SABH (US) WATER HEATER GROUP, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5636598 Induced draft combustion water heaterMay 02, 96Jun 10, 97[F22B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5220638 Water heater with an improved thermostat mounting and a method of making such water heatersExpiredSep 30, 91Jun 15, 93[F24H]
5179914 Forced draft water heater with an improved tank structure and a method for making water heatersExpiredOct 30, 91Jan 19, 93[F22B]
4925093 Forced draft direct vent system for a water heaterExpiredNov 09, 88May 15, 90[F24H, F24D]
4918848 Display stand for use with water heatersExpiredNov 09, 88Apr 24, 90[G09F]
4660541 Water heater with submerged combustion chamberExpiredSep 05, 86Apr 28, 87[F24H]
4397296 Water heater with submerged combustion chamberExpiredDec 07, 81Aug 09, 83[F24H, F22B]
4328791 Gas supplemented solar collector storage meansExpiredJun 13, 80May 11, 82[F24J]
4270894 Combination flue and vent damperExpiredJun 04, 79Jun 02, 81[F23N]
4243194 Hot water tank supporting legsExpiredMay 29, 79Jan 06, 81[F16M]

Top Inventors for This Owner

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