| Patents for B23G 1 - Thread cutting; Automatic machines specially designed therefor (3,392) |
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| 11/06/1996 | CN2239314Y Cutting head for working cone screw of reinforcing bar |
| 10/30/1996 | EP0739682A2 Screw-thread cutting chuck with contactless monitoring system |
| 10/30/1996 | CN2238697Y Electric thread cutting machine for pipe |
| 10/30/1996 | CN2238696Y Two-purpose conical pipe screw thread cutting machine |
| 10/23/1996 | CN2238103Y Non-stopping automatic tapper |
| 10/02/1996 | EP0734299A1 Milling and boring tool |
| 10/02/1996 | CN2236380Y Threading machine driving unit |
| 08/14/1996 | CN2232813Y Automatic cutter head for external tapered thread of reinfored bar |
| 07/31/1996 | CN2231954Y Threading device for casing wellhead |
| 07/31/1996 | CN2231953Y High strength thread rolling machine |
| 07/31/1996 | CN2231952Y Multifunctional electric threading machine |
| 07/31/1996 | CN1127689A Tapper mechanism |
| 07/24/1996 | EP0674564A4 Linear roller tap driver assembly. |
| 07/24/1996 | EP0429655B1 Control device for tapping |
| 07/23/1996 | US5538371 Tapper mechanism |
| 07/23/1996 | US5538369 Machine tool with tapping function |
| 07/18/1996 | DE19500515A1 Tool head for machines for manufacturing of threaded connections on pipe ends |
| 07/11/1996 | DE19500435A1 Wood thread cutter for left and right-hand threads |
| 07/10/1996 | EP0720886A1 Tapper mechanism |
| 07/03/1996 | CN1125650A High pressure tapping apparatus |
| 06/25/1996 | US5529442 Motorized tap tool driving apparatus |
| 06/19/1996 | CN1124684A High-efficient multifunctional vibration threading machine |
| 06/12/1996 | CN2228817Y Cylinder die |
| 05/22/1996 | EP0712678A1 Electro-hydromechanic tapping machine |
| 05/15/1996 | CN2226996Y Energy-saving electric iron base |
| 05/14/1996 | US5517097 Controlling apparatus and controlling method in machine tool |
| 05/01/1996 | CN2225924Y Screw lathe for producing sleeve with maximum bore phi 508mm |
| 04/24/1996 | EP0707912A1 Device for working tube ends |
| 04/16/1996 | US5507694 Pass-over tapping apparatus |
| 04/16/1996 | US5507608 Piloted hand tool adaptor |
| 03/28/1996 | WO1996009133A1 System for adapting an automatic screw machine to achieve computer numeric control |
| 03/27/1996 | CN2223163Y Die handle with ratchet wheel mechanism |
| 03/27/1996 | CN2223162Y Multi-purpose screw tap spinner |
| 03/20/1996 | CA2132357A1 Thread cutting device for tubular members |
| 03/13/1996 | CN2222026Y Combined die-stock |
| 02/15/1996 | DE4428049A1 Tool head for pipe thread cutting machine |
| 01/18/1996 | DE19516689C1 Tool for re=cutting damaged bolt threads |
| 01/02/1996 | US5480270 Clutch for threading attachment |
| 12/13/1995 | EP0686451A1 Device for cutting workpieces on a lathe |
| 12/06/1995 | CN2214254Y Portable pipeline threading machine |
| 11/08/1995 | CN2211876Y Manually operated pipe thread cutter |
| 11/02/1995 | DE4415236A1 Tool holder for spinning or peeling outer threads, worms and profiles |
| 10/18/1995 | EP0677351A1 Readily disassembleable tapping attachment with quick change replaceable and maintainable parts and method |
| 10/04/1995 | EP0675313A2 High pressure tapping apparatus |
| 10/04/1995 | EP0674564A1 Linear roller tap driver assembly |
| 09/27/1995 | CN2208464Y Cutter frame for reinforcing bar threading machine |
| 09/14/1995 | DE4407899A1 Threaded bore drill for angular application |
| 09/06/1995 | CN2206690Y Sleeving thread fittings of pipe trigger |
| 09/06/1995 | CN1107769A Electric and hand-operating two-purpose threading machine |
