INTERNATIONAL PATENT: TIANJIN TPCO TESTING TECHNOLOGY CO., LTD., 天津天管检测技术有限公司, TIANJIN PIPE CORPORATION, 天津钢管制造有限公司 FILES APPLICATION FOR "SAWTOOTH-THREADED JOINT FOR OIL CASING PIPE"

Posted On: 2025-12-28

GENEVA, Dec. 28 -- TIANJIN TPCO TESTING TECHNOLOGY CO., LTD. (No. 396, Jintang HighwayDongli District, Tianjin 300302), 天津天管检测技术有限公司 (中国天津市东丽区津塘公路396号), TIANJIN PIPE CORPORATION (No. 396, Jintang HighwayDongli District, Tianjin 300302), 天津钢管制造有限公司 (中国天津市东丽区津塘公路396号) filed a patent application (PCT/CN2025/087429) for "SAWTOOTH-THREADED JOINT FOR OIL CASING PIPE" on Apr 07, 2025. With publication no. WO/2025/2609...

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INTERNATIONAL PATENT: TIANJIN TPCO TESTING TECHNOLOGY CO., LTD., 天津天管检测技术有限公司, TIANJIN PIPE CORPORATION, 天津钢管制造有限公司 FILES APPLICATION FOR "SAWTOOTH-THREADED JOINT FOR OIL CASING PIPE"