Kadant Black Clawson Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 4130
 
  
 
D21B FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT37
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 137
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9238188 Disc filterJun 14, 11Jan 19, 16[B01D]
8172985 Extraction bedplate with laser or water jet cut aperturesOct 14, 09May 08, 12[D21B]
7794609 Centrifugal flow distribution clarifier feedwell and method of feeding influent to a clarifier therebyNov 01, 06Sep 14, 10[B01D]
7628890 Extraction bedplate with laser or water jet cut aperturesJul 18, 02Dec 08, 09[D21B]
6915910 Screen cylinder and methodApr 16, 02Jul 12, 05[B01D]
6630014 Mist eliminatorJan 09, 02Oct 07, 03[B01D]
6617720 Integrated paper pulp and process machinery having integrated drive and control and methods of use thereofOct 06, 00Sep 09, 03[H02K, B02C]
D458618 Screen cylinder frame windowsJun 19, 01Jun 11, 02[1509]
D456825 Screen cylinder frameJun 19, 01May 07, 02[1509]
6372086 Pulper and countercurrent washer sugar cane extractionOct 09, 00Apr 16, 02[D21H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7694902 Self-aligning and actively compensating refiner stator plate systemExpiredJun 08, 05Apr 13, 10[B02C]
2009/0047,613 Method and Apparatus for Pneumatic Drying of Lime MudAbandonedMar 21, 06Feb 19, 09[F27B, F26B, F27D]
2007/0245,907 Extraction bedplate with laser or water jet cut aperturesAbandonedApr 30, 07Oct 25, 07[B30B]
2007/0210,015 Dual Zone Wireless Pulp WasherAbandonedApr 11, 05Sep 13, 07[D06F]
6989074 Paper pulp refiner control system and method using active hydrostatic bearingsExpiredMar 07, 01Jan 24, 06[D21B]
2005/0224,610 Pulper rotor and assemblyAbandonedApr 14, 05Oct 13, 05[B02C]
6745469 Method of making screen media and a screening passage thereforeExpiredOct 30, 00Jun 08, 04[B23P]
6595373 Wedge wire and paper stock screening apparatus incorporating such wedge wireExpiredMar 28, 01Jul 22, 03[B07B, B01D]
6491168 Pulp screen basketExpiredApr 23, 00Dec 10, 02[B01D]
6138838 Screen media and a screening passage thereforeExpiredMay 29, 98Oct 31, 00[B07B, D21D]
5954956 Modular screen cylinder and a method for its manufactureExpiredJul 22, 97Sep 21, 99[B01D]

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