Assignee
KERR CONCRETE PIPE COMPANY
US·2 granted patents·18 citations·filing 1979–1980
Technology mixB28B2
Top patents by PatentIndex Score
2 records- 0150US4406605AApparatus for forming concrete pipe of uniform density including control means to vary feed rate of concrete/aggregate as function of packerhead torqueKERR CONCRETE PIPE COMPANY·Filed 1980·Granted Sep 27, 1983·13 cites·24 claims
- 0237US4336013AApparatus for forming concrete articles of uniform densityKERR CONCRETE PIPE COMPANY·Filed 1979·Granted Jun 22, 1982·5 cites·3 claims
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