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  1. Technology classes
  2. /B · Performing operations
  3. /B21 · Mechanical metal-working without essentially removing material
  4. /B21C · Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products
  5. /B21C 37/00 · Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products
  6. /B21C 37/06 · Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products
  7. /B21C 37/10 · Making tubes with seams being neither welded nor soldered
  8. /B21C 37/102
B21C 37/102

Of coated strip material

Official title: {of coated strip material; Making multi-wall tubes}

B21C37/102 (Of coated strip material) appears on 3 US grants and 5 published applications in this corpus.

Search patents in B21C

Where it sits

  1. BPerforming operations
  2. B21Mechanical metal-working without essentially removing material
  3. B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products
  4. B21C 37/00Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products
  5. B21C 37/06Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products
  6. B21C 37/10Making tubes with seams being neither welded nor soldered
  7. B21C 37/102Of coated strip material
Granted patents
3
Published applications
5
Assignees
2
Inventors
7
Latest grant
10 Oct 2023

Filings by year

Granted patentsPublished applications
B21C 37/102: granted patents and published applications per publication year
YearGranted patentsPublished applications
198910
199000
199110
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199500
199600
199700
199800
199900
200000
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200601
200700
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200901
201000
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201202
201300
201400
201500
201600
201700
201800
201900
202001
202100
202200
202310

1989199920092023

By publication year. Applications have been published since 2001.

Recent patents

  • Methods for making layered tubular structures10 Oct 2023US 11,779,981 B2
  • Fabric covered metal rail and method for producing same17 Sep 1991US 5,049,424 AHunter Douglas Inc.
  • Method for producing a fabric covered metal rail12 Sep 1989US 4,864,712 AHunter Douglas Inc.
  • Methods for making layered tubular structures10 Sep 2020US 2020/0282440 A1
  • Clad rolled metal tube26 Apr 2012US 2012/0097288 A1Luvata Oy
  • Clad rolling mill for joining one or more profiles26 Apr 2012US 2012/0097732 A1Luvata Oy
  • Method for producing a metal tube by clad rolling one more profiles to form at least one channel, a clad rolling mill for joining one or more profiles, a clad rolled metal tube22 Oct 2009US 2009/0263598 A1Luvata Oy
  • Convoluted heat shield7 Dec 2006US 2006/0272795 A1

Most cited

By later US patents
  • Fabric covered metal rail and method for producing same17US 5,049,424 AHunter Douglas Inc. · 1991
  • Method for producing a fabric covered metal rail6US 4,864,712 AHunter Douglas Inc. · 1989

Top assignees

Documents
  • LLuvata Oy3
  • HDHunter Douglas Inc.2

Often classified with

  • Y10TTechnical subjects covered by former us classification6
  • B29CShaping or joining of plastics4
  • B32BLayered products, i.e. products built-up of strata of flat or non-flat4
  • B21DWorking or processing of sheet metal or metal tubes, rods or profiles3
  • B23KSoldering or unsoldering3
  • F16LPipes3
  • F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange3
  • F28FDetails of heat-exchange and heat-transfer apparatus, of general application3
  • B29LIndexing scheme associated with subclass b29c, relating to particular articles2
  • B65HHandling thin or filamentary material2

Documents that also carry the other class.

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