| Patents for B23D 21 - Machines or devices for shearing or cutting tubes (3,019) |
|---|
| 11/03/1981 | US4298063 Methods and apparatus for severing conduits |
| 10/27/1981 | US4296551 Racheting pipe cutter |
| 10/27/1981 | CA1111241A1 Device for marking and/or cutting pipes |
| 10/13/1981 | US4294147 Tube cutting apparatus |
| 10/13/1981 | US4294011 Tube cutter |
| 09/22/1981 | US4290906 Nuclear reactors |
| 07/22/1981 | EP0032148A1 Device for cutting pipes |
| 07/21/1981 | US4279181 Tool control head for pipe and tubing cutting machine |
| 06/09/1981 | US4271733 Rotary tools |
| 06/09/1981 | US4271591 Pipe-cutter with interchangeable chains |
| 06/02/1981 | US4270269 Combination pipe-cutter and deburring tool |
| 05/26/1981 | US4268959 Pipe cutter |
| 05/05/1981 | US4265430 Device for marking and/or cutting pipes |
| 04/21/1981 | CA1099458A1 Portable power drive |
| 03/24/1981 | US4257295 Multiple purpose cutter apparatus |
| 02/10/1981 | CA1095478A1 Coil breakaway apparatus |
| 02/05/1981 | WO1981000225A1 Device for cutting pipes |
| 02/03/1981 | CA1094940A1 Pipe cutting tool |
| 01/27/1981 | US4247234 Pipe grooving tool |
| 12/23/1980 | US4240503 Blowout preventer shearing and sealing rams |
| 11/25/1980 | US4235137 Tube cutter |
| 11/18/1980 | US4233871 Notching tool |
| 10/14/1980 | US4227431 Axial tube cutter for severing electrical connector coupling rings |
| 09/30/1980 | US4224737 Pipe cutter with easily detachable handle |
| 09/23/1980 | CA1086045A1 Tube cutter with a ratchet handle |
| 08/19/1980 | CA1083948A1 Cut-off die set |
| 08/06/1980 | EP0013832A1 Method and apparatus for making rings from tube stock |
| 07/22/1980 | US4213357 Cutting device for pipe jackets |
| 06/24/1980 | US4209274 Portable power drive |
| 06/10/1980 | US4206664 Pipe cutting device |
| 06/10/1980 | CA1079051A1 Pipe cutter of the ratchet type |
| 06/03/1980 | US4205569 Tube cutting apparatus |
| 06/03/1980 | US4205566 Machine for mass production cutting of tubes |
| 05/13/1980 | CA1077388A1 Tube cutting machine with break off means |
| 04/15/1980 | CA1075452A1 Internal pipe cutter |
| 03/25/1980 | US4194422 Tubing notcher |
| 03/04/1980 | US4191318 Breakaway uncoiler |
| 02/07/1980 | WO1980000138A1 Method and device for cutting off elongated hollow elements |
| 01/29/1980 | US4185525 Method of and apparatus for cutting substantially vertically disposed pipe |
| 01/15/1980 | CA1069771A1 Multiple size culvert pipe rolling machine |
| 01/09/1980 | EP0006374A1 Apparatus for tightening chains and set of interchangeable chains for cutting or spanning tubes |
| 12/11/1979 | US4177559 Internal pipe cutter |
| 12/11/1979 | US4177558 Internal cutter for trimming plastic pipe |
| 12/11/1979 | US4177557 Tube cutter with a ratchet handle |
| 12/04/1979 | US4176774 Coil breakaway device |
| 10/23/1979 | CA1065021A1 Electrical discharge machining method for making die jaw inserts for tube cutoff machines |
| 09/11/1979 | CA1062027A1 Subsea machine tool |
| 09/04/1979 | CA1061526A1 Apparatus for stripping rod-shaped articles such as a cable or the like |
| 08/28/1979 | US4165664 Apparatus for cutting cans |
| 07/24/1979 | US4162383 Oxy-arc apparatus for cutting inside a pipe |
