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B21D13/06

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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D13/00Corrugating sheet metal, rods or profiles Bending sheet metal, rods or profiles into wave form

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B21D13/06by drawing

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Patents Grantslast 30 patents

Information Patent Grant
Corrugated plate manufacturing apparatus
- Patent number 10,022,765
- Issue date Jul 17, 2018
- DENSO CORPORATION
- Kazuhiro Mitsukawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Support for a grain bin floor and method of making the same
- Patent number 9,132,461
- Issue date Sep 15, 2015
- Sukup Manufacturing Co.
- Steven E. Sukup
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Corrugated fin manufacturing apparatus
- Patent number 8,973,420
- Issue date Mar 10, 2015
- Hidaka Seiki Kabushiki Kaisha
- Toshiyuki Nanaarashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Support for a grain bin floor and method of making the same
- Patent number 8,950,231
- Issue date Feb 10, 2015
- Sukup Manfucaturing Co.
- Steven E. Sukup
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
SUPPORT FOR A GRAIN BIN FLOOR AND METHOD OF MAKING THE SAME
- Publication number 20130276504
- Publication date Oct 24, 2013
- Steven E. Sukup
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CORRUGATED FIN MANUFACTURING APPARATUS
- Publication number 20110203341
- Publication date Aug 25, 2011
- Toshiyuki NANAARASHI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method and Jig for Manufacturing Metallic Catalyst Carrier
- Publication number 20090193643
- Publication date Aug 6, 2009
- CALSONIC KANSEI CORPORATION
- Akio Sano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR