Assignee
DIGA DIE GASHEIZUNG GMBH
DE·3 granted patents·90 citations·filing 1981–1990
Top patents by PatentIndex Score
3 records- 0173US5076731AApparatus for bursting an existing pipe and widening the bore thereofDIGA DIE GASHEIZUNG GMBH·Filed 1990·Granted Dec 31, 1991·69 cites·8 claims
- 0237US4393805APipeline pig for lining pipe linesDIGA DIE GASHEIZUNG GMBH·Filed 1981·Granted Jul 19, 1983·13 cites·7 claims
- 0328US4370364AMethod for lining pipe mains having branching domestic connection pipesDIGA DIE GASHEIZUNG GMBH·Filed 1981·Granted Jan 25, 1983·8 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →