Assignee
INSITUFORM NORTH AMERICA
US·4 granted patents·227 citations·filing 1988–1992
Top patents by PatentIndex Score
4 records- 0195US5172730ATwo-wall leakage detection system for a pipeINSITUFORM NORTH AMERICA·Filed 1992·Granted Dec 22, 1992·110 cites·2 claims
- 0289US5018545AApparatus for cleaning interior of a lateral pipelineINSITUFORM NORTH AMERICA·Filed 1990·Granted May 28, 1991·69 cites·6 claims
- 0371US4980116ALining of pipelines and passagewaysINSITUFORM NORTH AMERICA·Filed 1989·Granted Dec 25, 1990·35 cites·18 claims
- 0439US4901424AMethod of forming an end seal for a pipe linerINSITUFORM NORTH AMERICA·Filed 1988·Granted Feb 20, 1990·13 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when INSITUFORM NORTH AMERICA files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →