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Bending device
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Patent number 11,565,298
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Issue date Jan 31, 2023
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NUMALLIANCE
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Jean-Paul Bruyas
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Helical bending device
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Patent number 10,913,097
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Issue date Feb 9, 2021
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Hubbell Incorporated
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James Archer
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Bending and molding mechanism
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Patent number 10,780,481
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Issue date Sep 22, 2020
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Jiangsu University of Science and Technology Industrial Technology Research I...
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Wenxian Tang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Universal dies of controllable curvature
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Patent number 9,956,600
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Issue date May 1, 2018
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Fairmount Technologies, LLC
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Viswanathan Madhavan
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Plastic pipe bender
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Patent number 5,125,825
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Issue date Jun 30, 1992
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Michael J. Janosco
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Bending apparatus
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Patent number 4,665,731
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Issue date May 19, 1987
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Sinsei Mfg. Co., Ltd.
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Sigenori Yagi
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tube forming process
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Patent number 4,157,654
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Issue date Jun 12, 1979
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The Babcock & Wilcox Company
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Kurt J. Kahlow
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3740995
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Patent number 3,740,995
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Issue date Jun 26, 1973
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2946369
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Patent number 2,946,369
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Issue date Jul 26, 1960
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2844185
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Patent number 2,844,185
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Issue date Jul 22, 1958
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2507748
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Patent number 2,507,748
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Issue date May 16, 1950
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2357447
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Patent number 2,357,447
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Issue date Sep 5, 1944
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2245407
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Patent number 2,245,407
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Issue date Jun 10, 1941
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1996838
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Patent number 1,996,838
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Issue date Apr 9, 1935
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1936765
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Patent number 1,936,765
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Issue date Nov 28, 1933
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1891338
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Patent number 1,891,338
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Issue date Dec 20, 1932
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1351472
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Patent number 1,351,472
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Issue date Aug 31, 1920
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...