Assignee
ZHAO YONGGAO
CN·2 granted patents·1 pending application·5 citations·filing 1989–2010
Top patents by PatentIndex Score
3 records- 0140US2010258552A1Polytetrafluoroethylene Heating Product and Its Manufacturing MethodZHAO YONGGAO·Filed 2008·Application pending·0 cites
- 0234US8878107B2Multi-level and vertical assembling type PTFE heater and methods of manufacture thereofZHAO YONGGAO·Filed 2010·Granted Nov 4, 2014·0 cites·3 claims
- 0322US4974303AAnticorrosive product lined with polytetrafluorothylene and the method for making the sameZHAO YONGGAO·Filed 1989·Granted Dec 4, 1990·5 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →