EPI ENVIRONMENTAL TECHNOLOGIES INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 399
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
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
 
  
 
E02B HYDRAULIC ENGINEERING 117
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5854304 Degradable/compostable concentrates, process for making degradable/compostable packaging materials and the products thereofJul 24, 97Dec 29, 98[C08J, C08K]
5620281 Machine and method for laying film on face of landfillFeb 16, 96Apr 15, 97[F02B]
5565503 Chemically degradable polyolefin filmsJan 18, 95Oct 15, 96[C08J, C08K]
5536116 Machine and method for laying film on face of landfillNov 14, 94Jul 16, 96[E02B]
5416133 Chemically degradable polyolefin filmsAug 10, 93May 16, 95[B29C, C08K]
5364207 Method for making service connections to polyethylene pipeMar 26, 93Nov 15, 94[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0045,054 MACHINE FOR LAYING A FILM ON A LANDFILL SURFACEAbandonedAug 18, 11Feb 21, 13[B09B]
6558079 Method and apparatus for covering landfillExpiredApr 05, 00May 06, 03[B09B]
6558080 Methods and compact apparatus for covering landfillExpiredApr 23, 01May 06, 03[B09B]
2002/0034,422 Compact Apparatus for Covering LandfillAbandonedMay 09, 00Mar 21, 02[B09B]
2002/0018,873 Method of using an alternative daily cover to contain compacted, baled waste and to dispose of the contained waste in a landfillAbandonedJul 11, 01Feb 14, 02[B32B]
6267535 Depositing particulate material or soil onto plastic film extending over a face of a landfill or other locationExpiredSep 02, 99Jul 31, 01[E02B]
6156139 Automated sidewall fusing apparatusExpiredJun 25, 99Dec 05, 00[B29C, B29B, G05G, G01C, B32B]
6047757 Angled sidewall fusing apparatusExpiredMar 10, 98Apr 11, 00[B29C]
5948189 Automated sidewall fusing apparatusExpiredDec 05, 97Sep 07, 99[B29C, B65H, G01C, B32B]
5649786 Apparatus for down hole fusingExpiredNov 14, 94Jul 22, 97[F16L]
5642912 Pulling attachment for plastic pipe and slip lining headExpiredOct 24, 94Jul 01, 97[E21B, B66C]
5628585 Method and apparatus for removal of utility line and replacement with polyolefin pipeExpiredApr 28, 95May 13, 97[E21D, F16L]
5621015 Process for the treating of surfaces of thermoplastic additivesExpiredOct 11, 94Apr 15, 97[C08J, B05D]
5613807 Apparatus for down hold fusingExpiredApr 28, 95Mar 25, 97[F16L]
5611962 Production of encapsulated chemical foaming concentratesExpiredMar 09, 95Mar 18, 97[C09K, B32B]
5609892 Apparatus for the production of encapsulated foaming concentratesExpiredMay 03, 96Mar 11, 97[B29B]
5592993 Directional auger attachmentExpiredApr 28, 95Jan 14, 97[E21B]
5564863 Method and apparatus for point-repair of sewer and other utility linesExpiredMar 13, 95Oct 15, 96[F16L]
5234963 Production of encapsulated chemical foaming concentratesExpiredNov 10, 92Aug 10, 93[C08J]

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