| Patents for C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652) |
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| 07/04/1978 | US4098606 Gallium, indium, thallium; homogenizing |
| 06/20/1978 | US4096051 Alloys, epoxy resins |
| 06/06/1978 | US4093529 Sacrificial |
| 05/16/1978 | US4090170 Process and apparatus for investigating the activity of a cathodic protection unit |
| 05/16/1978 | US4089767 Anode system for the cathodic protection of off shore structures |
| 05/02/1978 | US4087742 Hot water heater corrosion detector probe |
| 05/02/1978 | US4087708 Casing for motors having a spherical air gap |
| 04/11/1978 | US4083583 Pipe fitting having a non-metallic sealing member |
| 03/21/1978 | US4080565 Method for measuring the polarization potential of metal structures located in an aggressive medium in a current field and arrangement for execution of this method |
| 03/21/1978 | US4080272 Cathodic protection method and apparatus |
| 03/14/1978 | US4078510 Relating to the cathodic protection of structures |
| 03/07/1978 | US4077742 Propeller shaft anodic protector kit |
| 12/06/1977 | US4061965 Method and apparatus for monitoring a cathodically protected corrodible hollow member |
| 11/29/1977 | US4060472 Anode-fitting assembly |
| 11/29/1977 | US4060461 Method and apparatus for correcting error in corrosion rate measurements |
| 11/08/1977 | US4057473 Method of reducing cell liquor header corrosion |
| 11/01/1977 | US4056446 Diverless cathodic protection data acquisition |
| 11/01/1977 | US4056142 Heat exchange arrangement |
| 09/27/1977 | US4051007 Sacrificial anodes for cathodic protection |
| 09/20/1977 | US4048794 Sealed cables for attachment to submarine anchorages |
| 09/13/1977 | US4047872 Device on pressing piston |
| 08/30/1977 | US4045320 Galvanic anode |
| 08/09/1977 | US4040447 Protection of pipe against damage to insulation and/or corrosion |
| 08/02/1977 | US4039417 Manganese, nickel, cobalt, magnesium, copper, zinc |
| 08/02/1977 | US4039400 Titanium oxide, nickel, lead, tantalum oxide |
| 08/02/1977 | US4039298 Corrosion resistance |
| 07/26/1977 | US4038168 Galvanic anode type cathodic protection apparatus |
| 07/19/1977 | US4036602 Diffusion coating of magnesium in metal substrates |
| 07/19/1977 | US4035903 Method of manufacturing a sacrificial anode rod assembly |
| 06/28/1977 | US4032421 Cleaning of flue gas apparatus |
| 04/19/1977 | US4018715 Ground electrode backfill composition |
| 04/12/1977 | US4017714 Segmented sacrificial anode attachment to water heating element |
| 01/11/1977 | US4002481 Composition for corrosion protection using metal silicides or alloys of silicon and metals |
| 01/04/1977 | US4001469 Method of sealing porous material defining a recess |
| 12/21/1976 | US3998779 Coating method and composition for the sacrificial protection of metal substrates |
| 11/30/1976 | US3994795 Corrosion protection of pipes |
| 11/30/1976 | US3994794 Corrosion protection of pipes |
| 11/16/1976 | US3992272 Submerged offshore platform joint protection |
| 10/05/1976 | US3984612 Method and apparatus for protection of metal heating electrodes of melting furnaces by DC current |
| 08/31/1976 | US3978309 Sacrificial, shaped anode and method of constructing same |
| 08/31/1976 | US3977956 Cathodic protection, pipes |
| 08/10/1976 | US3974055 Indium, zinc |
| 08/03/1976 | US3973056 Inhibition of stress-corrosion cracking of steel pipeline |
| 08/03/1976 | US3972796 Electrolytic apparatus |
| 05/25/1976 | US3959664 Anticorrosive circuit for a buried structure |
| 05/11/1976 | US3956095 Sacrificial anode |
| 05/04/1976 | US3954591 Ice free self-releasing water tank anode suspension system |
| 05/04/1976 | US3954420 Copper and zinc layers |
| 04/27/1976 | US3953742 Cathodic protection monitoring apparatus for marine propulsion device |
| 04/27/1976 | US3953311 Cathodic protection system |
| 01/20/1976 | US3933616 Coating of protected electrocatalytic material on an electrode |
| 01/06/1976 | US3930977 Protection system for equipment and metallic fittings of non-metallic hulls of power boats |