| Patents for B21D 55 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass (1,032) |
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| 03/17/2010 | CN101670680A Safety light curtain for punch and self inspection method thereof |
| 03/17/2010 | CN101670408A Punching-preventing safety device for pneumatic-hydraulic punch |
| 03/10/2010 | CN201419196Y Gasket flattening machine |
| 03/03/2010 | CN201416580Y Protection device for clamping air cylinder joint |
| 02/24/2010 | CN101653811A L type stroke limit plate installed from side face of automobile mould |
| 02/17/2010 | CN201407475Y Forced protection device of pressure machine |
| 02/10/2010 | CN201399544Y L-shaped stroke-limiting plate mounted from side surface of automobile die |
| 02/09/2010 | US7658089 Automated monitoring for clinching joints |
| 01/27/2010 | CN201389601Y Bottom dead center zeroing device of punch press |
| 01/27/2010 | CN201389591Y Thimble type part forming and stamping device |
| 01/27/2010 | CN100584480C Hub unit radial digital control rotary riveting equipment |
| 01/06/2010 | CN201376060Y Punch safety control switch |
| 01/06/2010 | CN101618419A Safety device of mini-type punching equipment |
| 12/30/2009 | CN201371206Y Punch protecting device |
| 12/23/2009 | CN201368317Y Signal detection device in operation area of punching machine tool |
| 12/15/2009 | US7631528 Die cushion mechanism, and apparatus and method for controlling the same |
| 12/02/2009 | CN101590508A Balance slide block device used for crank slide block mechanism |
| 11/25/2009 | CN201351803Y Press machine with safety screen |
| 11/25/2009 | CN201350486Y Small-diameter circular riveting point laminating device |
| 11/18/2009 | EP2118555A1 Safety device for a machine |
| 11/18/2009 | CN201348130Y High-reliability punch automatic protection device |
| 10/29/2009 | US20090266126 Systems and methods for monitoring and controlling a can necking process |
| 10/14/2009 | EP1957217B1 Switching device, especially floor switch, for a production device |
| 10/14/2009 | CN201326889Y Safety lever for punching machine |
| 10/07/2009 | CN101549366A A pad flatter |
| 10/01/2009 | US20090241625 Turned blank monitor |
| 09/30/2009 | CN201316773Y Pneumatic-hydraulic punch punching-resistant safety device |
| 09/16/2009 | CN101530885A A top dead point automatic compensation method of punching machine |
| 09/09/2009 | CN101528382A Method and apparatus for detecting unsafe conditions |
| 09/02/2009 | CN101518808A Overload protective device of punch |
| 08/05/2009 | CN201283402Y Overload protection device of bending machine balance shaft |
| 07/29/2009 | EP2081757A1 Press |
| 07/29/2009 | CN201279559Y Over-run safety device of stamping machine |
| 07/15/2009 | CN201271713Y Upper die buffer gear of small-sized stamping apparatus |
| 07/08/2009 | CN100509203C Hand guard device of punch machine |
| 05/27/2009 | CN201244633Y Automatic lower slide preventing device for punch press |
| 05/27/2009 | CN100491803C Safety device and protection method for machine |
| 05/26/2009 | CA2644861A1 Stop block for stamping presses |
| 05/21/2009 | US20090126434 Press machine, and method for controlling press machine |
| 05/07/2009 | DE10327388B4 Schutzeinrichtung Protective device |
| 04/29/2009 | CN201228847Y Position safety inspection device |
| 04/29/2009 | CN101418904A Self reflecting infrared punching machine safety device |
| 04/08/2009 | CN101402113A Bender trunnion shaft overload safeguard |
| 04/08/2009 | CN100475373C Method for monitoring life period of mechanical manufacturing system and cool-shaped tool |
| 04/07/2009 | US7513135 Manufacturing device, particularly a folding press, having electronic tool detection |
| 04/01/2009 | EP2040862A2 Method and apparatus for detecting unsafe conditions |
| 04/01/2009 | CN101398124A Punching machine safety protection device |
| 03/26/2009 | US20090078016 Die cushion controller |
| 03/18/2009 | CN201208624Y Scrap-removing apparatus for punching capacitor aluminum shell |
