Assignee
HYDROTILE CANADA
5 granted patents·56 citations·filing 1976–1979
Technology mixB28B5
Top patents by PatentIndex Score
5 records- 0173US4118165APackerhead pipe making machineHYDROTILE CANADA·Filed 1976·Granted Oct 3, 1978·20 cites·46 claims
- 0256US4226568APallet PositionerHYDROTILE CANADA·Filed 1978·Granted Oct 7, 1980·11 cites·17 claims
- 0354US4253814APackerhead and core control systemHYDROTILE CANADA·Filed 1979·Granted Mar 3, 1981·11 cites·36 claims
- 0447US4248580AStructure for directing concrete to pipe jacketHYDROTILE CANADA·Filed 1978·Granted Feb 3, 1981·8 cites·16 claims
- 0542US4134568APlural molds with common actuating meansHYDROTILE CANADA·Filed 1977·Granted Jan 16, 1979·6 cites·44 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →