Individual holder
SCHWER JOHN W
US·5 granted patents·84 citations·filing 1982–2010
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0190US4447265AMethod and composition for foaming slag in electric arc furnaceSCHWER JOHN W·Filed 1983·Granted May 8, 1984·22 cites·10 claims
- 0287US4526349AMethod and article of manufacture for controlling slag carry-over during tapping of a heat in steelmakingSCHWER JOHN W·Filed 1983·Granted Jul 2, 1985·24 cites·5 claims
- 0376US4490173ASteelmaking additive compositionSCHWER JOHN W·Filed 1983·Granted Dec 25, 1984·17 cites·14 claims
- 0474US4417924ASteelmaking additive compositionSCHWER JOHN W·Filed 1982·Granted Nov 29, 1983·20 cites·18 claims
- 0571US8780952B2Roof system for electric arc furnace and method for manufacturing the sameSCHWER JOHN W·Filed 2010·Granted Jul 15, 2014·1 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →