Assignee

OLTMANNS ZIEGEL & KUNSTSTOFF

DE·2 granted patents·26 citations·filing 1983–1983

Technology mixF16L2 Y10S2

Top patents by PatentIndex Score

2 records

0148US4591193ALine pipe of synthetic material especially for waste waterOLTMANNS ZIEGEL & KUNSTSTOFF·Filed 1983·Granted May 27, 1986·20 cites·18 claims
0225US4570976ASleeve-shaped coupling for pipelinesOLTMANNS ZIEGEL & KUNSTSTOFF·Filed 1983·Granted Feb 18, 1986·6 cites·10 claims

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