/0217,060 Sootblower with single traveling limit switch utilizing state logic controlAbandonedMar 30, 04Oct 06, 05[F23J]
6928937 Sootblowing control based on boiler thermal efficiency optimizationExpiredDec 18, 03Aug 16, 05[F23B]
6909495 Emissivity probeExpiredAug 13, 02Jun 21, 05[G01J]
5605117 Articulating sootblowerExpiredNov 21, 94Feb 25, 97[F22B]
5530987 Condensate drain controllerExpiredJul 24, 92Jul 02, 96[A47L]
5519639 Level indication systemExpiredMar 04, 94May 21, 96[G01F]
5509607 Convertible media sootblower lance tubeExpiredJun 30, 94Apr 23, 96[B08B]
5429077 Water hammer rapper method and apparatusExpiredJul 15, 94Jul 04, 95[F22B]
5379727 Low profile sootblower nozzleExpiredDec 17, 93Jan 10, 95[F22B]
5368471 Method and apparatus for use in monitoring and controlling a black liquor recovery furnaceExpiredNov 20, 91Nov 29, 94[H04N]
5359967 Combined thermal and fuel NO.sub.x control utilizing furnace cleanliness and stoichiometric burner combustionExpiredJun 15, 93Nov 01, 94[F22B]
5267533 Self-adjusting packing gland for sootblowerExpiredJul 20, 92Dec 07, 93[F22B]
5241723 Nozzle structure with improved stream coherenceExpiredOct 21, 91Sep 07, 93[B08B]
5237718 Sootblower with lance bypass flowExpiredMay 01, 92Aug 24, 93[F23J]
5139412 Method and apparatus for profiling the bed of a furnaceExpiredMay 08, 90Aug 18, 92[H04N]
5110365 Control of furnace cleaning for reflective ash using infrared imagingExpiredDec 03, 90May 05, 92[G01J, B08B, C21B]

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