TENNECO PLASTICS COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 791
 
  
 
A44B BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE 526
 
  
 
B31B MAKING BOXES, CARTONS, ENVELOPES, OR BAGS 225
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 163
 
  
 
A41H APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING, FOR TAILORING, NOT OTHERWISE PROVIDED FOR 17
 
  
 
B01D SEPARATION 1133
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
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
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5607709 Disposable microwavable food containerNov 27, 91Mar 04, 97[A23L]
5573489 Integral handled layflat thermoplastic bagDec 22, 93Nov 12, 96[B31B]
5515993 Hinged semi-rigid container having wall stiffening meansDec 12, 94May 14, 96[B65D]
5482375 Tubular plastic end stops bonded to plastic zipperNov 18, 94Jan 09, 96[B65D]
5451356 Method of forming perforations in a structure during molding thereofMar 24, 94Sep 19, 95[B29C]
5448807 Plastic end clips fused to plastic zipperJun 10, 93Sep 12, 95[A44B]
5431760 Zipper slider insertion through split trackMay 02, 94Jul 11, 95[A41H]
5423453 Microwaveable containerAug 18, 94Jun 13, 95[B65D]
5322182 Microwave containerMay 21, 93Jun 21, 94[H05B]
5301395 Plastic reclosable fastener with structure for restraining slider in closed position and for facilitating reopening fastenerJul 29, 93Apr 12, 94[A44B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5669504 Thermoplastic bag closureExpiredJul 20, 95Sep 23, 97[B65D]
5645862 Apparatus for the thermal densification of thermoplastic articlesExpiredSep 26, 95Jul 08, 97[B29C]
5630779 Easy-open bag pack, method of forming and systemExpiredJun 07, 95May 20, 97[B31B]
5605646 Containers for preparation and display of foodsExpiredSep 15, 94Feb 25, 97[B29C, A47J]
5577627 Hinge structure for thermoformed plastic containersExpiredJun 07, 95Nov 26, 96[B65D]
5568979 Closeable thermoplastic bagExpiredMay 16, 94Oct 29, 96[B65D]
5525667 Polymer orientationExpiredAug 02, 95Jun 11, 96[C08J, B29C]
5507713 Easy-open bag pack, method of forming and systemExpiredSep 09, 93Apr 16, 96[B31B]
5484376 Ready to load bag pack, method of forming and systemExpiredSep 19, 94Jan 16, 96[B31B]
5470521 Method for the thermal densification of thermoplastic articlesExpiredMar 17, 94Nov 28, 95[B29C]
5465845 Grocery bag dispensing and loading systemExpiredFeb 09, 94Nov 14, 95[B65D]
5448808 Foldable zipper slider with improved compression-type latchExpiredJun 20, 94Sep 12, 95[A44B]
5442837 Integrated end stops for zipper sliderExpiredJun 20, 94Aug 22, 95[A44B]
5442838 Rolling action zipper profile and sliderExpiredJun 17, 94Aug 22, 95[A44B]
5426830 Axial assembly of multi-part slider on zipperExpiredJun 10, 93Jun 27, 95[A44B]
D358091 Food containerExpiredJul 08, 93May 09, 95[]
5405478 Tubular plastic end stops bonded to plastic zipperExpiredNov 22, 93Apr 11, 95[A44B]
D353327 Hinged lid container with releasable locking meansExpiredAug 27, 93Dec 13, 94[]
5369135 Controlled microcellular foams of crystalline amorphous polymersExpiredMay 13, 92Nov 29, 94[C08L]
D352000 Container with releasable lockExpiredAug 06, 93Nov 01, 94[]

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