Liqui-Force Sewer Services Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL367
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9273945 Inspection device for measuring pipe sizeJul 28, 11Mar 01, 16[G03B, G01B, E21B]
9261219 Method of installing and curing a liner in a sewer pipeJul 10, 14Feb 16, 16[F16L]
9023160 Lateral liner launcher device and method of installationJul 28, 11May 05, 15[F16L, B32B]
8316892 Lateral liner with sealApr 03, 08Nov 27, 12[F16L]

Expired/Abandoned/Withdrawn Patents

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