Liqui-Force Sewer Services Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liqui-Force Sewer Services Inc..The latest application filed is for "method of installing and curing a liner in a sewer pipe".
- Liqui-Force Sewer Services Inc. - Kingsville Ontario CA
- Liqui-Force Sewer Services Inc. - CA CA
| Patent | Date |
|---|---|
| Inspection device for measuring pipe size Grant 9,273,945 - Lewis , et al. March 1, 2 | 2016-03-01 |
| Method of installing and curing a liner in a sewer pipe Grant 9,261,219 - Warren February 16, 2 | 2016-02-16 |
| Lateral liner launcher device and method of installation Grant 9,023,160 - Warren , et al. May 5, 2 | 2015-05-05 |
| Method Of Installing And Curing A Liner In A Sewer Pipe App 20150013815 - Warren; Darcy | 2015-01-15 |
| Inspection Device For Measuring Pipe Size App 20120300224 - Lewis; Jeff ; et al. | 2012-11-29 |
| Lateral liner with seal Grant 8,316,892 - Warren November 27, 2 | 2012-11-27 |
| Method and device for lining a sewer pipe Grant 6,827,526 - Warren December 7, 2 | 2004-12-07 |
| Method and device for lining a lateral sewer pipe Grant 6,695,013 - Warren February 24, 2 | 2004-02-24 |
| Method and device for lining a lateral sewer pipe Grant 6,484,757 - Warren November 26, 2 | 2002-11-26 |
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