Assignee
NITTETSU STEEL DRUM CO LTD
JP·6 granted patents·69 citations·filing 1979–1989
Top patents by PatentIndex Score
6 records- 0173US4392295AMethod and apparatus for forming drum seamNITTETSU STEEL DRUM CO LTD·Filed 1981·Granted Jul 12, 1983·37 cites·9 claims
- 0249US4540323AMetal containers and their manufacturing method and apparatusNITTETSU STEEL DRUM CO LTD·Filed 1984·Granted Sep 10, 1985·11 cites·4 claims
- 0337US4705184AMetal containers with seam holding end closure thereonNITTETSU STEEL DRUM CO LTD·Filed 1985·Granted Nov 10, 1987·7 cites·7 claims
- 0427US4543025AMetal containers - their manufacturing methodsNITTETSU STEEL DRUM CO LTD·Filed 1983·Granted Sep 24, 1985·6 cites·7 claims
- 0523US4994129AMethod and apparatus for temporarily covering openings of containersNITTETSU STEEL DRUM CO LTD·Filed 1989·Granted Feb 19, 1991·6 cites·23 claims
- 0614US4235359AApparatus for welding fittings to a containerNITTETSU STEEL DRUM CO LTD·Filed 1979·Granted Nov 25, 1980·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →