| Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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| 04/28/1998 | US5743124 For controlling a bending radius in accordance with a moving distance |
| 04/15/1998 | CN1178727A Tube bending device for refrigerant guide tube of refrigerator |
| 04/09/1998 | DE19640119A1 Bending tool for steel band sections |
| 04/01/1998 | CN1177715A Device for refrigerant guide-tube continuous supply of refrigerator |
| 04/01/1998 | CN1177526A Device for bending iron-plate of refrigerator casing and method therefor |
| 03/31/1998 | CA2143255C Process and apparatus for hydroforming a vehicle manifold |
| 03/19/1998 | DE19637115A1 Control for form metal working on bending machine |
| 03/17/1998 | US5727419 Tube bender handle |
| 03/10/1998 | US5724852 Portable small rebar bending machine |
| 03/10/1998 | US5724851 Method and apparatus for forming a leaf spring eye |
| 03/10/1998 | US5724849 Process for forming a tube for use in a sound attenuating muffler |
| 03/04/1998 | EP0826440A1 Apparatus for forming metal sections |
| 03/04/1998 | EP0826439A1 Method for bending a tube, device for carrying-out the method as well as a corner piece manufactured by this method |
| 02/28/1998 | CA2213687A1 Equipment for shaping metal sections |
| 02/25/1998 | EP0824982A1 Drawing assembly for bending machines |
| 02/25/1998 | CN1037497C Process for permanent bending of deformable bodies |
| 02/18/1998 | CN1037416C L-iron bending shaper |
| 02/12/1998 | WO1998005443A1 Portable small rebar bending machine |
| 02/04/1998 | EP0822018A1 Device for controlling the bending angle on tube bending machines |
| 01/29/1998 | DE19630025A1 Apparatus for bending rod-shaped components |
| 01/29/1998 | DE19630023A1 Deformation press for bending pipe sections |
| 01/28/1998 | CN1171308A Multi-layer lap bending method and device for zigzag thbe with fins |
| 01/27/1998 | US5711059 Internal high-pressure forming process and apparatus |
| 01/21/1998 | CN1037074C Computerised resillience and elongtation measuring instrument for bent tubes |
| 01/20/1998 | US5709117 Collet assembly for bending apparatus |
| 01/14/1998 | CN1169892A Apparatus and method for bending forging metal pipe as artist product |
| 01/08/1998 | WO1998000250A1 Quick change tooling method and apparatus |
| 01/08/1998 | CA2230271A1 Quick change tooling method and apparatus |
| 01/07/1998 | EP0815976A2 Tube bending apparatus |
| 01/06/1998 | US5704242 Universal ring bender |
| 01/06/1998 | CA2120037C Apparatus for bending a strip material |
| 01/02/1998 | DE19726314A1 Hydraulic press unit |
| 12/30/1997 | US5701655 Method and apparatus for making brake shoes |
| 12/24/1997 | WO1997048506A1 Shaping of a roll-over tube |
| 12/17/1997 | CN1167660A Bending apparatus for obtaining spiral pipe |
| 12/16/1997 | US5697240 Method of determining the bend in a section of pipe |
| 12/11/1997 | DE19630163C1 Tool for clamping and bending e.g. steel tube |
| 12/10/1997 | EP0811437A1 Hydraulic device for bending work and a bending device with the hydraulic device mounted thereon |
| 12/09/1997 | US5694800 Perfected counterdie for pipe bending machines |
| 12/03/1997 | EP0810045A2 Method and apparatus for forming a leaf spring eye |
| 11/25/1997 | US5689988 CNC-controlled pipe bending machine |
| 11/18/1997 | US5687601 Group for clamping and dragging a pipe or rod for pipe benders with or without an inner mandrel and rod benders, and machines for clamping mechanical parts in general |
| 11/18/1997 | US5687596 Calendering aluminum profiles for producing spacer frames for insulating glazing units |
| 11/18/1997 | CA2005178C Precision bending apparatus |
| 11/06/1997 | DE19714663A1 Electric cutting and bending tool for selective cutting and bending of long objects |
| 11/04/1997 | US5682781 Method for controlling a pipe bending machine |
| 10/30/1997 | CA2201950A1 Method and apparatus for forming a leaf spring eye |
| 10/28/1997 | US5680789 Bend-all |
| 10/22/1997 | CN2265258Y Bent tube |
| 10/21/1997 | US5678441 Bending machine for elongate workpieces |
| 10/16/1997 | WO1997037785A1 Machine for bending or cambering a profile section, and bending head therefor |
| 10/16/1997 | CA2250362A1 Machine for bending or cambering a profile section, and bending head therefor |
| 10/15/1997 | EP0800875A1 Method for bending and apparatus for height compensation of a strip steel punch tool |
| 10/15/1997 | CN1161890A Supporting-seat-arm assembly for tube-automatic-positioning type tube-bending machine |
| 10/07/1997 | US5673929 Process of hydroforming tubular suspension and frame components for vehicles |
| 09/25/1997 | WO1997035039A1 A method for manufacturing of curved and quenched profiled elements and a die tool for carrying out the method |
| 09/23/1997 | US5669261 Apparatus for bending a heat-exchanger tube |
| 09/23/1997 | US5669258 Tube bender angle indicator |
| 09/17/1997 | CN1159370A Method to cold-bend resin-coated ribbed steel pipes and resin-coated ribbed steel pipes bent by such method |
| 09/04/1997 | DE19708247A1 Bending system with gripping unit for workpiece |
| 09/04/1997 | DE19607412A1 Stair railing production method |
| 09/03/1997 | CN1158283A Swinging self-positioning support for pipe bending machines |
| 09/02/1997 | US5662349 For a vehicle |
| 09/02/1997 | US5661994 Tube shaping apparatus |
| 08/13/1997 | EP0789289A2 Method for designing or producing bent tubing |
| 08/09/1997 | CA2196236A1 Method and apparatus for measuring and tube fitting |
| 08/05/1997 | US5653139 Portable rebar bending device and method |
| 07/30/1997 | EP0786293A1 A support arm assembly for pipe bending machines with automatic pipe positioning |
| 07/16/1997 | EP0783927A1 A swinging self-positioning support for pipe bending machines |
| 07/15/1997 | CA2020259C Method and apparatus for bending manufacturing of long workpiece |
| 07/10/1997 | DE19600176A1 Procedure for operating pipe bending machine |
| 06/24/1997 | US5641176 Process of hydroforming tubular suspension and frame components for vehicles |
| 06/18/1997 | CN2256351Y Portable multifunctional pipe bender |
| 06/18/1997 | CN2256350Y Portable multifunctional pipe bender |
| 06/03/1997 | US5634362 Supplemental bending method for correcting already bent workpiece, and apparatus for determining information for supplemental bending on the workpiece |
| 05/28/1997 | EP0775538A1 Pipe bending apparatus with hydraulic transmission |
| 05/27/1997 | US5632176 Programmable pressure controlled mandrel extractor for tube bending machine |
| 05/27/1997 | US5632175 Rebar fabricating apparatus |
| 05/27/1997 | US5632174 Metal bending machine |
| 05/13/1997 | US5628226 Manually operated press |
| 05/09/1997 | WO1997016267A1 Flexible shoe for a bending machine |
| 05/07/1997 | EP0771597A1 Apparatus for bending or curving hollow profiles |
| 05/06/1997 | US5626045 Metal stock bender |
| 05/06/1997 | US5625948 Method for producing a pipe and apparatus for the same |
| 04/23/1997 | CN2252667Y Appts. for bending tube into spiral shape |
| 04/10/1997 | WO1997012707A1 Pressure die assist boost system for tube bending machine |
| 04/10/1997 | WO1997012702A1 Low force auto-open tooling for tube bending machine |
| 04/10/1997 | WO1997012699A1 Programmable pressure controlled mandrel extractor for tube bending machine |
| 04/10/1997 | DE19602504A1 Radii calculation method used on bent components |
| 04/09/1997 | EP0767016A2 Method and apparatus for measuring the radius of bent products |
| 04/08/1997 | US5617753 Low force auto-open tooling for tube bending machine |
| 04/01/1997 | US5615572 Hydraulic tube bender |
| 04/01/1997 | US5615570 Method for bending a pipe and apparatus for bending the same |
| 03/27/1997 | DE19528728A1 Rounding device for rabbet joint aluminium roofing elements |
| 03/12/1997 | EP0761334A1 Tube bending machine |
| 02/26/1997 | EP0759332A1 CNC-controlled tube bending machine |
| 02/25/1997 | CA1338925C Portable pipe-bending minimachine able to be manually-or motor-controlled and including an engaging/automatic disengaging device |
| 02/19/1997 | CN2247568Y Pipe bending device |
| 02/12/1997 | EP0757925A1 Method for controlling a pipe bending machine |
| 02/12/1997 | CN1142416A Method and apparatus for bending pipes |