| 08/22/1995 | US5443336 Die handle oiling system for use with a cutting die head |
| 08/16/1995 | CN2205271Y Light series hand pipe thread cutting device |
| 08/09/1995 | CN2204675Y Improved internal threading apparatus |
| 08/08/1995 | US5439331 High pressure tapping apparatus |
| 08/02/1995 | CN1105920A Pipe threading plate |
| 07/13/1995 | WO1995018586A1 Process for producing a thread with a variable profile and preferred application of the process |
| 07/04/1995 | US5429459 Method of and apparatus for thread mill drilling |
| 06/22/1995 | WO1995016534A1 Milling and boring tool |
| 06/21/1995 | EP0480063B1 Controller of machine equipped with tapping function |
| 06/21/1995 | CN1103967A Controlling apparatus and controlling metghod in machine tool |
| 06/08/1995 | DE4341142A1 Machine tool thread cutter |
| 05/30/1995 | US5419413 Lubrication system for a tool holder |
| 05/17/1995 | CN2197160Y Portable pipe screwing tool |
| 05/10/1995 | CN2196527Y Reinforced taper-thread milling machine |
| 05/09/1995 | US5413438 Combined hole making and threading tool |
| 04/13/1995 | DE4334752A1 Method and device for producing screw threads in materials |
| 04/12/1995 | CN2194235Y Convenient active holder for cutting die |
| 04/12/1995 | CN2194234Y Portable pipe thread cutting machine |
| 04/04/1995 | US5404308 Numerical control (NC) device to control feed speed of tool based on speed of spindle and amount of change of spindle speed |
| 03/29/1995 | CN2193218Y Pipeline accessories tapping apparatus |
| 03/29/1995 | CN1100679A Overruning thread tap |
| 03/22/1995 | CN2192424Y Double-head tapping machine |
| 03/15/1995 | CN2191732Y Vertical hand-operated thread cutting machine |
| 03/15/1995 | CN2191731Y Universal desk threading machine |
| 03/14/1995 | US5396821 Apparatus and method of machining article of eccentric configuration |
| 02/22/1995 | CN2189998Y Drive unified threading machine |
| 02/15/1995 | CN2189505Y Hank-rocking threading plate |
| 02/08/1995 | CN2189023Y Adjustable automatic multi-shaft machine for thread cutting |
| 01/18/1995 | CN2187513Y Combined threading device for pipe working machinery |
| 01/18/1995 | CN2187512Y Semi-automatic pipe three-end threading machine |
| 01/12/1995 | DE3448386C2 Unit to tap bores in sheet or plate |
| 12/14/1994 | CN2185172Y Die for cutting pipe thread |
| 11/30/1994 | CN1095658A Taper thread cutter |
| 11/17/1994 | DE4344037C1 Multi-spindle thread-cutting attachment |
| 11/16/1994 | CN2182701Y Thread cutting machine |
| 11/09/1994 | CN2182019Y Vertical drilling, threading machine |
| 11/02/1994 | CN2181352Y Automatic clamp for dom nut tapping machine |
| 10/25/1994 | US5358362 Tapping attachment for radial tapping |
| 10/18/1994 | US5356244 Head frame boring method and apparatus |
| 10/13/1994 | DE4414777A1 Device for angular guidance of tap wrenches and rethreading nuts |
| 10/11/1994 | US5354154 Attachment of a tapping head to a drive unit |
| 10/05/1994 | EP0618034A1 Tapping attachment for radial tapping |
| 10/05/1994 | CN2178577Y Lathe special for compound thread |
| 10/04/1994 | US5352069 Method and apparatus for a numerically controlled tapping machine |
| 09/22/1994 | DE4308104A1 Thread-cutting device |
| 09/21/1994 | CN2177555Y Special lathe for cutting plus thread and minus thread |
| 09/14/1994 | CN2176860Y Electric and hand-driven two-purpose tapping machine |
| 09/13/1994 | US5346337 Automatic tapping machine |
| 09/06/1994 | US5343787 Die holder assembly |
| 08/17/1994 | CN2174282Y Thread milling machine |
| 08/17/1994 | CA2115727A1 Pass-over tapping apparatus |