Assignee
HEPPE STEPHEN
US·4 granted patents·52 citations·filing 2011–2012
Top patents by PatentIndex Score
4 records- 0193US8678309B2Lifting gas replenishment in a tethered airship systemHEPPE STEPHEN·Filed 2011·Granted Mar 25, 2014·19 cites·22 claims
- 0291US8668161B2Systems and methods for long endurance stratospheric operationsHEPPE STEPHEN·Filed 2011·Granted Mar 11, 2014·18 cites·21 claims
- 0367US9623949B2Systems and methods for long endurance airship operationsHEPPE STEPHEN·Filed 2011·Granted Apr 18, 2017·12 cites·12 claims
- 0463US9522733B2Airship launch from a cargo airshipHEPPE STEPHEN·Filed 2012·Granted Dec 20, 2016·3 cites·27 claims
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