Inventor · disambiguated record
Rolf Roggen
Also filed as: ROGGEN ROLF · WALT GUIDO
6 granted patents·104 citations·filing 1975–1989
83Inventor score
Top patents by PatentIndex Score
6 records- 0180US4172974AUnderwater welding apparatusBATTELLE MEMORIAL INSTITUTE·Filed 1977·Granted Oct 30, 1979·32 cites·13 claims
- 0280US4034567ASelf-drilling thermal boltBATTELLE MEMORIAL INSTITUTE·Filed 1975·Granted Jul 12, 1977·46 cites·7 claims
- 0349US4448661ADevice for measuring the bath temperature in a fused salt electrolytic cell used for the production of aluminumALUSUISSE·Filed 1983·Granted May 15, 1984·12 cites·12 claims
- 0440US4878375ADevice for measuring hydrogen concentration in an aluminum meltALUSUISSE·Filed 1989·Granted Nov 7, 1989·9 cites·15 claims
- 0539US4580768ADevice for feeding metal into a molten metal bathALUSUISSE·Filed 1985·Granted Apr 8, 1986·5 cites·3 claims
- 0626US4540434AProcess and device for feeding metal into a molten metal bathALUSUISSE·Filed 1984·Granted Sep 10, 1985·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →