Burkhart; David J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Burkhart; David J..The latest application filed is for "fire protection systems having reduced corrosion".

Company Profile

2.14.18

Burkhart; David J. - Wentzville MO
BURKHART; David J. - St. Louis MO US
Burkhart; David J. - Wentzille MO
Burkhart; David J. - Spokane Valley WA US
Burkhart; David J. - Spokane WA

*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
Controlled discharge gas vent Grant 10,420,970 - Burkhart , et al. Sept	2019-09-24
Fire Protection Systems Having Reduced Corrosion App 20190143161 - Burkhart; David J. ; et al.	2019-05-16
Fire Protection Systems Having Reduced Corrosion App 20180250540 - KOCHELEK; Jeffrey T. ; et al.	2018-09-06
Controlled Discharge Gas Vent App 20170173375 - Burkhart; David J. ; et al.	2017-06-22
Controlled discharge gas vent Grant 9,610,466 - Burkhart , et al. April 4, 2	2017-04-04
Fire Protection Systems Having Reduced Corrosion App 20160008644 - KOCHELEK; Jeffrey T. ; et al.	2016-01-14
Fire protection systems having reduced corrosion Grant 9,186,533 - Kochelek , et al. November 17, 2	2015-11-17
Fire protection systems having reduced corrosion Grant 9,144,700 - Burkhart , et al. September 29, 2	2015-09-29
Fire Protection Systems Having Reduced Corrosion App 20150265866 - KOCHELEK; Jeffrey T. ; et al.	2015-09-24
Fire protection sprinkler system with oxygen corrosion sensitive coupon assembly and method of monitoring corrosion in a fire protection sprinkler system Grant 8,893,813 - Kochelek , et al. November 25, 2	2014-11-25
Controlled Discharge Gas Vent App 20140202714 - Burkhart; David J. ; et al.	2014-07-24
Automatic Air Vent For Fire Suppression Wet Pipe System And Method Of Venting A Fire Suppression Wet Pipe System App 20140182702 - Burkhart; David J. ; et al.	2014-07-03
Controlled discharge gas vent Grant 8,720,591 - Burkhart , et al. May 13, 2	2014-05-13
Automatic air vent for fire suppression wet pipe system and method of venting a fire suppression wet pipe system Grant 8,636,023 - Burkhart , et al. January 28, 2	2014-01-28
High Nitrogen And Other Inert Gas Anti-corrosion Protection In Wet Pipe Fire Protection System App 20130098640 - Burkhart; David J. ; et al.	2013-04-25
Methods of treating cancer with doxazolidine and prodrugs thereof Grant 8,404,650 - Koch , et al. March 26, 2	2013-03-26
Fire Protection Sprinkler System With Oxygen Corrosion Sensitive Coupon Assembly And Method Of Monitoring Corrosion In A Fire Protection Sprinkler System App 20120031629 - Kochelek; Jeffrey T. ; et al.	2012-02-09
High Nitrogen And Other Inert Gas Anti-corrosion Protection In Wet Pipe Fire Protection System App 20110226495 - Burkhart; David J. ; et al.	2011-09-22
Methods Of Treating Cancer With Doxazolidine And Prodrugs Thereof App 20110135618 - Koch; Tad H. ; et al.	2011-06-09
Automatic Air Vent For Fire Suppression Wet Pipe System And Method Of Venting A Fire Suppression Wet Pipe System App 20110108123 - Burkhart; David J. ; et al.	2011-05-12
Controlled Discharge Gas Vent App 20110094758 - Burkhart; David J. ; et al.	2011-04-28
Fire Protection Systems Having Reduced Corrosion App 20100065287 - Burkhart; David J. ; et al.	2010-03-18
Targeted Drug-Formaldehyde Conjugates and Methods of Making and Using the Same App 20070275911 - Koch; Tad H. ; et al.	2007-11-29

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