4437667 CANADA INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 20105
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 3108
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7581944 Injection molding apparatus having a valve pin bushingAug 28, 07Sep 01, 09[B29C]
D525592 ControllerOct 18, 04Jul 25, 06[]
6739863 Valve pin with thermocoupleOct 11, 02May 25, 04[B29C]
RE38265 Injection molding apparatus having a cooled coreAug 10, 01Oct 07, 03[B29C]
6454558 Melt transfer systemOct 25, 99Sep 24, 02[B29C]
6447283 Injection molding heater with melt bore therethroughJun 08, 99Sep 10, 02[B29C]
5387099 Injection molding valve member sealing bushing with a thin collar portionMar 07, 94Feb 07, 95[B29C]
5238378 Coinjection molding apparatus having rotary axial actuating mechanismMay 27, 92Aug 24, 93[B29C]
5238391 Injection molding probe with coaxial thermocouple tube and heating elementFeb 19, 92Aug 24, 93[B29C]
5235737 Method of making an injection molding nozzle with a heating element extending outward between adjacent collar portionsDec 28, 92Aug 17, 93[H05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0181,090 Injection molding nozzle with embedded and removable heatersAbandonedDec 04, 03Aug 18, 05[B29C]
2004/0166,189 Injection molding system with flow controlAbandonedFeb 25, 04Aug 26, 04[B29C]
5061174 Injection molding apparatus having separate heating element in the cavity forming insertExpiredDec 31, 90Oct 29, 91[B29C]
5046942 Injection molding nozzle having tapered heating element adjacent the boreExpiredDec 31, 90Sep 10, 91[B29C]
5030084 Pre-wired injection molding assemblyExpiredSep 04, 90Jul 09, 91[B29C]
5028227 Injection molding nozzle with replaceable gate insertExpiredOct 31, 88Jul 02, 91[B29C]
5022846 Pneumatic actuating mechanism for injection moldingExpiredAug 29, 89Jun 11, 91[B29C]
5015170 Injection molding cooled socket holder for a heated nozzleExpiredSep 04, 90May 14, 91[B29C]
5007821 Injection molding manifold having a pair of cooling bores on opposite sides of the melt passageExpiredMar 05, 90Apr 16, 91[B29C]
5002480 Injection molding insulated valve memberExpiredNov 02, 89Mar 26, 91[B29C]
5000675 Injection molding manifold and nozzle having laterally clamped flangesExpiredFeb 09, 90Mar 19, 91[B29C]
4981431 Injection molding system with flanged insulating gate sealExpiredAug 29, 89Jan 01, 91[B29C]
4979892 Injection molding nozzle with self-supporting actuating mechanismExpiredMar 31, 89Dec 25, 90[B29C]
4945630 Method of making a selected size injection molding nozzleExpiredFeb 12, 90Aug 07, 90[H05B]
4941249 Method of making an injection molding nozzle having nose portion with heating element encircling the boreExpiredDec 05, 89Jul 17, 90[H05B]
4938681 Injection molding system having offset valve pin biasing mechanismExpiredJun 06, 89Jul 03, 90[B29C]
4932858 Injection molding system having dual feed bushing seated in manifoldExpiredJul 10, 89Jun 12, 90[B29C]
4923387 Injection molding system having a valve member with a ribbed insulative portionExpiredFeb 27, 89May 08, 90[B29C]
4921708 Injection molding nozzle having circumferentially spaced conductive probesExpiredMar 01, 89May 01, 90[B29C]
4919606 Injection molding rack and pinion valve pin actuating mechanismExpiredDec 21, 88Apr 24, 90[B29C]

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