Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 236/53
Name: Automatic temperature and humidity regulation > Traps > Float valve > Thermostatic air valve
Description: Automatic steam-traps in which the water-drain valve is float-operated, but which are provided with a thermostatically-controlled air-vent.

Patents under this class:

Patent Number Title Of Patent Date Issued
4635672 Air vent Jan. 13, 1987
4545397 Float valve assembly Oct. 8, 1985
4440144 Heater apparatus and method Apr. 3, 1984
4300719 Steam traps Nov. 17, 1981

  Recently Added Patents
Crowd validated internet document witnessing system
System and method for data reconfiguration in an optical communication network
Method of treating a preceramic material
System and method for broadcasting rich media to devices over multiple carriers
Vanilloid receptor ligands and use thereof for the production of pharmaceutical preparations
Method for generating multi-antenna signals
  Randomly Featured Patents
Method of making a heat-sealed pyrotechnic cap
Organic electroluminescence device
Pattern forming method
Apparatus for controller internal combustion engine
Method and apparatus for automatically fitting an input image to the size of the output document
Electronic system with variable threshold power failure signaling
Fire-proof treatment solution and fire-retardant material therefrom
Cylindrical prestressed concrete tank for a nuclear power plant
Activity based long-lived transaction system