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  1. Technology classes
  2. /B · Performing operations
  3. /B29 · Working of plastics
  4. /B29L · Indexing scheme associated with subclass b29c, relating to particular articles
  5. /B29L 2031/00 · Indexing scheme associated with subclass b29c, relating to particular articles: other particular
  6. /B29L 2031/712 · Containers
  7. /B29L 2031/7176
B29L 2031/7176

Letters

Official title: {Letters}

B29L2031/7176 (Letters) appears on 2 US grants and 2 published applications in this corpus.

Search patents in B29L

Where it sits

  1. BPerforming operations
  2. B29Working of plastics
  3. B29LIndexing scheme associated with subclass b29c, relating to particular articles
  4. B29L 2031/00Indexing scheme associated with subclass b29c, relating to particular articles: other particular
  5. B29L 2031/712Containers
  6. B29L 2031/7176Letters
Granted patents
2
Published applications
2
Assignees
1
Inventors
4
Latest grant
12 Jul 2022

Filings by year

Granted patentsPublished applications
B29L 2031/7176: granted patents and published applications per publication year
YearGranted patentsPublished applications
202112
202210

20212022

By publication year.

Recent patents

  • Forming funnel for constraining cushioned mailers as well as system and method for closing an opening of a mailer12 Jul 2022US 11,383,456 B2Sealed Air Corporation (US)
  • Size reduction of mailers21 Dec 2021US 11,203,452 B2Sealed Air Corporation (US)
  • Size reduction of mailers7 Oct 2021US 2021/0309402 A1Sealed Air Corporation (US)
  • Forming funnel for constraining cushioned mailers as well as system and method for closing an opening of a mailer27 May 2021US 2021/0154949 A1Sealed Air Corporation (US)

Most cited

By later US patents
  • Forming funnel for constraining cushioned mailers as well as system and method for closing an opening of a mailer1US 11,383,456 B2Sealed Air Corporation (US) · 2022

Top assignees

Documents
  • SASealed Air Corporation (US)4

Often classified with

  • B29CShaping or joining of plastics4
  • B43MBureau accessories not otherwise provided for4
  • B65BMachines, apparatus or devices for, or methods of, packaging articles or materials4
  • B65CLabelling or tagging machines, apparatus, or processes2

Documents that also carry the other class.

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