Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
B29C 63/00

Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor (B29C73/00 takes precedence; by blowing B29C49/00; by thermoforming B29C51/00)

Introduced: January 1985

Title

Titles differ between systems:

IPC: Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor

CPC: Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor (B29C73/00 takes precedence; by blowing B29C49/00; by thermoforming B29C51/00)

Full Title

Full titles differ between systems:

IPC:

Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor

CPC:

Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor (B29C73/00 takes precedence; by blowing B29C49/00; by thermoforming B29C51/00)

CPC subdivides this area 3x more granularly than IPC with 13 additional codes.

13 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

Navigate with arrow keys, Enter to open

  • B29C 2063/006 2nd only CPC only CPC only
  • B29C 63/0043 CPC only CPC only
  • B29C 63/0047 CPC only CPC only
  • B29C 63/0052 CPC only CPC only
  • B29C 63/0056 CPC only CPC only
  • B29C 63/0091 CPC only CPC only
  • B29C 63/0095 CPC only CPC only
  • B29C 63/22 using layers or sheathings having a shape adapted to the shape of the article (B29C63/26 take precedence) since 1985 IPC+CPC Available in IPC and CPC
  • B29C 63/24 using threads since 1985 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