US Patent Issued to J K WILLIAMS CONTRACTING on Sept. 29 for "Method for making a grated trench channel" (Australian Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,545, issued on Sept. 29, was assigned to J K WILLIAMS CONTRACTING PTY LTD (Australia).

"Method for making a grated trench channel" was invented by Marc Boere (Penrith, Australia), Glenn Hartog (Penrith, Australia), Tim Lyle (Penrith, Australia), Steve Sinclair (Penrith, Australia) and Lance Bennett (Penrith, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are described for forming a concrete trench drain channel using a slipform paving machine. The drain channel has frames that define an upper opening that can receive a grate. The slipform methods provide the slipform paving machine with moulds shaped to represent the e...