TREA

Rollers of special shape

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Industry

  • CPC
  • B21D39/18
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D39/00Application of procedures in order to connect objects or parts

Current Industry

B21D39/18Rollers of special shape
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Muffler and tail pipe expander and cleaner
    • Patent number 4,055,064
    • Issue date Oct 25, 1977
    • Virgle L. Schow
    • B08 - CLEANING
  • Information Patent Grant

    3797297
    • Patent number 3,797,297
    • Issue date Mar 19, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2898971
    • Patent number 2,898,971
    • Issue date Aug 11, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2470005
    • Patent number 2,470,005
    • Issue date May 10, 1949
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1525288
    • Patent number 1,525,288
    • Issue date Feb 3, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    COLLAR SWAGING OF SINGLE-PIECE CENTRALIZERS
    • Publication number 20170183920
    • Publication date Jun 29, 2017
    • Antelope Oil Tool & Mfg. Co., LLC
    • George W. Ribble
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...