Metal Or Metal Alloy Patents (Class 205/704)
- Internal battery action (Class 205/706)
- With solid-workpiece moving contact (e.g., brushing, etc.) (Class 205/709)
- With changing current (Class 205/710)
- Nonelemental material from ferrous metal (Class 205/712)
- Entire identifiable elemental layer or portion removed (e.g., stripping, etc.) (Class 205/717)
- Using electrolyte containing surface active agent (e.g., foaming or wetting agent, etc.) (Class 205/722)
- Using acidic electrolyte (Class 205/723)
- With control responsive to sensed condition (Class 205/725)
- With programmed, cyclic, or time responsive control (Class 205/729)
- Internal battery action (e.g., using sacrificial anode, etc.) (Class 205/730)
- Metal imbedded in asphalt, concrete, stone, or masonry, (e.g., reinforced concrete, etc.) (Class 205/734)
- Ferrous metal (Class 205/735)
- Using anode containing precious metal (Class 205/738)
- Using anode containing free carbon (e.g., graphite, carbon fibers, etc.) (Class 205/739)
- Vessel (e.g., ship hull, steam boiler, etc.) (Class 205/740)