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
Delivery of captions, content advisory and other data through digital interface
Image forming system, prognosis criterion setting apparatus, prognosis apparatus, image forming apparatus and non-transitory computer-readable recording medium
Liquid crystal display backlight control
Method and system for establishing enhanced key when terminal moves to enhanced universal terminal radio access network (UTRAN)
Changing a system clock rate synchronously
Semiconductor device and method of manufacturing the same
Novelty snacks and method of manufacture of same
  Randomly Featured Patents
Latent electrostatic image bearing member, process cartridge, image forming apparatus, and image forming process
Industrial playback robot having a teaching mode in which teaching data are given by speech
Polyethylene containing diphenyl thiourea thermal stabilizers
Process for drying gas streams
Siloxane nonionic blends useful in agriculture
Process for producing anisotropic liquid crystal layers on a substrate
Method and system for channel equalization and crosstalk estimation in a multicarrier data transmission system
Expression vector for the regulatable expression of foreign genes in prokaryotes
Motor control device and motor control method
Programmable analog switch