Assignee
LONGWALL ROOF SUPPORTS LTD
GB·3 granted patents·29 citations·filing 1994–1995
Top patents by PatentIndex Score
3 records- 0136US5735552ASwivel couplerLONGWALL ROOF SUPPORTS LTD·Filed 1995·Granted Apr 7, 1998·11 cites·5 claims
- 0234US5558761AFluid filtering unit with movable collector for cleaningLONGWALL ROOF SUPPORTS LTD·Filed 1995·Granted Sep 24, 1996·10 cites·9 claims
- 0329US5454669AYield valveLONGWALL ROOF SUPPORTS LTD·Filed 1994·Granted Oct 3, 1995·8 cites·11 claims
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