Assignee
MA CHENGGUO
CN·3 granted patents·0 citations·filing 2008–2019
Top patents by PatentIndex Score
3 records- 0141US9435564B2Convective heat transfer flueMA CHENGGUO·Filed 2014·Granted Sep 6, 2016·0 cites·4 claims
- 0232US8051786B2Stoker grates for circulating combustible materialMA CHENGGUO·Filed 2008·Granted Nov 8, 2011·0 cites·15 claims
- 0328US12449125B2Heat exchange flue and heat exchange deviceMA CHENGGUO·Filed 2019·Granted Oct 21, 2025·0 cites·14 claims
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