Walter; Douglas P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Walter; Douglas P..The latest application filed is for "method and apparatus for treating potable water in municipal and similar water tanks".

Company Profile

0.10.8

Walter; Douglas P. - Dickinson ND
Walter; Douglas P. - Longmont CO

*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
Method And Apparatus For Treating Potable Water In Municipal And Similar Water Tanks App 20180305224 - Simnioniw; Corey M. ; et al.	2018-10-25
Submersible water circulation system for enclosed tanks Grant 10,054,124 - Walter , et al. August 21, 2	2018-08-21
Method and apparatus for treating potable water in municipal and similar water tanks Grant 10,029,924 - Simnioniw , et al. July 24, 2	2018-07-24
Submersible Water Circulation System For Enclosed Tanks App 20170321669 - Walter; Douglas P. ; et al.	2017-11-09
Submersible water circulation system for enclosed tanks Grant 9,726,162 - Walter , et al. August 8, 2	2017-08-08
Air-powered water circulation systems for ponds, lakes, municipal water tanks, and other bodies of water Grant 9,586,184 - Bleth , et al. March 7, 2	2017-03-07
Air-powered Water Circulation Systems For Ponds, Lakes, Municipal Water Tanks, And Other Bodies Of Water App 20150108054 - Bleth; Joel J. ; et al.	2015-04-23
Submersible Water Circulation System For Enclosed Tanks App 20150101691 - Walter; Douglas P. ; et al.	2015-04-16
Submersible water circulation system for enclosed tanks Grant 8,911,219 - Walter , et al. December 16, 2	2014-12-16
Method And Apparatus For Treating Potable Water In Municipal And Similar Water Tanks App 20140224747 - Simnioniw; Corey M. ; et al.	2014-08-14
Water circulation systems with air stripping arrangements for municipal water tanks, ponds, and other potable bodies of water Grant 8,523,984 - Simnioniw , et al. September 3, 2	2013-09-03
Submersible Water Circulation System For Enclosed Tanks App 20130068326 - Walter; Douglas P. ; et al.	2013-03-21
Submersible, circulation system for relatively small bodies of water such as a small pond Grant 8,226,292 - Walter , et al. July 24, 2	2012-07-24
Water Circulation Systems With Air Stripping Arrangements For Municipal Water Tanks, Ponds, And Other Potable Bodies Of Water App 20120067799 - Simnioniw; Corey M. ; et al.	2012-03-22
Automatic closed tube sampler Grant 5,861,563 - Boyd , et al. January 19, 1	1999-01-19

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