NL74280C - - Google Patents
Info
- Publication number
- NL74280C NL74280C NL74280DA NL74280C NL 74280 C NL74280 C NL 74280C NL 74280D A NL74280D A NL 74280DA NL 74280 C NL74280 C NL 74280C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/04—Controlling or regulating desired parameters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2818249A GB669675A (en) | 1949-11-03 | 1949-11-03 | Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74280C true NL74280C (de) |
Family
ID=10271574
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6811205.A NL156560B (nl) | 1949-11-03 | Quaternair communicatiestelsel met differentiele fasemodulatie. | |
| NL74280D NL74280C (de) | 1949-11-03 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6811205.A NL156560B (nl) | 1949-11-03 | Quaternair communicatiestelsel met differentiele fasemodulatie. |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE843638C (de) |
| FR (1) | FR1026243A (de) |
| GB (1) | GB669675A (de) |
| NL (2) | NL74280C (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1132407B (de) * | 1955-09-19 | 1962-06-28 | Quante Wilhelm | Schaltungsanordnung zum kathodischen Schutz metallischer Bauteile in der Erde oder im Wasser |
| NL239003A (de) * | 1958-05-09 | |||
| US3055813A (en) * | 1958-11-17 | 1962-09-25 | Pure Oil Co | Current controller for use in cathodic protection of steel structures |
| DE1161738B (de) * | 1958-12-19 | 1964-01-23 | Rolland Clifford Sabins | Anordnung zur automatischen Regelung des Fremdstromes in Anlagen zum kathodischen Korrosionsschutz |
| US2963413A (en) * | 1959-01-12 | 1960-12-06 | Rolland C Sabins | Electrolytic system |
| US3113093A (en) * | 1959-02-03 | 1963-12-03 | Engelhard Ind Inc | Cathodic protection system |
| US3004905A (en) * | 1959-02-09 | 1961-10-17 | Rolland C Sabins | Cathodic protection system |
-
0
- NL NL6811205.A patent/NL156560B/xx unknown
- NL NL74280D patent/NL74280C/xx active
-
1949
- 1949-11-03 GB GB2818249A patent/GB669675A/en not_active Expired
-
1950
- 1950-10-06 DE DEW4252A patent/DE843638C/de not_active Expired
- 1950-10-17 FR FR1026243D patent/FR1026243A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB669675A (en) | 1952-04-09 |
| DE843638C (de) | 1952-07-10 |
| FR1026243A (fr) | 1953-04-24 |
| NL156560B (nl) |