NL88667C - - Google Patents
Info
- Publication number
- NL88667C NL88667C NL88667DA NL88667C NL 88667 C NL88667 C NL 88667C NL 88667D A NL88667D A NL 88667DA NL 88667 C NL88667 C NL 88667C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4626—Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Nozzles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1096114X | 1953-03-21 | ||
| CH312620T | 1953-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL88667C true NL88667C (en) |
Family
ID=25735923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL88667D NL88667C (en) | 1953-03-21 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE527463A (en) |
| CH (2) | CH307957A (en) |
| DE (1) | DE1006833B (en) |
| FR (1) | FR1096114A (en) |
| NL (1) | NL88667C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5051175A (en) * | 1989-12-20 | 1991-09-24 | Roof Accessories, Inc. | Drain guard |
| DE9308085U1 (en) * | 1992-06-30 | 1993-08-05 | Nill, Werner, Winterthur, Ch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US859455A (en) * | 1905-11-02 | 1907-07-09 | Pittsburgh Filter Mfg Company | Strainer. |
| DE565663C (en) * | 1928-12-28 | 1932-12-05 | Alfred Kretzschmar | Filters for liquids |
| DE893039C (en) * | 1949-07-22 | 1953-10-12 | Lilly Haensel | Filter nozzle for backwashable liquid filters |
| BE498884A (en) * | 1949-10-25 |
-
0
- BE BE527463D patent/BE527463A/xx unknown
- NL NL88667D patent/NL88667C/xx active
-
1953
- 1953-03-21 CH CH307957D patent/CH307957A/en unknown
- 1953-03-30 CH CH312620D patent/CH312620A/en unknown
-
1954
- 1954-02-12 DE DEM21910A patent/DE1006833B/en active Pending
- 1954-03-20 FR FR1096114D patent/FR1096114A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH307957A (en) | 1955-06-30 |
| DE1006833B (en) | 1957-04-25 |
| CH312620A (en) | 1956-01-31 |
| BE527463A (en) | |
| FR1096114A (en) | 1955-06-09 |