using mechanical means

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Patents Grantslast 30 patents

Information Patent Grant
Combustion device capable of measuring gas use amount, and method f...
- Patent number 10,955,137
- Issue date Mar 23, 2021
- Kyungdong Navien Co., Ltd.
- Si Hwan Kim
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Water heater
- Patent number 8,267,051
- Issue date Sep 18, 2012
- Rinnai Corporation
- Masakazu Ando
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Mechanical draft controller with vent damper
- Patent number 4,437,454
- Issue date Mar 20, 1984
- Johnson Service Company
- Thomas E. Hayes
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Control for heating apparatus
- Patent number 4,189,295
- Issue date Feb 19, 1980
- Naamloze Vennootschap A. Claeys-Flandria
- Noel A. Ramon
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
1788582
- Patent number 1,788,582
- Issue date Jan 13, 1931
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1764536
- Patent number 1,764,536
- Issue date Jun 17, 1930
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1353844
- Patent number 1,353,844
- Issue date Sep 28, 1920
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES