| Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652) |
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| 03/10/1981 | US4255242 Reference electrode IR drop corrector for cathodic and anodic protection systems |
| 03/10/1981 | US4255241 Cathodic protection apparatus and method for steel reinforced concrete structures |
| 03/10/1981 | US4254853 Friction clutch |
| 02/17/1981 | US4251343 Sacrificial anode apparatus |
| 02/03/1981 | CA1094976A1 Cathodic protection system for a motor vehicle |
| 01/20/1981 | CA1094015A1 Container anode |
| 12/16/1980 | CA1091618A1 Method of operating a chlor-alkali cell |
| 12/09/1980 | US4238551 Composition for inhibiting corrosion of titanium |
| 12/09/1980 | US4238233 Aluminum alloy for cladding excellent in sacrificial anode property and erosion-corrosion resistance |
| 11/25/1980 | US4235681 Anodes for cathodic protection and other electrolytic processes |
| 11/12/1980 | EP0018522A1 Method and apparatus for sustaining a cathodic protection against corrosion |
| 11/04/1980 | US4231852 Device for cathodic corrosion protection employing an external current anode |
| 10/29/1980 | EP0018124A1 Anodically passivated vessel and method of passivating it |
| 10/28/1980 | CA1088458A1 Method of corrosion protection of objects in contact with conducting medium |
| 10/14/1980 | US4228399 Offshore pipeline electrical survey method and apparatus |
| 10/14/1980 | US4227985 Anode assembly |
| 10/07/1980 | US4226694 Cathodic protection system for a motor vehicle |
| 09/17/1980 | EP0015579A1 Test station |
| 09/09/1980 | CA1085345A1 Cathodic water treater |
| 08/26/1980 | US4219807 Sensor system for an impressed cathodic protection circuit |
| 08/12/1980 | CA1083528A1 Method and apparatus for monitoring a cathodically protected corrodible hollow member |
| 08/06/1980 | EP0014030A1 Cathodic protection anode assembly, a method of cathodically protecting structures and structures so protected |
| 08/05/1980 | US4216272 Corrosion resistance |
| 08/05/1980 | US4216070 Protection of stud-link chain-cables by means of soluble anodes |
| 08/05/1980 | US4215794 Tab for easy-open can end |
| 07/24/1980 | WO1980001488A1 Impressed current systemf for cathodic protection |
| 07/22/1980 | CA1082124A1 Maintaining trough electrolyte anodic with auxiliary electrode |
| 07/08/1980 | US4211625 Impressed current cathodic protection system for submersible downhole pumping assembly |
| 07/01/1980 | US4209896 Method of assembly of an anti-corrosion anode connector system |
| 07/01/1980 | US4209889 Corrosion resistant fastening system and method |
| 06/24/1980 | US4209555 Corrosion resistant galvanic coating |
| 06/17/1980 | US4208264 Sensor for determination of the polarization potential and/or the interference of metal structures buried in an electrolyte in a current field |
| 06/17/1980 | CA1079805A1 Diverless cathodic protection data acquisition |
| 06/17/1980 | CA1079509A1 Composition for corrosion protection |
| 05/20/1980 | US4203810 Electrolytic process employing electrodes having coatings which comprise platinum |
| 05/13/1980 | US4202751 Prevention of corrosion of copper alloy parts and hydrogen absorptition in titanium parts |
| 05/13/1980 | US4202750 Sacrificial anode, corrosion resistance |
| 05/06/1980 | US4201637 For steel offshore platform, perforated container, tubes |
| 04/30/1980 | EP0010382A2 Use of treated niobium or tantalum as a connector, such a connector and a cathodic protection system using such a connector |
| 04/01/1980 | US4196064 Marine fouling control |
| 03/25/1980 | CA1074255A1 Cathodic protection for structures at sea by sacrificial anodes__ |
| 03/04/1980 | US4191625 Aluminum marine anode assembly with low resistance surface mountings |
| 02/26/1980 | US4190512 Sacrificial anodes |
| 02/12/1980 | CA1071710A1 Process and apparatus for investigating the activity of a cathodic protection unit |
| 02/05/1980 | US4187164 Anode |
| 02/05/1980 | CA1070985A1 Electrochemically active aluminum alloy |
| 01/22/1980 | US4184938 Apparatus for reducing electrolytic interference with metal structures |
| 12/04/1979 | CA1067257A1 Aluminium brazed composite |
| 11/27/1979 | US4176033 To protect oil and gas wells from galvanic corrosion |
| 11/20/1979 | US4175021 Corrosion resistance |
| 11/20/1979 | CA1066664A1 Segmented sacrificial anode attachment to water heating element |
| 11/13/1979 | CA1066175A1 Aluminum sacrificial anode |
| 11/06/1979 | US4173523 Aluminum with zinc or cadmium and mercury, magnesium and copper |
| 10/23/1979 | US4172181 Aluminum alloy, cladding |
| 10/16/1979 | US4171297 Composed of zinc, dicyclohexylamine nitrate, a vinyl silane coupling agent, and polystyrene dissolved in ethyl acetate |
| 10/16/1979 | US4171254 Shielded anodes |
| 10/09/1979 | US4170532 For underground metallic structures |
| 09/25/1979 | US4169028 Cathodic protection |
| 08/14/1979 | US4164257 Internal protection of well casing |
| 08/07/1979 | CA1059948A1 Ice free self-releasing water tank anode suspension system |
| 07/24/1979 | CA1059214A1 Method and apparatus for measuring the polarizing potential of insulated metal structures |
| 07/17/1979 | CA1058552A1 Electrodes |
| 07/03/1979 | US4160171 Method and apparatus for determining the reference voltage in an impressed current corrosion protection system |
| 06/19/1979 | CA1056766A1 Cathodic protection monitoring apparatus for marine propulsion devices |
| 06/12/1979 | US4157943 Composite electrode for electrolytic processes |
| 05/29/1979 | US4156529 Stuffing box seal for fittings |
| 05/01/1979 | US4152236 Apparatus for controlled potential pitting corrosion protection of long, narrow stainless steel tubes |
| 05/01/1979 | US4152228 Method for reducing electrolytic interference with metal structures |
| 04/24/1979 | US4150980 Aluminum alloy excellent in high-temperature sagging resistance and sacrificial anode property |
| 04/17/1979 | CA1052595A1 Aluminum alloy anode composition |
| 04/03/1979 | US4147608 Impressed current cathodic protection |
| 04/03/1979 | US4147607 Grounding |
| 04/03/1979 | CA1051728A1 Closed-loop cables for submarine anchoring, and anchors fitted with suc cables |
| 03/27/1979 | US4146448 Protection of a stern tube shaft liner |
| 02/27/1979 | US4141725 Zinc, indium, calcium, magnesium |
| 02/20/1979 | US4140614 Internal cathodic protection of pipes |
| 02/06/1979 | US4138323 Apparatus for anodic protection against corrosion of metal objects in contact with electrically conductive media |
| 02/06/1979 | CA1048091A1 Protecting metal heating electrodes of melting furnaces with dc current and apparatus therefor |
| 01/23/1979 | US4136309 Power output control circuit for solar-powered cathodic protection system |
| 01/23/1979 | US4136001 Non-sacrificial anode and water heater construction |
| 01/23/1979 | CA1046985A1 Protective anode |
| 01/23/1979 | CA1046982A1 Corrosion-prevention system |
| 01/16/1979 | US4135013 Method for the prevention of stress corrosion cracking |
| 01/09/1979 | US4133737 Shielded anodes |
| 01/09/1979 | US4133734 Portable sensor for measuring the corrosion endangering and electrochemical protection of a metal structure buried in an electrolyte in a current field |
| 12/26/1978 | CA1045057A1 Pipeline provided with a crack/buckle arrester combined with an anode |
| 12/19/1978 | CA1044759A1 Hot water heater corrosion detector probe |
| 12/19/1978 | CA1044644A1 Cathodic protection system |
| 11/14/1978 | US4125646 Diffusion coating of magnesium in metal substrates |
| 10/31/1978 | US4123335 Voltage measurement with spaced reference electrode |
| 10/17/1978 | US4120760 Forming protective, corrosion resistant coating of zinc; deoxidizing sea water with sulfur dioxide, cathodizing |
| 10/10/1978 | CA1040134A1 Cathodic protection device |
| 09/26/1978 | US4117345 Marine ground isolator |
| 09/26/1978 | US4116782 Corrosion prevention system |
| 09/12/1978 | US4113600 Zinc, aluminum, or magnesium |
| 09/12/1978 | CA1038331A1 Anticorrosive circuit for a buried structure |
| 09/12/1978 | CA1038328A1 Prevention of unwanted deposits in polymerization processes |
| 08/29/1978 | US4110181 Method of handling aqueous solutions of alkali metal hydroxides that are concentrated in respect of alkali metal halides |
| 08/15/1978 | US4107017 Measure of protection against electrochemical corrosion |
| 07/04/1978 | US4098663 Anti-corrosion anode connector system |