| Patents for B21F 3 - Coiling wire into particular forms (1,688) |
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| 01/10/1984 | US4424695 Arrangement for fabricating double conical springs |
| 01/03/1984 | CA1159808A1 Process and machine for manufacturing pieces of revolution made of three-dimensional material of which the generatrix has at least one concave part |
| 11/30/1983 | EP0095027A1 Spring winding machine |
| 11/22/1983 | US4416135 Wire coiling machine |
| 10/11/1983 | US4408639 Coil Manufacturing apparatus |
| 10/11/1983 | CA1155036A1 Arrangement for fabricating double conical springs or the like |
| 09/06/1983 | US4402205 Apparatus for forming helical springs |
| 09/06/1983 | US4402204 Wire coiling machine |
| 08/23/1983 | CA1152300A2 Field winding for dynamoelectric machine and method |
| 08/09/1983 | US4397069 Device and process for the manufacture of vibration-damping and shockproof mountings incorporating at least one helically arranged metal cable and mounting thereby obtained |
| 07/19/1983 | US4393678 Spring coiling machine |
| 06/14/1983 | US4387585 Spring coiling machine with improved coil starter means |
| 04/26/1983 | US4380919 Coil winding machine |
| 04/05/1983 | CA1144041A1 Spring coiling machine with improved feed roll drive means |
| 03/08/1983 | CA1142494A1 Apparatus and method for making dynamoelectric machine windings |
| 02/08/1983 | US4372141 Wire coiling machine |
| 12/07/1982 | US4362038 Wire forming apparatus for torsion springs |
| 11/02/1982 | CA1134568A1 Method and apparatus for looping the outermost convolution of spiral binders for note books or the like |
| 10/19/1982 | US4354888 Process and machine for manufacturing pieces of revolution made of three-dimensional material of which the generatrix has at least one concave part |
| 09/28/1982 | US4351371 Apparatus for producing coils |
| 07/21/1982 | EP0056330A2 Spring coiling machine with improved cut-off means |
| 05/04/1982 | US4327780 Apparatus for looping the outermost convolutions of spiral binders |
| 03/02/1982 | US4317349 Method and apparatus for the manufacture of reinforcement spirals |
| 02/02/1982 | US4313474 Method for the manufacture of a microwave delay line and microwave delay line obtained by this method |
| 01/27/1982 | EP0044464A2 Method of forming a coil spring |
| 12/01/1981 | US4302959 Method of forming helical springs |
| 11/04/1981 | EP0039264A2 Method and apparatus for making bodies of revolution from yarns |
| 10/27/1981 | US4296621 Machines for forming coiled springs |
| 09/22/1981 | CA1109301A1 Torsion coiler |
| 09/15/1981 | US4289004 Coil spring manufacturing machine |
| 07/08/1981 | EP0031581A2 Coil manufacturing apparatus |
| 05/19/1981 | US4267865 Apparatus for producing coils |
| 04/16/1981 | WO1981000974A1 Spring coiling machine with improved feed roll drive means |
| 03/31/1981 | US4258561 Coiling machine |
| 11/04/1980 | CA1088907A1 Winding machine |
| 10/14/1980 | US4227392 Spring winding machine |
| 07/29/1980 | US4214466 Apparatus for the winding of helical springs |
| 07/29/1980 | CA1082537A1 Forming process |
| 07/15/1980 | US4212179 Driven mandrel and method |
| 07/09/1980 | EP0013212A1 Manufacturing method for a microwave delay line |
| 07/08/1980 | US4211100 Wire spring forming machine |
| 07/01/1980 | CA1080452A1 Method and apparatus for forming a row of spring coils from a continuous length of wire |
| 06/24/1980 | US4208896 Wire coiling apparatus |
| 06/10/1980 | US4207127 Method of producing a continuous flexible tubular conduit |
| 06/03/1980 | US4205543 Spring winder |
| 05/20/1980 | US4203477 Material working machine mounting tools in several planes |
| 05/06/1980 | US4201035 Winding machine |
| 03/11/1980 | US4192126 Coiling machine |
| 01/22/1980 | US4184350 High-production method and apparatus for making spiral convolution electrical heating coils |
| 11/20/1979 | US4175228 Method of hot bending a generally straight wire blank |
| 11/06/1979 | US4173135 Machine for coiling metal wire |
| 10/30/1979 | US4172374 Wire-coiling machine |
| 07/24/1979 | CA1059226A1 Universal line tie, particularly for securing electrical transmission lines |
| 06/26/1979 | CA1057166A1 Tool for making convolution wire decorative elements |
| 04/04/1979 | EP0001240A1 Machine for coiling helical springs |
| 04/03/1979 | CA1051643A1 Apparatus and method for use in winding coils |
| 04/03/1979 | CA1051642A1 Apparatus and method for use in developing wound coils |
| 03/21/1979 | EP0001107A1 Method of and device for coiling prestressed helical springs |
| 03/21/1979 | EP0001055A1 Method and apparatus for forming a row of spring coils from a continuous length of wire |
| 01/23/1979 | US4135869 Apparatus for producing a continuous flexible tubular conduit |
| 01/02/1979 | US4132094 Machine for forming helicoidal springs |
| 11/14/1978 | CA1042408A1 Device for manufacturing coils |
| 11/07/1978 | US4123928 Helix winding apparatus |
| 09/12/1978 | US4112726 Method and apparatus for forming a row of spring coils from a continuous length of wire |
| 09/12/1978 | US4112721 Nc coil spring manufacturing apparatus |
| 06/27/1978 | US4096815 Forming process |
| 05/23/1978 | US4090425 Wire coiling machine fluid cutoff |
| 04/18/1978 | US4084420 Method and an apparatus for producing a coiled spring |
| 12/27/1977 | US4064732 Coil actuating apparatus in a coil spring making machine |
| 09/06/1977 | US4046175 Precision level coil winding apparatus |
| 08/30/1977 | US4044583 Method and apparatus for making elongated flat wire coils |
| 06/21/1977 | US4030327 Spring coiling machine with improved drive means |
| 06/14/1977 | US4028920 Apparatus for high speed winding of coils |
| 05/31/1977 | US4026135 Spring coiling machine with auxiliary drive and control |
| 04/19/1977 | US4018071 Spring winding machine with improved pitch mechanism |
| 04/19/1977 | US4018070 Electro-mechanical drive for torsion winders and the like |
| 03/29/1977 | US4015073 Universal line tie and method of making same |
| 02/22/1977 | US4008594 Wire coiling machine |
| 11/09/1976 | US3990220 Method and apparatus for forming wound music string |
| 11/02/1976 | US3988915 Method and apparatus for the production of prestressed coil springs |
| 10/05/1976 | US3983912 Assemby for preforming a plurality of wires during helical winding |
| 10/05/1976 | US3983732 Spring forming machine |
| 08/10/1976 | US3973600 Method and apparatus for feeding, cutting, stripping, coiling and tying off elongated flexible material |
| 08/03/1976 | US3972214 Machine for manufacturing wire coils |
| 07/20/1976 | US3970882 Carbon brush assembly |
| 06/22/1976 | US3964736 Helical extension spring and method of making same |
| 01/27/1976 | US3935413 Apparatus for stress relieving springs and the like |
| 01/27/1976 | US3934445 Dual purpose spring coiling machine |