ROBERTS-GORDON LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 342
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 150
 
  
 
F23D BURNERS 131
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 126
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0067,508 DEVICES, SYSTEMS AND METHODS RELATING TO HVAC SYSTEMS THAT PROVIDE AN IMPLICIT PARTITION BETWEEN AT LEAST TWO ABUTTING ENVIRONMENTS IN A DEFINED LARGE OPEN SPACEAug 15, 17Mar 08, 18[G05D, F24F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6481434 Gas fired infrared radiant tube heating system using plural burner assemblies and single gas delivery systemFeb 05, 02Nov 19, 02[F23D]
6431457 Air heater controlSep 13, 00Aug 13, 02[F24H, F24F]
5346247 Truck air ride suspensionMay 14, 93Sep 13, 94[B60G]
5257958 Pressure override control for air treatment unitFeb 11, 93Nov 02, 93[F24F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0287,111 Variable input radiant heaterAbandonedMar 26, 07Dec 13, 07[F24H, F23N]
2006/0169,275 Variable input radiant heaterAbandonedFeb 02, 05Aug 03, 06[F24C]
2005/0266,362 Variable input radiant heaterAbandonedJun 01, 04Dec 01, 05[F24H, F23N]
6505099 Radiant energy control systemExpiredOct 14, 98Jan 07, 03[G01M, G05B, G05D]
5542652 Anti-friction pad for a bushed pivot point connection of a main leaf spring and a secondary leaf springExpiredFeb 22, 95Aug 06, 96[B60G]
5453048 Coupling assemblyExpiredApr 19, 94Sep 26, 95[B08B]
5378006 Slider suspension for semi-trailersExpiredJul 21, 93Jan 03, 95[B62D]
5361750 Burner assemblyExpiredJun 14, 93Nov 08, 94[F24C]
5211331 Control in combination with thermostatically responsive assemblyExpiredApr 13, 90May 18, 93[F23N]
5088758 Suspension system for semi trailersExpiredAug 16, 90Feb 18, 92[B60G]
4460123 Apparatus and method for controlling the temperature of a spaceExpiredOct 17, 83Jul 17, 84[F23N, F25B]

Top Inventors for This Owner

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