“Apply heat to the section of pipe using an electric heating pad wrapped around the pipe, an electric hair dryer, a portable ...

VANCOUVER, Wash. - Northwest Pipe Company (NASDAQ:NWPX), an established manufacturer specializing in water infrastructure with a market capitalization of $502 million, has been granted a U.S. patent ...

That can be rotted away or torn, allowing water to work its way into the house along the pipe. With any of these problems, ...