Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Copper and zinc elution preventing method of copper-alloy-made plumbing instrument including valve and pipe joint, copper-alloy-made plumbing instrument using the method, and film-forming agent

Copper and zinc elution preventing method of copper-alloy-made plumbing instrument including valve and pipe joint, copper-alloy-made plumbing instrument using the method, and film-forming agent

US Patent 8936048 · Granted Jan 20, 2015

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Copper alloy plumbing hardware, such as valves and tube couplings, and the treat2012
Method for preventing elution of nickel from water-contact instrument of copper 2012
Method for preventing elution of lead and/or nickel from copper alloy piping mat2008