Gloucester Engineering Co., 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 1124
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8939751 Annular die spiral groove configurationMar 29, 13Jan 27, 15[B29C, B23C]
8430351 Stretch film winderOct 16, 08Apr 30, 13[B65H]
5205899 Thermal expansion compensated hot knifeJun 04, 92Apr 27, 93[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0197,265 DRIVEN LAYON ROLLER APPARATUS FOR FILM OR SHEET WINDERSAbandonedMar 29, 13Jul 17, 14[B65H]
4750874 Air cooling ring for plastic filmExpiredJan 09, 87Jun 14, 88[B29C]
4430914 Rotary apparatus for advancing a webExpiredJul 10, 81Feb 14, 84[B26F]
4402656 Control of tubular film sizeExpiredApr 03, 81Sep 06, 83[B29D]
4377540 Control of tubular film sizeExpiredAug 24, 81Mar 22, 83[B29D]
4373273 Air ring having a circular array of a large multiplicity of substantially parallel cell-like passages in the air flow path leading to the outletExpiredApr 13, 81Feb 15, 83[B29D, F26B]
4289469 Apparatus for forming and trimming articles from a webExpiredMay 16, 80Sep 15, 81[B29C]
4286907 Grid extensions on a rotary stackerExpiredSep 17, 79Sep 01, 81[B65G, B65H]
4285686 V-Board folder for flexible plastic filmsExpiredOct 05, 79Aug 25, 81[B31B]
4272231 Air cooling ring for plastic film with independent lubricating air for film guide surfaceExpiredMar 15, 79Jun 09, 81[B29F, B29D]
4260147 Utilization of air jets for discharge conveyor on wicketing systemsExpiredMay 24, 78Apr 07, 81[B65H]
4243363 Control of tubular film sizeExpiredMar 12, 79Jan 06, 81[B29D]
4236884 Internal air cooling of tubular plastic filmExpiredSep 05, 75Dec 02, 80[B29D]
4230029 Cutting assembly useful in bag machinesExpiredOct 26, 78Oct 28, 80[B31B]

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