Assignee
SONG ZHANGGEN
1 granted patent·2 pending applications·3 citations·filing 2007–2022
Top patents by PatentIndex Score
3 records- 0142US7891711B2Revolving compensator of high pressure for pipeSONG ZHANGGEN·Filed 2007·Granted Feb 22, 2011·3 cites·4 claims
- 0240US2025216011A1Internal pressure self-sealing rotary compensatorSONG ZHANGGEN·Filed 2022·Application pending·0 cites
- 0339US2025382938A1Efficient hydrokinetic rotating disc generator setSONG ZHANGGEN·Filed 2022·Application pending·0 cites
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