BE346958A - - Google Patents
Info
- Publication number
- BE346958A BE346958A BE346958DA BE346958A BE 346958 A BE346958 A BE 346958A BE 346958D A BE346958D A BE 346958DA BE 346958 A BE346958 A BE 346958A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US152699A US1632769A (en) | 1926-12-04 | 1926-12-04 | Filament for incandescent lamps or similar articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE346958A true BE346958A (en:Method) |
Family
ID=22544030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE346958D BE346958A (en:Method) | 1926-12-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1632769A (en:Method) |
| BE (1) | BE346958A (en:Method) |
| DE (1) | DE464733C (en:Method) |
| FR (1) | FR645029A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2633552A (en) * | 1951-06-04 | 1953-03-31 | Westinghouse Electric Corp | Lamp, filament therefor and method |
| US6690103B1 (en) | 1999-07-21 | 2004-02-10 | Alan K. Uke | Incandescent light bulb with variable pitch coiled filament |
| WO2001091161A1 (en) * | 2000-05-23 | 2001-11-29 | Illumination Technology, Inc. | Low voltage incandescent lamp with variable pitch filament |
| US7352846B2 (en) | 2005-10-21 | 2008-04-01 | Rigaku Corporation | Filament for X-ray tube and X-ray tube having the same |
| DE102006020580A1 (de) * | 2006-05-03 | 2007-11-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Halogenglühlampe mit carbidhaltigem Leuchtkörper |
| US8581492B2 (en) * | 2010-10-20 | 2013-11-12 | General Electric Company | Electric incandescent lamp for vehicle headlights with new filament geometry |
-
0
- BE BE346958D patent/BE346958A/xx unknown
-
1926
- 1926-12-04 US US152699A patent/US1632769A/en not_active Expired - Lifetime
-
1927
- 1927-03-27 DE DEP54915D patent/DE464733C/de not_active Expired
- 1927-12-01 FR FR645029D patent/FR645029A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE464733C (de) | 1928-08-25 |
| FR645029A (fr) | 1928-10-18 |
| US1632769A (en) | 1927-06-14 |