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Class Information
Number: 236/25R
Name: Automatic temperature and humidity regulation > Closed fluid heaters > Flow controlled
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7278587 |
Thermal treatment apparatus and thermal treatment method |
Oct. 9, 2007 |
| 6212894 |
Microprocessor control for a heat pump water heater |
Apr. 10, 2001 |
| 6158231 |
Temperature regulating system employing thermostatic switching devices to assure safe operation of the system in both hazardous and non-hazardous applications |
Dec. 12, 2000 |
| 5322216 |
System and method for controlling outlet water temperature of an instantaneous water heater |
Jun. 21, 1994 |
| 5056712 |
Water heater controller |
Oct. 15, 1991 |
| 4880157 |
Capacity control for integrated furnace |
Nov. 14, 1989 |
| 4848655 |
Dual heating system |
Jul. 18, 1989 |
| 4781324 |
Preheat temperature balancing control |
Nov. 1, 1988 |
| 4738394 |
Integral liquid-backed gas-fired space heating and hot water system |
Apr. 19, 1988 |
| 4700886 |
Integrated, usage-dependent temperature control for gas water heaters |
Oct. 20, 1987 |
| 4664096 |
Oil and gas water heater |
May. 12, 1987 |
| 4593654 |
Combustion and feedwater controller for a flash boiler |
Jun. 10, 1986 |
| 4558818 |
Batch-type water heating apparatus |
Dec. 17, 1985 |
| 4515307 |
Hot water control system |
May. 7, 1985 |
| 4498622 |
Quick recovery heat pump water heater |
Feb. 12, 1985 |
| 4371779 |
Energy saving water heater control circuit |
Feb. 1, 1983 |
| 4364512 |
Zone heat control |
Dec. 21, 1982 |
| 4127085 |
Automatic hot water heater |
Nov. 28, 1978 |
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