Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4006066A | Method of and apparatus for the treatment of exhaust-gases in the electrolytic production of aluminum | GEA Group AG | Expired / Lapsed | 1975-01-22 | 1977-02-01 | 1995-01-22 | 0.0 yrs | 10 | |
| US3907971A | Method of removing HF from gases | GEA Group AG | Expired / Lapsed | 1971-11-15 | 1975-09-23 | 1991-11-15 | 0.0 yrs | 3 | |
| US3692618A | Continuous filament nonwoven web | GEA Group AG | Expired / Lapsed | 1969-10-09 | 1972-09-19 | 1989-10-09 | 0.0 yrs | 0 |