DB

David T. Bardwell

KT Kx Technologies: 5 patents #13 of 61Top 25%
ES Ecowater Systems: 4 patents #10 of 63Top 20%
Overall (All Time): #508,582 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10035089 Filtration system Michael J. Sherman, Lori Foix, Steven J. Haehn, Erik R. Klimpel, David W. Fisher +4 more 2018-07-31
9937450 Filtration system Michael J. Sherman, Lori Foix, Steven J. Haehn, Erik R. Klimpel, David W. Fisher +4 more 2018-04-10
D755922 Filtration system Michael J. Sherman, Lori Foix, Steven J. Haehn, Erik R. Klimpel, David W. Fisher +4 more 2016-05-10
8951415 Filtration system Michael J. Sherman, Lori Foix, Steven J. Haehn, Erik R. Klimpel, David W. Fisher +4 more 2015-02-10
8945383 Filtration system Michael J. Sherman, Lori Foix, Steven J. Haehn, Erik R. Klimpel, David W. Fisher +4 more 2015-02-03
D465546 Water softener having a contoured and sloping lid Jeffrey Popowski, John E. Ziegenfuss 2002-11-12
D444087 Remote display unit for water treatment equipment to illustrate the operating status of the water treatment equipment Jim Johannsen, Mark Rolfes 2001-06-26
D439950 Single tank water softener Christine Fletcher, Christopher I. Hilgers, Kurt M. Taylor 2001-04-03
D437384 Brine tank for a two tank water softener Christine Fletcher, Christopher I. Hilgers, Kurt M. Taylor 2001-02-06
D304616 Medicament injector Kenneth W. Dunlap 1989-11-14