Individual holder
BURKHART DAVID J
US·4 granted patents·1 pending application·51 citations·filing 2008–2014
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0186US8720591B2Controlled discharge gas ventBURKHART DAVID J·Filed 2009·Granted May 13, 2014·17 cites·16 claims
- 0285US9144700B2Fire protection systems having reduced corrosionBURKHART DAVID J·Filed 2008·Granted Sep 29, 2015·14 cites·9 claims
- 0384US9610466B2Controlled discharge gas ventBURKHART DAVID J·Filed 2014·Granted Apr 4, 2017·7 cites·42 claims
- 0478US8636023B2Automatic air vent for fire suppression wet pipe system and method of venting a fire suppression wet pipe systemBURKHART DAVID J·Filed 2009·Granted Jan 28, 2014·13 cites·20 claims
- 0552US2013098640A1High nitrogen and other inert gas anti-corrosion protection in wet pipe fire protection systemBURKHART DAVID J·Filed 2011·Application pending·0 cites
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