Inventor · disambiguated record
Robert G. Petrushka
Also filed as: PETRUSHKA ROBERT G
4 granted patents·53 citations·filing 1980–1991
76Inventor score
Top patents by PatentIndex Score
4 records- 0173US4277279AMethod and apparatus for dispensing a fluidized stream of particulate materialJONES & LAUGHLIN STEEL CORP·Filed 1980·Granted Jul 7, 1981·13 cites·20 claims
- 0269US5203909AMethod and apparatus for slag free castingLTV STEEL CO INC·Filed 1991·Granted Apr 20, 1993·25 cites·28 claims
- 0367US4341554AProcess for desulfurizing steelJONES & LAUGHLIN STEEL INC·Filed 1981·Granted Jul 27, 1982·9 cites·8 claims
- 0449US5067552AShrouding for top pouring of ingotsLTV STEEL CO INC·Filed 1989·Granted Nov 26, 1991·6 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →