William B. Astle Jr.

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Leominster, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Heating with a moving heat sink
- Patent number 5,562,089
- Issue date Oct 8, 1996
- William B. Astle
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Regulating the humidity of a heated space by varying the amount of...
- Patent number 5,184,600
- Issue date Feb 9, 1993
- William B. Astle
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Efficient gas hot-air furnace and heating process
- Patent number 5,005,556
- Issue date Apr 9, 1991
- William B. Astle
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Reciprocating heat exchanger
- Patent number 4,754,806
- Issue date Jul 5, 1988
- William B. Astle
- F28 - HEAT EXCHANGE IN GENERAL