Magnetic inspection method and apparatus
CA 1096941 A · Owner: Babcock & Wilcox Company (The) (Delaware) · Inventors: Lawrie, William E.; Holt, Amos E.; Birks, Albert S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 4107, MAGNETIC INSPECTION METHOD AND APPARATUS ABSTRACT, An illustrative embodiment of the invention provides a method and apparatus for magnetic inspection of areas of interest in ferromagnetic material by means of both alternating and direct current induced magnetic fields. Moreover, the magnetic fields may be pulsed sequentially and/or simultaneously to detect defects deep within the area of interest.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.