Crompton & Knowles Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 142
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 151
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6045593 Acid yellow dye and method for using sameApr 27, 99Apr 04, 00[C09B]
RE31903 Extruder temperature controllerApr 13, 83Jun 04, 85[B29F, G05D, F28F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5779805 Process for recrystallizing sugar and product thereofExpiredAug 26, 96Jul 14, 98[C13D, C08B, B01J, C13F]
5624692 Apparatus for measuring the temperature of a polymer meltExpiredJan 30, 96Apr 29, 97[B29C]
5225216 Mold opening apparatus for blow molding machineExpiredJun 13, 91Jul 06, 93[B29C]
5221821 Method for producing an extruder barrel assemblyExpiredJan 10, 92Jun 22, 93[B23K]
5169479 Wire take-up apparatus with tape applicator for applying tape to terminal end portion of wireExpiredApr 18, 91Dec 08, 92[B32B]
5100124 Article stopping apparatusExpiredSep 28, 90Mar 31, 92[B65H]
4919352 Web and transfer cutoff apparatusExpiredOct 25, 88Apr 24, 90[B65H]
4877538 Sulfomethylated stain blocking agentsExpiredApr 04, 88Oct 31, 89[D06M]
4865885 Food color stain blocking fiber agentsExpiredJun 19, 87Sep 12, 89[B05D]
4857392 Stainblocker and fluorocarbon oil repellentsExpiredJun 15, 88Aug 15, 89[B05D, B32B]
4854844 Die-lip adjusting mechanismExpiredJun 29, 88Aug 08, 89[B29C]
4828020 Internal finned heater-cooler for an extruder barrelExpiredAug 15, 86May 09, 89[H05B, F25B]
4741113 Air wiperExpiredDec 12, 86May 03, 88[F26B]
4704296 Web coating method and apparatusExpiredSep 28, 84Nov 03, 87[B05C, B05D]
4615295 Doctor blade apparatus for coating apparatusExpiredApr 10, 85Oct 07, 86[B05C]
4595546 Manufacture of elongated extruded cross-linked productsExpiredNov 14, 83Jun 17, 86[B29C]
4553461 Rotary web processing apparatusExpiredOct 12, 82Nov 19, 85[B26D]
4541792 Dual loop temperature control system for rubber and other extruders with optional connection for heat pumpExpiredMay 09, 83Sep 17, 85[B29H]
4519757 Web surface treating apparatusExpiredJan 17, 84May 28, 85[B29C, B29D]
4454084 Extrusion die control systemExpiredJun 09, 82Jun 12, 84[B29F]

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