EHC 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 5120
 
  
 
B66B ELEVATORS; ESCALATORS OR MOVING WALKWAYS 424
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B29K INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS 130
 
  
 
B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES 125
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 134
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9579839 Apparatus for extrusion of thermoplastic handrailAug 24, 12Feb 28, 17[B29C, B29K, B29L]
8820511 Modified handrailSep 10, 08Sep 02, 14[B65G, B66B, B32B]
8323544 Method and apparatus for pretreatment of a slider layer for extruded composite handrailsSep 10, 08Dec 04, 12[B28B, B29C, B65G, D01F, B66B, B32B]
8061215 Apparatus for and method of measuring tension in a handrail for an escalator or moving walkwayJun 13, 08Nov 22, 11[G01N]
6682806 Method of applying a protective film, optionally including advertising or other visible material, to the surface of a handrail for an escalator or moving walkwayFeb 19, 99Jan 27, 04[B32B]
6237740 Composite handrail constructionJun 30, 98May 29, 01[B66B]
6086806 Method of splicing thermoplastic articlesApr 05, 96Jul 11, 00[B29C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8337977 Elastic and resilient film having a layer with a barrier coatingExpiredNov 07, 08Dec 25, 12[B32B]
2012/0227,902 METHOD OF MANUFACTURING A FILM HAVING A LAYER WITH A BARRIER COATINGAbandonedMay 23, 12Sep 13, 12[B32B]
8206528 Method of applying a film to an endless moving handrail having a layer with a barrier coatingExpiredNov 07, 08Jun 26, 12[B29C, B66B, B32B]
7951254 Method of applying advertising to the surface of a moving handrailExpiredJun 09, 09May 31, 11[G09F, B32B]
2010/0283,173 METHOD AND APPARATUS FOR EXTRUSION OF THERMOPLASTIC HANDRAILAbandonedSep 10, 08Nov 11, 10[B29C]
2009/0120,575 METHOD OF MANUFACTURING A FILM HAVING A LAYER WITH A BARRIER COATINGAbandonedNov 07, 08May 14, 09[B32B]
2009/0123,715 ELASTIC AND RESILIENT FILM HAVING A BARRIER LAYERAbandonedNov 07, 08May 14, 09[B32B]
2007/0284,031 METHOD OF APPLYING A FLEXIBLE FILM TO A HANDRAIL AND FORMING A JOINT BETWEEN THE ENDS OF THE FILMAbandonedJul 05, 07Dec 13, 07[B29D]
7278528 Method of and apparatus for applying a film optionally including advertising or other visible material, to the surface of a handrail for an escalator or moving walkwayExpiredJan 07, 05Oct 09, 07[B66B]
7108905 Protective film for the surface of a handrail for an escalator or moving walkwayExpiredApr 22, 02Sep 19, 06[B32B]
7041195 Method of applying and removing a protective film to the surface of a handrail for an escalator or moving walkwayExpiredApr 22, 02May 09, 06[C09J]
6866125 Illumination system for escalator handrailsExpiredSep 10, 01Mar 15, 05[B66B]
2004/0247,843 Method of applying a protective film, optionally including advertising or other visible material, to the surface of a handrail for an escalator or moving walkwayAbandonedJan 07, 04Dec 09, 04[B66B]
6450228 Method of applying and removing a protective film to the surface of a handrail for an escalator or moving walkwayExpiredFeb 22, 00Sep 17, 02[B05B]

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