Inventor · disambiguated record
David H. Manz
Also filed as: MANZ DAVID H · MANZ DAVID HAROLD
3 granted patents·3 pending applications·111 citations·filing 1997–2007
75Inventor score
Top patents by PatentIndex Score
6 records- 0171US5904855AClosed chemically enhanced treatment systemMANZ DAVID H·Filed 1997·Granted May 18, 1999·60 cites·25 claims
- 0267US6123858ASlow sand filter for use with intermittently flowing water supply and method of use thereofUNIV TECHNOLOGIES INT·Filed 1998·Granted Sep 26, 2000·31 cites·17 claims
- 0350US5993672ASlow sand filter for use with intermittently flowing water supply and method of use thereofUNIV TECHNOLOGIES INT·Filed 1997·Granted Nov 30, 1999·20 cites·4 claims
- 0443US2010072118A1Low operating head polishing sand filterOASIS FILTER LTD·Filed 2007·Application pending·0 cites
- 0541US2005098504A1Oil and gas well fracturing (frac) water treatment processDAVNOR WATER TREAT TECHNOLOGIE·Filed 2004·Application pending·0 cites
- 0636US2004112836A1Oil and gas well fracturing (frac) water treatment processFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →