Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 236/85
Name: Automatic temperature and humidity regulation > Motors > Fluid-operated > Relay > Pressure-operated
Description: Devices wherein the relay is operated by a device responsive to changes in pressure in the fluid to be regulated.

Patents under this class:

Patent Number Title Of Patent Date Issued
7980481 Thermally controlled process interface Jul. 19, 2011
4756474 Duct pressure powered air volume controller Jul. 12, 1988

  Recently Added Patents
Device and method for controlling brightness of organic light emitting diode display
Dynamic load profiling in a power network
Electronic device, display, image processing apparatus and electronic calculating apparatus
System and methods for facilitating and documenting user thinking and learning using enhanced interactive constructs
Process of preparing functionalized polymers via enzymatic catalysis
Automatic population of feature capabilities on a communication device
Method and apparatus for laser strip splicing
  Randomly Featured Patents
Insulated-gate controlled semiconductor device
Method for evaluating a remaining life of a rotating machine coil
Plate-type trailer construction
Reclosable bags having a removable member encapsulating a slider
Building riser cable
Apparatus for rapidly producing cryogenically frozen dessert particles
Apparatus for applying surgical fasteners
Alloy plating system
Article holder utilizing magnetostatic interaction
Electronic image pickup apparatus and electronic image pickup method