Assignee
COGIFER
FR·8 granted patents·58 citations·filing 1989–1996
Top patents by PatentIndex Score
8 records- 0145US5082214ACrossing frog with a moving pointCOGIFER·Filed 1990·Granted Jan 21, 1992·9 cites·11 claims
- 0244US5042755AProcess for producing a crossing frog with a moving pointCOGIFER·Filed 1989·Granted Aug 27, 1991·10 cites·7 claims
- 0342US5133522AProcess for producing a crossing frog with a moving pointCOGIFER·Filed 1991·Granted Jul 28, 1992·6 cites·12 claims
- 0440US5224672ATrack apparatus for railroad vehicles having tired wheels and median guide rollerCOGIFER·Filed 1992·Granted Jul 6, 1993·12 cites·3 claims
- 0535US5419490APoint rail for switching gearCOGIFER·Filed 1993·Granted May 30, 1995·7 cites·20 claims
- 0634US5207401ASwitch for a grooved guide trackCOGIFER·Filed 1991·Granted May 4, 1993·5 cites·23 claims
- 0727US5366184ASeat for the movable point in a cradle of a crossing frog incorporated in long welded rails and process for the production of such a seatCOGIFER·Filed 1993·Granted Nov 22, 1994·4 cites·5 claims
- 0825US5618013AMovable point for a crossing frog for railway apparatus of very great length, incorporated in long welded railsCOGIFER·Filed 1996·Granted Apr 8, 1997·5 cites·8 claims
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