Assignee
BURKHARDT HOLGER
DE·2 granted patents·1 pending application·5 citations·filing 2008–2012
Top patents by PatentIndex Score
3 records- 0151US8449219B2Water-storage and water-purification systemBURKHARDT HOLGER·Filed 2008·Granted May 28, 2013·3 cites·13 claims
- 0249US8256989B2Water-storage and water-purification systemBURKHARDT HOLGER·Filed 2010·Granted Sep 4, 2012·2 cites·38 claims
- 0336US2014013744A1Underground water-management system for minesBURKHARDT HOLGER·Filed 2012·Application pending·0 cites
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