Assignee
SUNSTONE TECH LLC
US·5 granted patents·1 pending application·33 citations·filing 2013–2017
Top patents by PatentIndex Score
6 records- 0193US9845645B2Tapered spline connection for drill pipe, casing, and tubingSUNSTONE TECH LLC·Filed 2013·Granted Dec 19, 2017·17 cites·12 claims
- 0293US9540898B2Annular drilling deviceSUNSTONE TECH LLC·Filed 2015·Granted Jan 10, 2017·9 cites·25 claims
- 0381US10066446B2Tapered spline connection for drill pipe, casing, and tubingSUNSTONE TECH LLC·Filed 2017·Granted Sep 4, 2018·3 cites·9 claims
- 0478US10060197B2Tapered spline connection for drill pipe, casing, and tubingSUNSTONE TECH LLC·Filed 2014·Granted Aug 28, 2018·4 cites·25 claims
- 0552US10006255B2Tapered spline connection for drill pipe, casing, and tubingSUNSTONE TECH LLC·Filed 2016·Granted Jun 26, 2018·0 cites·16 claims
- 0652US2017089164A1Annular Drilling DeviceSUNSTONE TECH LLC·Filed 2016·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →