Assignee
DHV RAADGEVEND ING
NL·7 granted patents·134 citations·filing 1979–1991
Top patents by PatentIndex Score
7 records- 0168US4389317AProcess for chemical reduction of the phosphate content of waterDHV RAADGEVEND ING·Filed 1981·Granted Jun 21, 1983·38 cites·2 claims
- 0265US4861493AProcess for the removal of metals, in particular heavy metals, from waste waterDHV RAADGEVEND ING·Filed 1988·Granted Aug 29, 1989·29 cites·7 claims
- 0362US4764284AProcess for removing of heavy metal from water in particular from waste waterDHV RAADGEVEND ING·Filed 1986·Granted Aug 16, 1988·26 cites·8 claims
- 0447US4261117ADredging vesselDHV RAADGEVEND ING·Filed 1979·Granted Apr 14, 1981·13 cites·5 claims
- 0540US5106509AProcess for the removal of fluoride from waste waterDHV RAADGEVEND ING·Filed 1991·Granted Apr 21, 1992·10 cites·3 claims
- 0636US4260284AFilter tube for drain purposesDHV RAADGEVEND ING·Filed 1979·Granted Apr 7, 1981·12 cites·10 claims
- 0729US4741869AApparatus for contacting a gas with a liquid, in particular for aerating waste waterDHV RAADGEVEND ING·Filed 1986·Granted May 3, 1988·6 cites·19 claims
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