Patent Explorer
Browse, filter, and analyze 12 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5141102A | Conveyor belt and system with a non-collapsing inside edge | Ashworth Bros Inc | Expired / Lapsed | 1991-12-19 | 1992-08-25 | 2011-12-19 | 0.0 yrs | 61 | |
| US4982833A | Exit rail assembly for helical conveyor belts | Ashworth Bros Inc | Expired / Lapsed | 1990-06-01 | 1991-01-08 | 2010-06-01 | 0.0 yrs | 20 | |
| US4940133A | Conveyor belt and system with a non-collapsing inside edge | Ashworth Bros Inc | Expired / Lapsed | 1988-07-27 | 1990-07-10 | 2008-07-27 | 0.0 yrs | 19 | |
| US4932925A | Link having a work-hardened area | Ashworth Bros Inc | Expired / Lapsed | 1989-07-21 | 1990-06-12 | 2009-07-21 | 0.0 yrs | 20 | |
| US4741430A | Positive drive helical conveyor system | Ashworth Bros Inc | Expired / Lapsed | 1985-09-27 | 1988-05-03 | 2005-09-27 | 0.0 yrs | 20 | |
| US4078655A | Small radius conveyor belt and conveying system | Ashworth Bros Inc | Expired / Lapsed | 1977-02-25 | 1978-03-14 | 1997-02-25 | 0.0 yrs | 26 | |
| US3920117A | Wire conveyor belt | Ashworth Bros Inc | Expired / Lapsed | 1974-04-23 | 1975-11-18 | 1994-04-23 | 0.0 yrs | 12 | |
| US3682295A | Edge driven conveyor system | Ashworth Bros Inc | Expired / Lapsed | 1970-05-11 | 1972-08-08 | 1990-05-11 | 0.0 yrs | 23 | |
| US3467239A | Central link collapsible conveyor belt | Ashworth Bros Inc | Expired / Lapsed | 1967-09-05 | 1969-09-16 | 1987-09-05 | 0.0 yrs | 0 | |
| US3333678A | Cover plate for conveyor belt | Ashworth Bros Inc | Expired / Lapsed | 1966-03-16 | 1967-08-01 | 1986-03-16 | 0.0 yrs | 2 | |
| US3261451A | Flat wire conveyor belt having tapered pin slots | Ashworth Bros Inc | Expired / Lapsed | 1964-06-29 | 1966-07-19 | 1984-06-29 | 0.0 yrs | 2 | |
| US2872023A | Flat wire conveyor belt | Ashworth Bros Inc | Expired / Lapsed | 1955-09-30 | 1959-02-03 | 1975-09-30 | 0.0 yrs | 0 |