Inventor · disambiguated record
Douglas P. Walter
Also filed as: WALTER DOUGLAS · WALTER DOUGLAS P
9 granted patents·1 pending application·249 citations·filing 1997–2018
87Inventor score
Top patents by PatentIndex Score
10 records- 0192US5959221AAutomatic closed tube samplerBAYER AG·Filed 1998·Granted Sep 28, 1999·183 cites·16 claims
- 0279US8226292B1Submersible, circulation system for relatively small bodies of water such as a small pondWALTER DOUGLAS P·Filed 2009·Granted Jul 24, 2012·12 cites·41 claims
- 0377US10029924B2Method and apparatus for treating potable water in municipal and similar water tanksMEDORA ENV INC·Filed 2013·Granted Jul 24, 2018·2 cites·18 claims
- 0477US8523984B2Water circulation systems with air stripping arrangements for municipal water tanks, ponds, and other potable bodies of waterSIMNIONIW COREY M·Filed 2011·Granted Sep 3, 2013·5 cites·31 claims
- 0575US5861563AAutomatic closed tube samplerBAYER AG·Filed 1997·Granted Jan 19, 1999·45 cites·42 claims
- 0670US9586184B2Air-powered water circulation systems for ponds, lakes, municipal water tanks, and other bodies of waterMEDORA ENV INC·Filed 2014·Granted Mar 7, 2017·1 cites·26 claims
- 0762US8911219B2Submersible water circulation system for enclosed tanksWALTER DOUGLAS P·Filed 2011·Granted Dec 16, 2014·1 cites·23 claims
- 0861US10054124B2Submersible water circulation system for enclosed tanksMEDORA ENV INC·Filed 2017·Granted Aug 21, 2018·0 cites·11 claims
- 0960US2018305224A1Method and apparatus for treating potable water in municipal and similar water tanksMEDORA ENV INC·Filed 2018·Application pending·0 cites
- 1058US9726162B2Submersible water circulation system for enclosed tanksMEDORA ENV INC·Filed 2014·Granted Aug 8, 2017·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →