Assignee
BALFOUR BEATTY LTD
GB·5 granted patents·94 citations·filing 1977–1987
Top patents by PatentIndex Score
5 records- 0179US4384603AInflatable receptacleBALFOUR BEATTY LTD·Filed 1981·Granted May 24, 1983·39 cites·16 claims
- 0267US4273468ATunnelling shields and like moveable apparatusBALFOUR BEATTY LTD·Filed 1978·Granted Jun 16, 1981·27 cites·22 claims
- 0355US4169909AArtificial and natural structures impregnated by using a flexible, fluid impermeable coveringBALFOUR BEATTY LTD·Filed 1977·Granted Oct 2, 1979·13 cites·11 claims
- 0447US4174412AStructures and structural members made wholly or partly of woodBALFOUR BEATTY LTD·Filed 1977·Granted Nov 13, 1979·10 cites·14 claims
- 0518US4884922AFilling cracks in artificial and natural structuresBALFOUR BEATTY LTD·Filed 1987·Granted Dec 5, 1989·5 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →