| Patents for B21H 3 - Making helical bodies or bodies having parts of helical shape (2,057) |
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| 12/11/2013 | CN103443479A Anchor bolt and production method |
| 12/05/2013 | US20130324270 Manufacturing method and equipment for intensifying hardness of screws |
| 12/04/2013 | CN203316658U Thread rolling machine with flexible baffle plate |
| 12/04/2013 | CN203316657U Thread rolling machine with device for filtering and retrieving oil |
| 12/04/2013 | CN203316656U Thread rolling machine provided with protective cover for blocking materials |
| 12/04/2013 | CN203316655U Tooth rolling cutting tool |
| 12/04/2013 | CN103418720A Double-sided abrasion-resistant thread rolling plate |
| 12/04/2013 | CN103418719A Screw thread and pattern rolling plate and method for thread and pattern rolling |
| 12/04/2013 | CN103418718A Anti-abrasion arc-thread-top debris-holding straight-thread thread rolling wheel |
| 12/04/2013 | CN103418717A Scrap-containing-inclined-grain thread rolling wheel with guide corner |
| 12/04/2013 | CN103418716A Inclined-grain thread rolling wheel with guide angle |
| 12/04/2013 | CN103418715A Cylindrical die roll with arc straight thread crests |
| 11/27/2013 | CN203304462U Screw thread rolling wheel |
| 11/27/2013 | CN203304461U Double end stud thread rolling machine |
| 11/20/2013 | CN203292400U Thread rolling machine with filtering guide chute |
| 11/20/2013 | CN203292399U Guide plate provided with oil leaking hole |
| 11/20/2013 | CN203292398U Fixing block for thread rolling |
| 11/20/2013 | CN203292397U Thread rolling structure |
| 11/20/2013 | CN203292396U Traction rod thread rolling tool |
| 11/20/2013 | CN203292395U Auxiliary supporting mechanism |
| 11/13/2013 | CN203281778U Thread rolling machine automatically removing flaw materials |
| 11/13/2013 | CN203281611U Auxiliary supporting mechanism used for thread forming machine |
| 11/13/2013 | CN103386450A Double-sided screw plate |
| 11/13/2013 | CN103386449A Double-sided abrasion-resistant screw plate with saw tooth threads |
| 11/06/2013 | CN203265500U Automatic feeding machine of thread rolling machine |
| 11/06/2013 | CN203265498U Thread rolling wheel replacement device |
| 11/06/2013 | CN203265497U Auxiliary supporting mechanism for thread forming machine |
| 10/30/2013 | CN203253857U Automatic-heating thread-forming device |
| 10/30/2013 | CN103372623A Wear-resistant thread rolling die with serrated threads |
| 10/30/2013 | CN103372622A Detachable thread rolling die with double-sided serrated threads |
| 10/30/2013 | CN103372621A Detachable thread rolling die with serrated threads |
| 10/30/2013 | CN103372620A Wear-resistant cylindrical die roll |
| 10/30/2013 | CN103372619A Cylindrical die roll with guide angles |
| 10/24/2013 | WO2013157531A1 Threaded reinforcing bar coupling for deformed reinforcing bar, and threaded deformed reinforcing bar |
| 10/23/2013 | CN103357801A Sawtooth grain thread rolling plate |
| 10/23/2013 | CN103357800A Thread rolling wheel |
| 10/16/2013 | CN203235880U Rolled thread length control device for wind power bolts |
| 10/16/2013 | CN103350172A Automatic feeding machine of thread rolling machine |
| 10/09/2013 | CN203227781U Rolling device for rebar end thread |
| 10/09/2013 | CN103341578A Selection method for upper and lower transmission wheels of automatic rib stripping thread roller |
| 10/03/2013 | US20130259597 Weld stud |
| 10/02/2013 | CN103331398A Adjustable screw-thread steel embossing machine |
| 09/26/2013 | WO2013141557A1 Spiral pipe processing apparatus |
| 09/25/2013 | CN203209603U Feeding stop mechanism for automatic thread rolling machine for bolts |
| 09/25/2013 | CN203209602U Thread rolling machine with electromagnet |
| 09/25/2013 | CN203209601U Thread rolling machine |
| 09/25/2013 | CN203209600U Thread rolling machine |
| 09/25/2013 | CN203209599U Double-line steel bar rolling straight thread rolling head |
| 09/25/2013 | CN203209598U Double-line steel bar rolling straight thread machine tool |
| 09/25/2013 | CN203209597U Split thread rolling wheel carrier |
| 09/25/2013 | CN203209596U Reinforcing steel rolling straight thread rolling head assembly |
| 09/25/2013 | CN203209595U Thread rolling machine |
| 09/25/2013 | CN203209594U Novel worm rolling bracket |
