US Patent Issued to NOVITECH on Jan. 13 for "Magnetizers for pigging tools having rotational elements" (Canadian Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,633, issued on Jan. 13, was assigned to NOVITECH INC. (Vaughan, Canada).

"Magnetizers for pigging tools having rotational elements" was invented by Ron Thompson (Vaughan, Canada), Michael Yachnis (Vaughan, Canada) and Jaidan Barretto (Markham, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Circumferential and axial magnetizers for a magnetic flux leakage pig. A magnet bar may comprise at least one magnet and may be configured to collapse radially inward to the shaft. Magnetizers may include a cushion disposed about the shaft and biasing the magnet bar against a pipe wall. A sensor head disposed between circuit poles at each polar end of the m...