Inventor · disambiguated record

Helmut Hopmann

Also filed as: HOPMANN HELMUT

2 granted patents·37 citations·filing 1979–1980

64Inventor score

Technology areasE21B Y10S

Files withMESSERSCHMITT BOELKOW BLOHM2

Top patents by PatentIndex Score

2 records

0161US4301875AMethod for making holes and producing gas in coal seamsMESSERSCHMITT BOELKOW BLOHM·Filed 1979·Granted Nov 24, 1981·17 cites·8 claims
0250US4304308ABurner apparatus for making holes in coal seamsMESSERSCHMITT BOELKOW BLOHM·Filed 1980·Granted Dec 8, 1981·20 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →