Invention Grant
- Patent Title: Electric lamp
- Patent Title (中): 电灯
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Application No.: US10516550Application Date: 2003-05-21
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Publication No.: US07378798B2Publication Date: 2008-05-27
- Inventor: Jacobus Johannes Chretien Coumans , Marten Willem Schuiteman , Wilhelmus Jacobus Johannes Welters
- Applicant: Jacobus Johannes Chretien Coumans , Marten Willem Schuiteman , Wilhelmus Jacobus Johannes Welters
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips Electronics, N.V.
- Current Assignee: Koninklijke Philips Electronics, N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP020777226 20020607
- International Application: PCT/IB03/02280 WO 20030521
- International Announcement: WO03/105177 WO 20031218
- Main IPC: H01J17/02
- IPC: H01J17/02 ; H01J5/50
Abstract:
An electric lamp has a lamp vessel accommodating an electric element. The element is connected to current conductors including molybdenum portions which have a coating of material chosen from the group of chromium-manganese, chromium-cobalt, chromium-iron and chromium-boron alloys as a protection against oxidation.
Public/Granted literature
- US20050174058A1 Electric lamp Public/Granted day:2005-08-11
Information query
