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Class Information
Number: 236/99C
Name: Automatic temperature and humidity regulation > Thermostatic > Expanding fluid > External and internal sensors

Patents under this class:

Patent Number Title Of Patent Date Issued
5125068 Apparatus for controlling heating of fluids utilizing adjustable temperature set point Jun. 23, 1992
5014680 Self-powered automatic secondary air controllers for woodstoves and small furnaces May. 14, 1991
4016901 Thermostatic valve Apr. 12, 1977
3949777 Valve construction and system utilizing the same Apr. 13, 1976

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