Pipeline Joint Fill Patents

The company maintains Patents on its products and equipment designs

OJS is proud of its technology advances many of which are protected by trademarks, patents and proprietary formulations.
Sea Sleeve®, Deep Sea Sleeve ®, and Densiflex® are registered trademarks numbered 2,103,081; 2,684,401; 2,647,012 respectively.

Patents have been granted on the Sea Sleeve, Field Joint Infill, Pipe Weld Cleaning Machine and Joint Infill Cladding and Applicator Clamp as follows: US 5,900,195; 6,402,201; 7,407,197; 4,909,669; 5,328,648; 5,804,093; 6,059,319; 5,489,405; 7,059,945; 7,472,476; Europe 97938173.8; 5761167.5; Australia 711857; Brazil PI 9711150-3, 5761167.5; Indonesia W-990025; W-200603327; Mexico 991283212675; Norway 316.502; Singapore 61274. Patents are pending in other countries and for other products.

Densiflex®, Sea Sleeve®, and Deep Sea Sleeve® are registered trademarks of Offshore Joint Services, Inc.