Assignee
PELT & HOOYKAAS
NL·23 granted patents·400 citations·filing 1978–1994
Top patents by PatentIndex Score
23 records- 0191US5430235AFixant for mixed organic and inorganic contaminated materials and method for using samePELT & HOOYKAAS·Filed 1992·Granted Jul 4, 1995·72 cites·19 claims
- 0279US5347077AToxic waste fixant and method for using samePELT & HOOYKAAS·Filed 1992·Granted Sep 13, 1994·32 cites·17 claims
- 0376US5457272AMethod for capturing ecologically harmful substances from material polluted with such substancesPELT & HOOYKAAS·Filed 1994·Granted Oct 10, 1995·35 cites·11 claims
- 0475US5393342ACement composition and method for the preparation thereofPELT & HOOYKAAS·Filed 1994·Granted Feb 28, 1995·31 cites·14 claims
- 0573US4601832AMethod of processing waste materials, particularly sludge containing noxious metalsPELT & HOOYKAAS·Filed 1985·Granted Jul 22, 1986·37 cites·9 claims
- 0671US5498285AProcess for the synthesis of a layered, clay-like material as well as its usePELT & HOOYKAAS·Filed 1993·Granted Mar 12, 1996·29 cites·13 claims
- 0765US5067981AMethod for rendering toxic waste harmlessPELT & HOOYKAAS·Filed 1989·Granted Nov 26, 1991·21 cites·11 claims
- 0862US5478392APorous granulated steel slag composition and use of such as aggregate or cement replacement in building materials, road building and embankmentPELT & HOOYKAAS·Filed 1994·Granted Dec 26, 1995·13 cites·10 claims
- 0961US5372729AMethod for fixing waste materialPELT & HOOYKAAS·Filed 1992·Granted Dec 13, 1994·15 cites·6 claims
- 1054US5028338AProcess for immobilizing environmentally noxious metals and organic substancesPELT & HOOYKAAS·Filed 1990·Granted Jul 2, 1991·12 cites·9 claims
- 1154US4741629AGas bearing and bearing part and bearing material suitable for such a gas bearingPELT & HOOYKAAS·Filed 1986·Granted May 3, 1988·13 cites·7 claims
- 1253US5376283AFixant and matrix for fixing toxic organic compounds in waste materialPELT & HOOYKAAS·Filed 1991·Granted Dec 27, 1994·11 cites·7 claims
- 1349US4272293AProcedure for the treatment of combined wet filter cakesPELT & HOOYKAAS·Filed 1978·Granted Jun 9, 1981·10 cites·22 claims
- 1448US5429751AMethod for immobilizing material contaminated with heavy metal ions, a fixant for immobilizing heavy metal ions and a matrixPELT & HOOYKAAS·Filed 1994·Granted Jul 4, 1995·9 cites·7 claims
- 1548US4317684AProcess of converting polluting particles, emitted in chemical or physical processes, into harmless substancesPELT & HOOYKAAS·Filed 1979·Granted Mar 2, 1982·8 cites·12 claims
- 1646US5304706AFixing agent for fixing organic and inorganic impurities containing material, method for fixing such material and a synthetic clay materialPELT & HOOYKAAS·Filed 1993·Granted Apr 19, 1994·14 cites·25 claims
- 1743US4764216AMethod of converting particles liberated in chemical or physical processes into a harmless form by mixing with a molten silicate-containing materialPELT & HOOYKAAS·Filed 1985·Granted Aug 16, 1988·8 cites·9 claims
- 1839US4953989AGas bearing part, and device provided with such a gas bearing partPELT & HOOYKAAS·Filed 1989·Granted Sep 4, 1990·8 cites·11 claims
- 1939US4509986AComposition obtained by mixing fly ash, oxisludge and phosphogypsumPELT & HOOYKAAS·Filed 1983·Granted Apr 9, 1985·6 cites·9 claims
- 2039US4198450ACoating pipes and receptacles with a weighting layer or mass of steel slag aggregatePELT & HOOYKAAS·Filed 1978·Granted Apr 15, 1980·8 cites·1 claims
- 2137US4713223AMethod of processing an iron-containing dust obtained in the preparation of iron or steelPELT & HOOYKAAS·Filed 1986·Granted Dec 15, 1987·3 cites·13 claims
- 2234US4398956AProcess for treating moist compositions containing pollution-causing substancesPELT & HOOYKAAS·Filed 1981·Granted Aug 16, 1983·4 cites·10 claims
- 2329US4385657AProcess for and apparatus for recovering energyPELT & HOOYKAAS·Filed 1980·Granted May 31, 1983·1 cites·16 claims
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