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DIFF Subclass Not Allocatable
B29D

PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B9/00; making preforms B29B11/00)

Introduced: September 1968

Description

B29D covers the manufacture of finished or semi-finished plastic articles through various forming and shaping processes applied to plastic materials or substances in a plastic state. This subclass encompasses diverse production techniques including molding, extrusion, thermoforming, casting, and lamination, applied to create specific end products such as containers, films, tubes, sheets, and composite structures. The classification focuses on the article-specific manufacturing processes rather than the general working methods, which are covered in the parent class B29C, or the machines and equipment used in production.

Title

Titles differ between systems:

IPC: PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE

CPC: PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B9/00; making preforms B29B11/00)

Full Title

Full titles differ between systems:

IPC:

PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE

CPC:

PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B9/00; making preforms B29B11/00)

Additional Content IPC

Glossary

Bearing bearings Plastic device to allow constrained relative motion between two or more parts, typically rotation or linear movement. Bush bushes Thin plastic sleeve or tubular lining serving as a bearing or guide. Carrier of records a body, such as a cylinder, disc, card, tape, or wire, capable of permanently holding information, which can be read-off by a sensing element movable relatively to the record carrier.

Limiting references

Making granules Making performs Manufacture of layers comprising fibrous parallel reinforcements of substantial or continuous length Connection of valves to inflatable elastic bodies

IPC and CPC are identically structured here. All 20 subcodes exist in both systems.

9 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B29D 15/00 Producing gear wheels or similar articles with grooves or projections, e.g. control knobs IPC+CPC Available in IPC and CPC
  • B29D 16/00 Producing articles with corrugations (B29D23/18 takes precedence) since 1985 IPC+CPC Available in IPC and CPC
  • B29D 25/00 Producing frameless domes IPC+CPC Available in IPC and CPC
  • B29D 33/00 Producing bushes for bearings since 2010 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B29,2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
  2. BOEING COMPANY US 3,087
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
  4. SUMITOMO RUBBER IND 1,784
  5. GE (GENERAL ELECTRIC COMPANY) US 1,663
  6. CANON 1,658
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
  8. TORAY INDUSTRIES JP 1,555
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
  10. LG CHEM KR 1,415

Top Applicants (CPC)

Class B29,2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
  2. BOEING COMPANY US 3,701
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
  5. TORAY INDUSTRIES JP 2,133
  6. GE (GENERAL ELECTRIC COMPANY) US 2,069
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
  8. LG CHEM KR 1,962
  9. DOW GLOBAL TECHNOLOGIES US 1,896
  10. CONTINENTAL REIFEN DE 1,725