Assignee
HOBAS ENG & DUROTEC AG
CH·3 granted patents·26 citations·filing 1985–1989
Top patents by PatentIndex Score
3 records- 0159US5202076AMethod for producing multi-layer pipe conduit components of plastic material, inorganic filler material and glass fibersHOBAS ENG & DUROTEC AG·Filed 1989·Granted Apr 13, 1993·15 cites·19 claims
- 0234US5054824ACoupling for plastic pipe formed by centrifugal castingHOBAS ENG & DUROTEC AG·Filed 1989·Granted Oct 8, 1991·7 cites·6 claims
- 0326US4642156AApparatus for forming a reinforcing band on a sectional sealing linerHOBAS ENG & DUROTEC AG·Filed 1985·Granted Feb 10, 1987·4 cites·9 claims
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