Assignee
EFCO INC
6 granted patents·83 citations·filing 1976–1995
Top patents by PatentIndex Score
6 records- 0173US4240778ASystem for providing for parallelism in fluid powered press or the likeEFCO INC·Filed 1979·Granted Dec 23, 1980·19 cites·22 claims
- 0272US5666838AForging press for use with automated multi-station transport systemEFCO INC·Filed 1995·Granted Sep 16, 1997·26 cites·19 claims
- 0351USD309463SForging pressEFCO INC·Filed 1988·Granted Jul 24, 1990·9 cites·1 claims
- 0450US4515551AClosed loop hydraulic/mechanical leveling systemEFCO INC·Filed 1984·Granted May 7, 1985·9 cites·17 claims
- 0544US4907436AStep forging pressEFCO INC·Filed 1988·Granted Mar 13, 1990·11 cites·14 claims
- 0643US4086832AApparatus for shearing a workpiece such as a metal bar or the likeEFCO INC·Filed 1976·Granted May 2, 1978·9 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →