Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
B62D 21/00

Understructures, i.e. chassis frame on which a vehicle body may be mounted

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Subclass:
MOTOR VEHICLES; TRAILERS

Related Keywords

vehicle CHASSIS framesUNDERCARRIAGES for motor vehicles

13 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B62D 21/06 of X-shaped or fork-shaped construction, i.e. having members which form an X or fork as the frame is seen in plan view
  • B62D 21/07 wide-hipped frame type, i.e. a wide box-shaped mid portion with narrower sections extending from said mid portion in both fore and aft directions
  • B62D 21/08 built-up with interlaced cross members ("Fachwerkrahmen")
  • B62D 21/09 Means for mounting load bearing surfaces
  • B62D 21/1 in which the main member is plate-like
  • B62D 21/11 with resilient means for suspension
  • B62D 21/12 assembled from readily-detachable parts
  • B62D 21/14 of adjustable length or width
  • B62D 21/15 having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
  • B62D 21/16 having fluid storage compartment
  • B62D 21/17 forming fluid or electrical conduit means or having other means to accommodate the transmission of a force or signal

Top Applicants

Top 10 applicants by patent filingsfor class B62, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HONDA MOTOR COMPANY JP 5,614
  2. HONDA MOTOR COMPANY 5,534
  3. TOYOTA MOTOR CORPORATION 5,128
  4. HYUNDAI MOTOR COMPANY KR 4,603
  5. FORD GLOBAL TECHNOLOGIES US 4,110
  6. SHIMANO JP 4,017
  7. KIA MOTORS CORPORATION KR 3,365
  8. BMW (BAYERISCHE MOTOREN WERKE) DE 3,336
  9. ROBERT BOSCH DE 2,971
  10. TOYOTA MOTOR CORPORATION JP 2,936