Chengguo Ma

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Shuangyashan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Convective heat transfer flue
- Patent number 9,435,564
- Issue date Sep 6, 2016
- Chengguo Ma
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Stoker grates for circulating combustible material
- Patent number 8,051,786
- Issue date Nov 8, 2011
- Chengguo Ma
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

Information Patent Application
Convective Heat Transfer Flue
- Publication number 20160169554
- Publication date Jun 16, 2016
- Chengguo Ma
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Stoker grates for circulating combustible material
- Publication number 20080156238
- Publication date Jul 3, 2008
- Chengguo Ma
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Stoker grates for circulating burning-up
- Publication number 20050199163
- Publication date Sep 15, 2005
- Chengguo Ma
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES