Assignee
BALLAST NEDAM GROEP NV
23 granted patents·477 citations·filing 1975–1984
Top patents by PatentIndex Score
23 records- 0195US4123365AOil-water separatorBALLAST NEDAM GROEP NV·Filed 1977·Granted Oct 31, 1978·116 cites·2 claims
- 0292US4202778ASeparating deviceBALLAST NEDAM GROEP NV·Filed 1978·Granted May 13, 1980·73 cites·5 claims
- 0382US4145280AMethod and device for separating a mixtureBALLAST NEDAM GROEP NV·Filed 1977·Granted Mar 20, 1979·46 cites·23 claims
- 0471US4418484AMethod of dredging and dredging implementBALLAST NEDAM GROEP NV·Filed 1980·Granted Dec 6, 1983·29 cites·10 claims
- 0570US4123859AShock absorbing system for suction dredgersBALLAST NEDAM GROEP NV·Filed 1976·Granted Nov 7, 1978·20 cites·7 claims
- 0659US4204347ADevice for cutting loose hard ground materialBALLAST NEDAM GROEP NV·Filed 1978·Granted May 27, 1980·13 cites·15 claims
- 0759US4084334ASuction dredge with swell compensating ladder mountBALLAST NEDAM GROEP NV·Filed 1976·Granted Apr 18, 1978·13 cites·14 claims
- 0858US4374420AMethod of accurately dredging a desired profile contourBALLAST NEDAM GROEP NV·Filed 1980·Granted Feb 15, 1983·17 cites·7 claims
- 0952US4397587AMethod of constructing an artificial island and island constructed by the sameBALLAST NEDAM GROEP NV·Filed 1980·Granted Aug 9, 1983·16 cites·5 claims
- 1052US4059526ADevice for collecting light-weight substances floating on a liquid surfaceBALLAST NEDAM GROEP NV·Filed 1976·Granted Nov 22, 1977·12 cites·9 claims
- 1146US4046691AMethod for collecting light-weight substance floating on a liquid surfaceBALLAST NEDAM GROEP NV·Filed 1976·Granted Sep 6, 1977·15 cites·3 claims
- 1244US4138342ADevice for separating water from substances contained thereinBALLAST NEDAM GROEP NV·Filed 1977·Granted Feb 6, 1979·11 cites·30 claims
- 1344US4123860AFlexible connections for suction dredger pipesBALLAST NEDAM GROEP NV·Filed 1977·Granted Nov 7, 1978·13 cites·5 claims
- 1443US4265759ADevice for separating a mixtureBALLAST NEDAM GROEP NV·Filed 1980·Granted May 5, 1981·17 cites·8 claims
- 1541US4722635AMethod and device for compacting soilBALLAST NEDAM GROEP NV·Filed 1984·Granted Feb 2, 1988·9 cites·15 claims
- 1638US4162102AMethod and device for loosening stony soilBALLAST NEDAM GROEP NV·Filed 1977·Granted Jul 24, 1979·10 cites·8 claims
- 1738US4083133ASwingable water and slush tube assembly for suction dredgersBALLAST NEDAM GROEP NV·Filed 1976·Granted Apr 11, 1978·10 cites·17 claims
- 1838US4020573AMethod and device for sucking up a solid substance from a stockBALLAST NEDAM GROEP NV·Filed 1975·Granted May 3, 1977·8 cites·21 claims
- 1934US4449720AWatertight seal between two concrete elementsBALLAST NEDAM GROEP NV·Filed 1981·Granted May 22, 1984·10 cites·5 claims
- 2034US4126552AMethod for collecting light-weight substances floating on a liquid surfaceBALLAST NEDAM GROEP NV·Filed 1977·Granted Nov 21, 1978·4 cites·1 claims
- 2131US4505214ADredged soil conveying vesselBALLAST NEDAM GROEP NV·Filed 1980·Granted Mar 19, 1985·6 cites·8 claims
- 2229US4083135AFlexible connecting arrangement for suction dredgersBALLAST NEDAM GROEP NV·Filed 1976·Granted Apr 11, 1978·5 cites·7 claims
- 2326US4412790ABalanced supplemental water bleed for suction dredgersBALLAST NEDAM GROEP NV·Filed 1981·Granted Nov 1, 1983·4 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →