Assignee
MAYREDER KRAUS & CO ING
AT·5 granted patents·105 citations·filing 1987–1993
Technology mixE21D5
Top patents by PatentIndex Score
5 records- 0156US4984937ARock boltMAYREDER KRAUS & CO ING·Filed 1988·Granted Jan 15, 1991·29 cites·7 claims
- 0255US5324139AMethod for the construction of long tunnel with a liningMAYREDER KRAUS & CO ING·Filed 1993·Granted Jun 28, 1994·27 cites·15 claims
- 0351US4812084ATubbing ring for lining a tunnelMAYREDER KRAUS & CO ING·Filed 1987·Granted Mar 14, 1989·19 cites·7 claims
- 0443US5332334ATunnel wall with liningMAYREDER KRAUS & CO ING·Filed 1993·Granted Jul 26, 1994·15 cites·5 claims
- 0542US5346332ATubbing-type tunnel liningMAYREDER KRAUS & CO ING·Filed 1993·Granted Sep 13, 1994·15 cites·12 claims
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