| 03/18/2009 | CN101386048A Hub unit radial numerical control rotate riveting device |
| 02/26/2009 | US20090049879 Rotary Fill Member for a Die Assembly |
| 02/04/2009 | CN100457313C Up buffer device of punch press |
| 01/20/2009 | CA2414728C Transfer device and method for controlling a transfer device |
| 01/14/2009 | CN201180895Y Protection apparatus of press machine |
| 01/14/2009 | CN101342563A Automatic lower slide preventing device for punch press |
| 01/07/2009 | CN201177151Y Small-sized single machine stamping equipment security device |
| 12/17/2008 | CN201166252Y Punching machine bis-falling protecting equipment |
| 11/25/2008 | US7454935 Safety method and optoelectronic sensor |
| 11/11/2008 | US7448242 Method for securing a machine tool and opto-electronic sensor for carrying out such a method |
| 11/11/2008 | US7448241 Safety system |
| 11/04/2008 | US7446301 Safety mechanism comprising a height-adjustable holding device |
| 10/22/2008 | CN201137803Y Punching machine for mounting area induction apparatus |
| 10/22/2008 | CN201136028Y Protecting device for processing desuperheating blocks during steel-smelting by punching machine |
| 10/15/2008 | CN201133559Y Press machine guarding device |
| 09/24/2008 | CN201120638Y Material block-resistant apparatus of high speed blanking mold for thin belt material |
| 09/09/2008 | US7421871 Pressing tool and pressing process for extruding press fittings |
| 09/03/2008 | CN101254516A Bending device |
| 08/27/2008 | CN201106751Y Punch safety dual-starting device using tri-detection circuit |
| 08/27/2008 | CN201106747Y Punch safety dual-control device using ultrasonic sensor |
| 08/27/2008 | CN201106746Y Punch safety dual-starting dual-control device using ultrasonic sensor |
| 08/27/2008 | CN201106745Y Punch safety dual-starting device using ultrasonic sensor |
| 08/20/2008 | EP1957217A1 Switching device, especially floor switch, for a production device |
| 08/20/2008 | CN101245891A Safety device of miniature single-machine punch equipment |
| 08/19/2008 | US7412861 Device for monitoring an area of coverage on a work tool |
| 08/07/2008 | WO2008092588A1 Safety device for a machine |
| 08/06/2008 | CN201094981Y Buffering positioning guard board of machine for reducing the diameter of tube end |
| 07/17/2008 | US20080168816 Rivet monitoring system |
| 07/17/2008 | US20080168815 Multi-Stage Process Handling Equipment |
| 07/15/2008 | US7398665 Deformation of thin walled bodies |
| 07/03/2008 | DE19749002B4 Pressenüberwachungssystem Press monitoring system |
| 06/12/2008 | US20080134740 Sensing system for sheet metal forming tool |
| 06/05/2008 | WO2008002555A3 Method and apparatus for detecting unsafe conditions |
| 06/04/2008 | CN100391643C Die cushion mechanism, and apparatus and method for controlling the same |
| 05/14/2008 | CN100387371C Full-automatic bimetal element forming machine |
| 05/07/2008 | CN100386160C Control system |
| 04/30/2008 | CN201053566Y Punch operation safe protection device |
| 04/30/2008 | CN201053565Y Punch safety device for hand |
| 04/30/2008 | CN201052543Y Hand protecting device for punching machine |
| 04/23/2008 | CN100382913C Safe pressure dies |
| 04/10/2008 | WO2008040112A1 Piezoelectric polymer sensor device |
| 04/09/2008 | CN101158440A Punching machine safety double actuating apparatus using three testing circuit |
| 04/03/2008 | WO2008038105A1 Press |
| 03/20/2008 | US20080066511 Workpiece displacement system |
| 03/13/2008 | US20080065256 Control System |
| 03/12/2008 | EP1896203A1 Imaging and safety system and method for an industrial machine |
| 03/12/2008 | CN201034235Y Infrared shearing equipment protector |
| 02/27/2008 | CN201028256Y Hand-press proof device of stamper |
| 01/30/2008 | CN201014170Y Handguard alarming device of punching machine |
| 01/30/2008 | CN201014169Y Foot pedal punching machine safety device |
| 01/23/2008 | EP1401597A4 Safety device for fluid operated machines |