Assignee
TONG PETROTECH INC
US·2 granted patents·1 pending application·28 citations·filing 2012–2014
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0189US9297242B2Structure for gunpowder charge in multi-frac composite perforating deviceTONG PETROTECH INC·Filed 2014·Granted Mar 29, 2016·24 cites·19 claims
- 0268US8943944B2Structure for gunpowder charge in multi-frac composite perforating devicesTONG PETROTECH INC·Filed 2012·Granted Feb 3, 2015·4 cites·9 claims
- 0337US2014053715A1Composite perforation device with scallops on the inner wallTONG PETROTECH INC·Filed 2012·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →