Assignee
ZHUHAI VELOCITY OF SOUND TECHN
US·2 granted patents·38 citations·filing 2000–2000
Top patents by PatentIndex Score
2 records- 0176US6427724B2Apparatus for conserving thermal energy in a central heating systemZHUHAI VELOCITY OF SOUND TECHN·Filed 2000·Granted Aug 6, 2002·22 cites·5 claims
- 0269US6471489B2Supersonic 4-way self-compensating fluid entrainment deviceZHUHAI VELOCITY OF SOUND TECHN·Filed 2000·Granted Oct 29, 2002·16 cites·7 claims
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