3810509

Information

• Patent Grant
• 3810509

• References
• Source

• Patent Number

  3,810,509

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1974
  50 years ago

• CPC

  • F28F3/02 - Elements or assemblies thereof with means for increasing heat-transfer area
  • B21D22/04 - for dimpling
  • B21D53/04 - of sheet metal
  • B21D53/08 - of both metal tubes and sheet metal
  • F28D9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
  • F28F3/044 - the deformations being pontual
  • F28D2021/0094 - for recooling the engine coolant
  • F28F2001/027 - with dimples
  • Y10S165/376 - Air passages defined by spacing projections of sheets
  • Y10T29/49366 - Sheet joined to sheet

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working