Vessel nozzle inspection apparatus
Patent 3934457 Issued on January 27, 1976. Estimated Expiration Date: 
January 27, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 27, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3068370 3178933 3540266 3809607 3844164 3844165 InventorsAssigneeApplicationNo. 05/540679 filed on 01/13/1975US Classes:73/637, Around cylindrical object376/249, Vessel monitoring or inspection73/641Plural sonic transmitters or receiversExaminersPrimary: Queisser, Richard C.Assistant: Kreitman, Stephen A. Attorney, Agent or FirmInternational ClassesG01N 29/26 (20060101)G01N 29/265 (20060101) G21C 17/017 (20060101) AbstractApparatus for on-site, non-destructive examination of the connection of a pipe to a vessel including a vessel-to-nozzle and nozzle-to-pipe weld seams, including an instrument carrying, remotely controlled vehicle with magnetic adherence means for scanning such connection. | |