| 06/26/1979 | CA1057036A1 Apparatus and method for forming truss tubular web components having flat symmetrically bifurcated ends |
| 06/19/1979 | US4158417 Method of and apparatus for cutting out the packaging material of a cylindrical package |
| 06/19/1979 | CA1056714A1 Universal double cut die set |
| 06/12/1979 | USRE30025 Universal double cut die set |
| 06/12/1979 | US4157615 Pipe cutter of the ratchet type |
| 05/16/1979 | EP0001893A1 Internal tube cutters |
| 04/17/1979 | US4149312 Pipe cutter |
| 03/20/1979 | CA1050826A1 Can trimming apparatus |
| 03/06/1979 | US4142429 Internal tube cutter |
| 02/13/1979 | US4138911 Cutting tool |
| 01/30/1979 | CA1047390A1 Hammer ram press |
| 01/09/1979 | US4133105 Internal pipe cutter |
| 01/02/1979 | US4132265 Pipe shearing ram assembly for blowout preventer |
| 01/02/1979 | CA1045364A1 Cutter for helically corrugated tube for flexible gas insulated cable |
| 12/19/1978 | US4130031 Wire stripper |
| 12/19/1978 | CA1044456A1 Cutter for corrugated pipe for flexible gas insulated transmission line |
| 11/21/1978 | US4126064 Preparation of annular blanks from tube stock |
| 11/14/1978 | CA1042341A1 Tube cutoff apparatus |
| 10/17/1978 | USRE29803 Pipe cutting tool |
| 09/19/1978 | US4114485 Pipe cutter and beveler |
| 09/12/1978 | US4112794 Tube cutter with phase changer |
| 09/05/1978 | US4111346 Tube cutting machine with break-off means |
| 08/29/1978 | US4109555 Universal double cut die set |
| 08/22/1978 | US4108029 Cut-off die set |
| 08/15/1978 | CA1036485A1 Tubing cutting apparatus |
| 08/01/1978 | US4103419 Pipe cutter |
| 05/30/1978 | US4091533 Pipe-cutting apparatus |
| 05/30/1978 | US4091514 Subsea machine tool |
| 04/18/1978 | US4084463 Apparatus for cutting and chamfering irregular shaped pipes |
| 04/04/1978 | US4082022 Tube cutting apparatus |
| 03/14/1978 | US4078304 Cutter for corrugated pipe for flexible gas insulated transmission line |
| 02/07/1978 | US4072073 Machine for cutting pipe and tubing |
| 01/17/1978 | US4068711 Casing cutter |
| 12/20/1977 | US4063355 Cutter for helically corrugated tube for flexible gas insulated cable |
| 11/22/1977 | US4059036 Shearing hollow stock |
| 10/25/1977 | US4055100 Severing knife for tube cutoff apparatus |
| 10/18/1977 | US4054069 Elbow-making machine |
| 09/13/1977 | US4047568 Method and apparatus for cutting and retrieving casing from a well bore |
| 07/19/1977 | US4036091 Universal double cut die set |
| 07/19/1977 | US4036089 Device for shearing rod sections on an automatic multi-stage cross-fed press |
| 06/28/1977 | US4031792 Hammer ram press |
| 06/21/1977 | US4030432 Can trimming apparatus |
| 06/21/1977 | US4030392 Can slitting device |
| 05/24/1977 | US4025219 Pipe machining apparatus, particularly combination pipe threading and cutting machine |
| 04/05/1977 | US4015496 Dimpleless tube cutoff device |
| 03/29/1977 | US4014201 Apparatus and method for forming truss tubular web components having flat symmetrically bifurcated ends |
| 03/22/1977 | US4012972 Band applying apparatus |
| 01/18/1977 | US4003279 Shearing tube stock |
| 01/18/1977 | US4003278 Tube cutting apparatus |
| 12/28/1976 | US3999292 Pipe cutting tool |