3568140

Information

• Patent Grant
• 3568140

• References
• Source

• Patent Number

  3,568,140

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1971
  54 years ago

• CPC

  • E21B41/0085 - Adaptations of electric power generating means for use in boreholes
  • B06B1/0223 - for generating signals continuous in time
  • B06B1/08 - operating with magnetostriction
  • C23F13/02 - cathodic Selection of conditions, parameters or procedures for cathodic protection
  • C23F13/06 - Constructional parts, or assemblies of cathodic-protection apparatus
  • B06B2201/58 - Magnetostrictive transducer
  • B06B2201/74 - Underwater
  • C23F2213/31 - Immersed structures

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 429 - Chemistry: electrical current producing apparatus, product, and process