Inventor
TWEEDIE JOHN
GB6 patents
⚠️ This page may combine multiple inventors who share the name “TWEEDIE JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INSITUFORM NETHERLANDS BV
4 patentsUS6068725AMay 30, 2000
Method of installation of a flexible cured in place lateral seal in an existing main pipeline
INSITUFORM NETHERLANDS BV135 citations95
US5915419AJun 29, 1999
Cured in place lateral seal for relining of pipelines and method of manufacture
INSITUFORM NETHERLANDS BV100 citations95
US6029726AFeb 29, 2000
Apparatus for installing a flexible cured in place lateral seal in an existing main pipeline
INSITUFORM NETHERLANDS BV56 citations94
US6520719B1Feb 18, 2003
Apparatus for installing a flexible cured in place lateral seal in an existing main pipeline
INSITUFORM NETHERLANDS BV28 citations89