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Class 204/196.35 - Helically wound


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus having the cable, chain, or wire wound as a helix
No. of patents: 5
Last issue date: 03/13/2007


NumberTitleIssue Date
7189312Under water cable system having an earthing electrode
An earthing electrode assembly and method for providing a submerged electrical apparatus with an earth path, the electrode assembly having an earthing electrode, an attachment device for attaching the electrode assembly to a cable, and an insulated electrical connec...
03/13/2007
7081187Internal cathodic protection system
A cathodic protection system for internal surfaces of a pipeline is provided which includes a flexible anode assembly having a first and a second end and having at least one flexible anode wire having a first end and a second end. First and second removable pressure...
07/25/2006
6858117Cathodic protection device for flexible pipes
The flexible pipe comprises a plastic sealing sheath and an inner plastic sheath which define an annular space in which structural elements are placed. The structural elements comprising at least one armor ply consisting of metal wires wound helically with a long pi...
02/22/2005
4798657Cathodic protection system
A protective apparatus adapted for limiting corrosive effects of a liquid stored in a metallic storage tank. The apparatus includes anode means for carrying an impressed current to produce an electrolytic effect and inhibit corrosive interaction between t...
01/17/1989
4292149Current rope anodes
The invention provides a submergeable structure provided with cathodic protection means comprising a flexible impressed current anode assembly including at least one elongate electrode wound around a rope and lying in the depressions between the strands o...
09/29/1981
 
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