Inventor · disambiguated record
Robert H. Johns
Also filed as: JOHNS ROBERT H
14 granted patents·105 citations·filing 1974–1989
91Inventor score
Top patents by PatentIndex Score
14 records- 0184US4715428AMethod and apparatus for direct casting of crystalline strip by radiant coolingALLEGHENY LUDLUM CORP·Filed 1986·Granted Dec 29, 1987·21 cites·3 claims
- 0267US3981219APractice violin and bowJOHNS ROBERT H·Filed 1974·Granted Sep 21, 1976·15 cites·7 claims
- 0360US4678719AMethod and apparatus for continuous casting of crystalline stripALLEGHENY LUDLUM CORP·Filed 1986·Granted Jul 7, 1987·19 cites·29 claims
- 0456US4399860AApparatus for strip castingALLEGHENY LUDLUM STEEL·Filed 1980·Granted Aug 23, 1983·7 cites·34 claims
- 0550US4858327AApparatus for determining an edge profile of a metallic workpieceALLEGHENY LUDLUM CORP·Filed 1987·Granted Aug 22, 1989·6 cites·10 claims
- 0644US4335386ABifilar antenna trapJOHNS ROBERT H·Filed 1981·Granted Jun 15, 1982·10 cites·5 claims
- 0739US4334228ABifilar antenna trapJOHNS ROBERT H·Filed 1981·Granted Jun 8, 1982·8 cites·2 claims
- 0835US4897925AApparatus for determining surface profiles of metallic workpiecesALLEGHENY LUDLUM CORP·Filed 1987·Granted Feb 6, 1990·5 cites·10 claims
- 0934US4425565AMultiple resonant coil using distributed capacity between turnsJOHNS ROBERT H·Filed 1982·Granted Jan 10, 1984·5 cites·3 claims
- 1032US4768409AMethod and apparatus for servering thin stripALLEGHENY LUDLUM CORP·Filed 1985·Granted Sep 6, 1988·3 cites·15 claims
- 1132US4413262AMultiple frequency tuned circuitJOHNS ROBERT H·Filed 1981·Granted Nov 1, 1983·4 cites·4 claims
- 1229US4821285AThermocouple selection switchALLEGHENY LUDLUM CORP·Filed 1987·Granted Apr 11, 1989·1 cites·11 claims
- 1329US4330025ANozzle in a strip casting apparatusALLEGHENY LUDLUM STEEL·Filed 1980·Granted May 18, 1982·0 cites·2 claims
- 1423US4944495AMethod and apparatus for leveling a refractory bed surfaceALLEGHENY LUDLUM CORP·Filed 1989·Granted Jul 31, 1990·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →