Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 237/1A
Name: Heating systems >

Sub-classes under this class:

Class Number Class Name Patents
237/12.1 Heat and power plants 108
237/13 Plants 27
237/14 Brooder and incubator 26
237/16 Combined radiator and boiler 37
237/19 Combined with water heater 206
237/1R Miscellaneous 338
237/28 Vehicle 32
237/2R Automatic control 33
237/46 Ventilating 46
237/50 Air 37
237/56 Water 80
237/67 Steam 43
237/69 Heated floor 135
237/70 Heat radiators 57
237/80 Antifreezing devices 80
237/81 Processes 45
237/DIG.1 Inert gas 0

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Reflective non-invasive sensor
Signal judgment method, signal judgment apparatus, program, and signal judgment system
Synthesizing VHDL multiple wait FSMS into RT level FSMS by preprocessing
Integrated circuit devices having conductive structures with different cross sections
Direct file transfer between subscribers of a communications systems
Methods and apparatuses for anti-shading correction with extended color correlated temperature dependency
Integrated circuit packaging system with coupling features and method of manufacture thereof
  Randomly Featured Patents
Beverage brewing apparatus
Epicyclic gear mechanism
Method for providing network perimeter security assessment
Safety cap for containers of liquids
Customizable fold-over card
Multimedia presentation editor for a small-display communication terminal or computing device
Combined signal level meter and leakage detector
Robotized handling device and sheet metal bending system featuring the same
Method for forming two-layer brassiere cup
Thermal reduction process for production of magnesium