Assignee
LONGENECKER LEVI S
6 granted patents·71 citations·filing 1975–1981
Top patents by PatentIndex Score
6 records- 0183US3967048ADual ring supported roof for electric arc furnaceLONGENECKER LEVI S·Filed 1975·Granted Jun 29, 1976·19 cites·20 claims
- 0264US4328388AElectro furnace feeding and furnace fume utilization and controlLONGENECKER LEVI S·Filed 1980·Granted May 4, 1982·12 cites·19 claims
- 0363US4063028ASuspended roof for electric arc furnaceLONGENECKER LEVI S·Filed 1976·Granted Dec 13, 1977·12 cites·28 claims
- 0461US4199652AAir cooled electric arc furnaceLONGENECKER LEVI S·Filed 1979·Granted Apr 22, 1980·9 cites·21 claims
- 0559US4383678AElectric furnace scrap handling mill layoutLONGENECKER LEVI S·Filed 1981·Granted May 17, 1983·9 cites·20 claims
- 0658US4146742AElectric furnace having a side wall to roof smoke hole mountingLONGENECKER LEVI S·Filed 1978·Granted Mar 27, 1979·10 cites·26 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →