Stephens; Douglas A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Stephens; Douglas A..The latest application filed is for "methods and systems for overcurrent protection in a fire pump control system".

Company Profile

1.8.8

Stephens; Douglas A. - Cary NC

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods and systems for overcurrent protection in a fire pump control system Grant 10,406,392 - Stephens Sept	2019-09-10
Systems and methods of controlling pressure maintenance pumps and data logging pump operations Grant 10,240,593 - Stephens	2019-03-26
Fire pump room system integrator Grant 10,179,256 - Stephens Ja	2019-01-15
Methods and Systems for Overcurrent Protection in a Fire Pump Control System App 20160375289 - Stephens; Douglas A.	2016-12-29
Dual redundancy in fire pump controllers Grant 9,482,220 - Stephens November 1, 2	2016-11-01
Methods and systems for monitoring a power supply for a fire pump motor Grant 9,453,505 - Stephens , et al. September 27, 2	2016-09-27
Fire Pump Room System Integrator App 20140303794 - Stephens; Douglas A.	2014-10-09
Methods and Systems for Monitoring a Power Supply for a Fire Pump Motor App 20130343910 - Stephens; Douglas A. ; et al.	2013-12-26
Dual Redundancy in Fire Pump Controllers App 20130343911 - Stephens; Douglas A.	2013-12-26
Systems and Methods of Controlling Pressure Maintenance Pumps and Data Logging Pump Operations App 20120230846 - Stephens; Douglas A.	2012-09-13

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