NL134307C - - Google Patents
Info
- Publication number
- NL134307C NL134307C NL134307DA NL134307C NL 134307 C NL134307 C NL 134307C NL 134307D A NL134307D A NL 134307DA NL 134307 C NL134307 C NL 134307C
- Authority
- NL
- Netherlands
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/20—Means for cleaning filters
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2616—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing lithium
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2691—Other ferrites containing alkaline metals
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US691982A US2555231A (en) | 1946-08-21 | 1946-08-21 | Suction cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL134307C true NL134307C (US06811534-20041102-M00003.png) |
Family
ID=24778790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL134307D NL134307C (US06811534-20041102-M00003.png) | 1946-08-21 |
Country Status (7)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2722996A (en) * | 1953-06-05 | 1955-11-08 | Hoover Co | Suction cleaner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB410524A (en) * | 1932-11-24 | 1934-05-24 | Lionel Frank Mccardle | Improvements in vacuum cleaning apparatus |
| US2192357A (en) * | 1938-08-05 | 1940-03-05 | Quadrex Corp | Vacuum cleaner |
| DE700388C (de) * | 1938-11-18 | 1941-03-06 | Siemens Schuckertwerke Akt Ges | Filterreinigungsvorrichtung fuer Staubsauger |
| US2211934A (en) * | 1939-01-03 | 1940-08-20 | Harley J Mcallister | Vacuum cleaner |
| US2414564A (en) * | 1945-04-17 | 1947-01-21 | Silverman Leslie | Portable welding fume exhauster |
| NL70126C (US06811534-20041102-M00003.png) * | 1945-06-23 |
-
0
- NL NL134307D patent/NL134307C/xx active
- BE BE475574D patent/BE475574A/xx unknown
-
1946
- 1946-08-21 US US691982A patent/US2555231A/en not_active Expired - Lifetime
-
1947
- 1947-08-08 GB GB22098/47A patent/GB643083A/en not_active Expired
- 1947-08-20 FR FR952205D patent/FR952205A/fr not_active Expired
- 1947-08-21 CH CH266618D patent/CH266618A/fr unknown
-
1950
- 1950-09-26 DE DEH5573A patent/DE848553C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE475574A (US06811534-20041102-M00003.png) | |
| GB643083A (en) | 1950-09-15 |
| US2555231A (en) | 1951-05-29 |
| CH266618A (fr) | 1950-02-15 |
| FR952205A (fr) | 1949-11-14 |
| DE848553C (de) | 1952-09-04 |
