Inventor · disambiguated record
Otto Braach
Also filed as: BRAACH OTTO
7 granted patents·76 citations·filing 1980–1988
86Inventor score
Technology areasE21D
Files withHOCHTIEF AG HOCH TIEFBAUTEN7
Top patents by PatentIndex Score
7 records- 0158US4436448AExcavating machine for tunnels and galleriesHOCHTIEF AG HOCH TIEFBAUTEN·Filed 1980·Granted Mar 13, 1984·12 cites·2 claims
- 0251US4789267AMethod of and apparatus for concrete tunnel liningHOCHTIEF AG HOCH TIEFBAUTEN·Filed 1987·Granted Dec 6, 1988·18 cites·14 claims
- 0343US4768898AProcess and apparatus for continuously lining a tunnel with extruded concreteHOCHTIEF AG HOCH TIEFBAUTEN·Filed 1987·Granted Sep 6, 1988·11 cites·7 claims
- 0441US4820458AProcess for continuously lining a tunnel with extruded concreteHOCHTIEF AG HOCH TIEFBAUTEN·Filed 1986·Granted Apr 11, 1989·10 cites·3 claims
- 0538US4687374AMethod of and apparatus for concrete tunnel liningHOCHTIEF AG HOCH TIEFBAUTEN·Filed 1986·Granted Aug 18, 1987·9 cites·6 claims
- 0634US4844656AEarth pressure shieldHOCHTIEF AG HOCH TIEFBAUTEN·Filed 1988·Granted Jul 4, 1989·7 cites·5 claims
- 0732US4848963AEarth pressure shieldHOCHTIEF AG HOCH TIEFBAUTEN·Filed 1988·Granted Jul 18, 1989·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →