Sheathing members surround the pile and are clamped to it by bolts inserted through flange members or portions outside the piles, which clamp the sheathing members against the pile above and below a deteriorated section of a pile and which bridge the deteriorated section of a pile. An embodiment designed...http://www.google.ca/patents/US6561736?utm_source=gb-gplus-sharePatent US6561736 - Frictional coupler and stiffener for strengthening a section of piling