North American Pipe Patents

Patent Information

North American Pipe Corporation, a Westlake company, manufactures a broad range of gasketed, solvent welded, and restrained joint pipes for a diverse range of markets including municipal water and sewer, residential plumbing, water well, agricultural irrigation, turf and mining. NAPCO offers a broad range of standard and specialty piping, and fittings; including brands such as Certa-Lok®, Yelomine®, Certa-Set® and Certa-Flo®.

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