Inventor · disambiguated record
Johann Hansmann
Also filed as: HANSMANN JOHANN
22 granted patents·447 citations·filing 1981–1989
96Inventor score
Technology areasE01B
Top patents by PatentIndex Score
22 records- 0195US4391134AMeasuring apparatus for rail head running surface irregularitiesPLASSER BAHNBAUMASCH FRANZ·Filed 1981·Granted Jul 5, 1983·90 cites·13 claims
- 0269US4809617ABox carPLASSER BAHNBAUMASCH FRANZ·Filed 1987·Granted Mar 7, 1989·30 cites·7 claims
- 0367US4911599AMobile installation for loading, transporting and unloadingPLASSER BAHNBAUMASCH FRANZ·Filed 1989·Granted Mar 27, 1990·29 cites·7 claims
- 0465US4809614AMobile tie gang apparatusPLASSER BAHNBAUMASCH FRANZ·Filed 1988·Granted Mar 7, 1989·27 cites·20 claims
- 0564US4922828ABallast tamping toolPLASSER BAHNBAUMASCH FRANZ·Filed 1988·Granted May 8, 1990·26 cites·10 claims
- 0664US4794861ATie exchange methodPLASSER BAHNBAUMASCH FRANZ·Filed 1987·Granted Jan 3, 1989·20 cites·12 claims
- 0763US4983801ARail tensioning apparatusPLASSER BAHNBAUMASCH FRANZ·Filed 1989·Granted Jan 8, 1991·25 cites·26 claims
- 0861US4829907AMobile installation for loading, transporting and unloading as well as exchanging railroad tiesPLASSER BAHNBAUMASCH FRANZ·Filed 1987·Granted May 16, 1989·18 cites·20 claims
- 0954US4955302AMobile tie gang apparatusPLASSER BAHNBAUMASCH FRANZ·Filed 1989·Granted Sep 11, 1990·18 cites·4 claims
- 1053US4627360AMobile track leveling, lining and tamping machinePLASSER BAHNBAUMASCH FRANZ·Filed 1984·Granted Dec 9, 1986·16 cites·10 claims
- 1152US4445438ABallast tamping tool unitPLASSER BAHNBAUMASCH FRANZ·Filed 1982·Granted May 1, 1984·15 cites·5 claims
- 1251US4884509AMobile tie gang apparatusFRANZ PLASSER BANNBAUMASCHINEN·Filed 1989·Granted Dec 5, 1989·15 cites·28 claims
- 1351US4644868AContinuously advancing track leveling, lining and tamping machinePLASSER BAHNBAUMASCH FRANZ·Filed 1984·Granted Feb 24, 1987·14 cites·21 claims
- 1450US4955301ATie exchange machinePLASSER BAHNBAUMASCH FRANZ·Filed 1989·Granted Sep 11, 1990·16 cites·21 claims
- 1548US5046270AMobile ballast clearing and planing machinePLASSER BAHNBAUMASCH FRANZ·Filed 1989·Granted Sep 10, 1991·16 cites·12 claims
- 1648US4928599AContinuously advancing track leveling, lining and tamping machinePLASSER BAHNBAUMASCH FRANZ·Filed 1989·Granted May 29, 1990·16 cites·13 claims
- 1748US4632037AMoble track leveling, lining and tamping machinePLASSER BAHNBAUMASCH FRANZ·Filed 1984·Granted Dec 30, 1986·13 cites·17 claims
- 1846US4430946AMobile machine and method for compacting ballastPLASSER BAHNBAUMASCH FRANZ·Filed 1981·Granted Feb 14, 1984·12 cites·21 claims
- 1942US4497256AMobile track position correction machinePLASSER BAHNBAUMASCH FRANZ·Filed 1983·Granted Feb 5, 1985·12 cites·21 claims
- 2038US4630541AMobile track leveling, lining and tamping machinePLASSER BAHNBAUMASCH FRANZ·Filed 1984·Granted Dec 23, 1986·7 cites·20 claims
- 2135US4490947AMobile rail grinding machinePLASSER BAHNBAUMASCH FRANZ·Filed 1982·Granted Jan 1, 1985·5 cites·4 claims
- 2234US4528912ATrack leveling methodPLASSER BAHNBAUMASCH FRANZ·Filed 1983·Granted Jul 16, 1985·7 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Johann Hansmann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →