SELKIRK LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5393260 Flexible double wall vent pipeDec 10, 93Feb 28, 95[F23J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6076862 Concentric snap-together direct vent structure and associated fabrication methodsExpiredAug 24, 98Jun 20, 00[F16L, E04H]
5718094 Supply air register constructionExpiredAug 09, 96Feb 17, 98[E04C, F24F]
5476419 Thermally actuated heating/cooling air changeover deflector structure for a ceiling diffuserExpiredNov 15, 94Dec 19, 95[F24F]
5328213 Adjustable pipe fittingExpiredDec 08, 92Jul 12, 94[F16L]
4462618 Prefabricated double-walled metal chimneyExpiredMar 16, 81Jul 31, 84[F16L]

Top Inventors for This Owner

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