B21G - Making needles, pins, or nails

More topics under "B21G - Making needles, pins, or nails" (1,318)
B21G 1 - Making needles used for performing operations (637)
B21G 3 - Making pins, nails, or the like (584)
B21G 5 - Making pins or nails with attached caps or with coated heads (57)
B21G 7 - Making pins of u-like shape or split-pins (40)

Patents for B21G - Making needles, pins, or nails (14)
04/2014
04/29/2014	US8709331 Apparatus and method for manufacturing microneedles
07/2010
07/08/2010	US20100171242 Apparatus and Method for Manufacturing Microneedles
05/2010
05/04/2010	US7708544 Apparatus and method for manufacturing microneedles
05/2008
05/01/2008	US20080099963 Apparatus And Method For Manufacturing Microneedles
06/2005
06/02/2005	WO2005009645A3 Apparatus and method for manufacturing microneedles
02/2005
02/03/2005	WO2005009645A2 Apparatus and method for manufacturing microneedles
03/1993
03/24/1993	EP0382773B1 A method of machining an oblong workpiece and a machine for performing the method
10/1992
10/21/1992	CN1018722B Method of machining oblong workpiece and machine for performing method
02/1992
02/26/1992	CN1015606B Tool ring, method of making it, and holding tool for use in the performance of the method
06/1991
06/04/1991	US5020353 Method of machining an oblong workpiece and a machine for performing the method
08/1990
08/22/1990	EP0382773A1 A method of machining an oblong workpiece and a machine for performing the method.
07/1989
07/26/1989	CN1034155A Method of machining oblong workpiece and machine for performing method
05/1989
05/05/1989	WO1989003735A1 A method of machining an oblong workpiece and a machine for performing the method
12/1987
12/16/1987	CN87102982A Tool ring, method of making it, and holding tool for use in the performance of the method