| 2025/0065,384 | DEVICES AND METHOD FOR SHAPING A TUBULAR HOLLOW ELEMENT | Sep 21, 22 | Feb 27, 25 | FELSS Systems GmbH |
| 2024/0261,119 | Lumen Stent and Preform thereof, and Methods for Preparing the Lumen Stent and Preform thereof | Apr 17, 24 | Aug 08, 24 | Biotyx Medical (Shenzhen) Co. Ltd. |
| 2023/0130,543 | DRAWING MACHINE, DRAWING METHOD AND DRAWING MANDREL | Mar 26, 21 | Apr 27, 23 | SMS GROUP GMBH |
| 2020/0038,927 | A MANDREL ADJUSTMENT ASSEMBLY FOR A MULTI-WALL PIPE PRODUCTION MADE OF COATED METAL SHEET | Jan 17, 18 | Feb 06, 20 | Not available |
| 2019/0274,851 | THIN, NARROW TUBE AND DRAWING APPARATUS AND DRAWING METHOD FOR MANUFACTURING THE SAME | Mar 19, 19 | Sep 12, 19 | Not available |
| 2019/0193,131 | A Method For Forming A Hollow Of A Ferritic FeCrAl Alloy Into A Tube | Jun 22, 17 | Jun 27, 19 | SANDVIK MATERIALS TECHNOLOGY DEUTSCHLAND GMBH |
| 2018/0021,826 | PREPARING A TUBE END FOR ROD DRAWING | Feb 21, 17 | Jan 25, 18 | SMS GROUP GMBH |
| 2017/0128,993 | Floating Draw Plug and Method of Drawing Tube | Nov 06, 15 | May 11, 17 | PENN ALUMINUM INTERNATIONAL LLC |
| 2016/0273,683 | PROCESS FOR PRODUCING A MULTILAYER PIPE HAVING A METALLURGICAL BOND BY DRAWING, AND MULTILAYER PIPE PRODUCED BY THIS PROCESS | Jul 23, 14 | Sep 22, 16 | VALLOUREC SOLUÇÕES TUBULARES DO BRASIL S.A. |
| 2016/0008,862 | METHOD FOR MANUFACTURING DRIVE SHAFT | Jul 09, 14 | Jan 14, 16 | JUNG, JONG-HOON |
| 2016/0001,351 | HOLLOW DRIVE SHAFT WITH FLANGE AND METHOD FOR THE PRODUCTION THEREOF | Feb 27, 12 | Jan 07, 16 | SCHMITTERGROUP AG |
| 2015/0377,315 | Cylinder Tube Closed At The End So As To Be Fluid-Tight And Method For Production Thereof | Nov 28, 12 | Dec 31, 15 | SCHMITTERGROUP AG |
| 2015/0297,370 | THIN, NARROW TUBE AND DRAWING APPARATUS AND DRAWING METHOD FOR MANUFACTURING THE SAME | Aug 02, 13 | Oct 22, 15 | NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY |
| 2015/0082,851 | PRECURSOR DETECTION METHOD AND PRECURSOR DETECTION DEVICE OF STICK-SLIP PHENOMENON, AND METHOD FOR COLD-DRAWING PIPE OR TUBE USING PRECURSOR DETECTION METHOD | May 02, 13 | Mar 26, 15 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 2011/0232,352 | METHOD OF PRODUCING ULTRATHIN-WALL SEAMLESS METAL TUBE USING FLOATING PLUG | Jun 02, 11 | Sep 29, 11 | SUMITOMO METAL INDUSTRIES, LTD. |
| 2010/0170,316 | Plug for Cold Drawing and Method for Manufacturing of Metal Pipe | Jan 21, 10 | Jul 08, 10 | SUMITOMO METAL INDUSTRIES, LTD. |
| 2010/0064,750 | Linear drawing machine and method for linear drawing of a workpiece through a drawing ring | Sep 11, 09 | Mar 18, 10 | SMS GROUP GMBH |
| 2009/0301,159 | METHOD OF FORMING, INSERTING AND PERMANENTLY BONDING RIBS IN BOILER TUBES | Jun 06, 08 | Dec 10, 09 | THE BABCOCK & WILCOX COMPANY |
| 2009/0193,868 | Method of producing ultra thin wall metallic tube by cold drawing process | Oct 21, 08 | Aug 06, 09 | SUMITOMO METAL INDUSTRIES, LTD. |
| 2008/0115,553 | Reducing Tubes Over a Stepped Mandrel to Manufacture Tubular Shafts Having an Undercut in One Operation | Feb 02, 05 | May 22, 08 | GKN DRIVELINE INTERNATIONAL GMBH |