| 09/18/2013 | CN103302225A Manufacturing process of high low screws |
| 09/18/2013 | CN103302212A Measuring device for screw thread rolling machine |
| 09/17/2013 | US8534022 Twisted threaded reinforcing bar |
| 09/12/2013 | DE102012004701A1 Device for introduction of screw thread into surface of e.g. thin pipe, has protrusion for projecting on surface of part, plate, jaws, sector, cavity and cone, where surfaces of part, plate, jaws, sector, cavity and cone rest against wall |
| 09/11/2013 | CN203184560U Automatic feeding device and full-automatic thread-rolling machine |
| 09/11/2013 | CN203184557U 轧轮 Rolling wheel |
| 09/11/2013 | CN203184556U Positioning tool for thread rolling machine |
| 09/11/2013 | CN203184555U Mistake-proof device used for parallel thread rolling of micro precision screw |
| 09/11/2013 | CN103286247A Thread rolling device with automatic heating function |
| 09/11/2013 | CN103286246A Method for manufacturing high-strength screws with fine threads for wind-driven generator foundations |
| 09/11/2013 | CN103286245A Manual ratchet wheel thread rolling plate for processing external tube threads |
| 09/04/2013 | CN103272978A Automatic feeding device and full-automatic thread-rolling machine |
| 09/04/2013 | CN103272975A Movable profiling device for thread rolling machine |
| 08/29/2013 | DE102012204038A1 Planetenwälzgewindetrieb Planetenwälzgewindetrieb |
| 08/28/2013 | CN103264128A Hand-held electric thread rolling machine |
| 08/21/2013 | CN203140663U Rolling template of large-specification taper shank twist drill |
| 08/21/2013 | CN203140662U Tooth grinding mould |
| 08/14/2013 | CN203124614U Automatic taper thread rolling machine |
| 08/14/2013 | CN101549383B Slide thread rolling splint |
| 08/13/2013 | US8505350 Apparatus for threading cans |
| 08/07/2013 | CN103230990A Multidirectional composite vibration incremental type rolling and forming device and technology thereof |
| 08/06/2013 | US8499601 Bottle can member, bottle, and thread forming device |
| 08/01/2013 | US20130195581 Nut |
| 07/31/2013 | CN103223453A Method and device for directly rolling steel pipe standard outer diameter to form taper pipe external thread, and product of taper pipe external thread |
| 07/23/2013 | US8491399 Method for manufacturing FRP member with insert and FRP member with insert |
| 07/17/2013 | CN203061789U Device for machining threads |
| 07/16/2013 | US8485013 Method and tooling for headed pilot pointed bolts |
| 07/11/2013 | WO2013103200A1 Apparatus for forming gear part |
| 07/10/2013 | CN203044766U Nail delivering device of thread rolling machine |
| 07/10/2013 | CN103192011A Intelligent full-automatic multi-functional numerical-control thread rolling machine |
| 07/03/2013 | CN203030809U Thread rolling wheel carrier bracket |
| 06/27/2013 | DE102011122323A1 Vorrichtung und Verfahren zum Anformen von Gewinden an Rohren Apparatus and method for integrally forming of threads on tubes |
| 06/26/2013 | EP2606992A1 Device and method for moulding of threads on tubes |
| 06/26/2013 | CN203018660U Screw nail teeth jumping induction device for coil thread rolling machine |
| 06/26/2013 | CN203018659U Thread roller support plate used for processing tyre bolt |
| 06/26/2013 | CN103170563A Device and method for moulding threads on tube |
| 06/12/2013 | CN202984542U Core combined bar for processing copper pipe internal threads |
| 06/12/2013 | CN202984541U Spline multi-station cold twisting forming machine |
| 06/12/2013 | CN202984540U Multifunctional bolt groove extruding device |
| 06/12/2013 | CN103154216A Lubricant composition for metal material plasticity processing, lubricating film and coated metal material provided therewith, and method for manufacturing coated metal material |
| 06/05/2013 | CN202963338U Lifting bearing for three-roll grinding machine |
| 06/05/2013 | CN202963337U Anti-corrosion device for screw rolling machine |
| 05/22/2013 | EP2593250A1 Process for producing a semifinished product |
| 05/22/2013 | EP2593249A1 Process for producing a semifinished product and a semifinished product |
| 05/22/2013 | CN103111565A Double-headed stud thread rolling machine |
| 05/22/2013 | CN102099134B Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses |
| 05/15/2013 | CN102653989B Steel bar rolling straight-thread sleeve connection construction method |