Inventor · disambiguated record
Alfred Bollmann
Also filed as: BOLLMANN ALFRED
4 granted patents·20 citations·filing 1979–1992
72Inventor score
Top patents by PatentIndex Score
4 records- 0143US4309131AMine roof supportBOCHUMER EISEN HEINTZMANN·Filed 1980·Granted Jan 5, 1982·6 cites·15 claims
- 0235US4280734AArrangement for controlled engagement of the tools of a mining machine with a mine faceBOCHUMER EISEN HEINTZMANN·Filed 1979·Granted Jul 28, 1981·3 cites·12 claims
- 0333US4252477AMine roof supportBOCHUMER EISEN HEINTZMANN·Filed 1979·Granted Feb 24, 1981·3 cites·7 claims
- 0425US5190414AWalking prop for mine tunnelsSTREBTECHNIK BOCHUM GMBH & CO·Filed 1992·Granted Mar 2, 1993·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →