NL12247C - - Google Patents
Info
- Publication number
- NL12247C NL12247C NL21279A NL21279A NL12247C NL 12247 C NL12247 C NL 12247C NL 21279 A NL21279 A NL 21279A NL 21279 A NL21279 A NL 21279A NL 12247 C NL12247 C NL 12247C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Non-Insulated Conductors (AREA)
- Synchronous Machinery (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DESCH60592D DE421618C (en) | 1921-01-30 | 1921-01-30 | Process to prevent scale build-up in steam boilers, evaporators, preheaters, etc. like |
| DESCH63242D DE436435C (en) | 1921-01-30 | 1921-10-28 | Process for preventing scale build-up in steam boilers, evaporators, preheaters, etc. like |
| US534184A US1436686A (en) | 1921-01-30 | 1922-02-04 | Method of preventing the formation of scale in steam boilers, evaporators, economizers, and the like |
| GB32231/22A GB211588A (en) | 1921-01-30 | 1922-11-24 | An improved method of preventing the formation of scale in steam boilers, evaporators, economisers and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL12247C true NL12247C (en) | 1924-12-15 |
Family
ID=40481709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21279A NL12247C (en) | 1921-01-30 | 1922-01-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1436686A (en) |
| DE (2) | DE421618C (en) |
| FR (1) | FR546241A (en) |
| GB (2) | GB174905A (en) |
| NL (1) | NL12247C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2435973A (en) * | 1941-08-19 | 1948-02-17 | Rusta Restor Corp | Method of and means for providing cathodic protection of metallic structures |
-
1921
- 1921-01-30 DE DESCH60592D patent/DE421618C/en not_active Expired
- 1921-10-28 DE DESCH63242D patent/DE436435C/en not_active Expired
- 1921-12-15 GB GB1181021A patent/GB174905A/en not_active Expired
-
1922
- 1922-01-23 FR FR546241D patent/FR546241A/en not_active Expired
- 1922-01-26 NL NL21279A patent/NL12247C/xx active
- 1922-02-04 US US534184A patent/US1436686A/en not_active Expired - Lifetime
- 1922-11-24 GB GB32231/22A patent/GB211588A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB174905A (en) | 1922-10-26 |
| DE421618C (en) | 1925-11-14 |
| GB211588A (en) | 1924-02-25 |
| FR546241A (en) | 1922-11-03 |
| DE436435C (en) | 1926-11-01 |
| US1436686A (en) | 1922-11-28 |