FR19411E - Improvements in the manufacture of tungsten filament incandescent lamps - Google Patents

Improvements in the manufacture of tungsten filament incandescent lamps

Info

Publication number
FR19411E
FR19411E FR19411A FR19411DA FR19411E FR 19411 E FR19411 E FR 19411E FR 19411 A FR19411 A FR 19411A FR 19411D A FR19411D A FR 19411DA FR 19411 E FR19411 E FR 19411E
Authority
FR
France
Prior art keywords
manufacture
incandescent lamps
tungsten filament
filament incandescent
tungsten
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR19411A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32826449&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR19411(E) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR19411E publication Critical patent/FR19411E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Resistance Heating (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
FR19411A 1913-08-01 1914-05-30 Improvements in the manufacture of tungsten filament incandescent lamps Expired FR19411E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE191418369X 1913-08-01
US191417326XA 1913-09-04 1913-09-04

Publications (1)

Publication Number Publication Date
FR19411E true FR19411E (en) 1915-01-29

Family

ID=32826449

Family Applications (6)

Application Number Title Priority Date Filing Date
FR466580A Expired FR466580A (en) 1913-08-01 1913-12-20 New metal filament incandescent lamp
FR466581A Expired FR466581A (en) 1913-08-01 1913-12-20 Improvements in the manufacture of tungsten filament incandescent lamps
FR18963A Expired FR18963E (en) 1913-08-01 1914-03-07 Improvements in the manufacture of tungsten filament incandescent lamps
FR19211A Expired FR19211E (en) 1913-08-01 1914-04-23 Improvements in the manufacture of tungsten filament incandescent lamps
FR19411A Expired FR19411E (en) 1913-08-01 1914-05-30 Improvements in the manufacture of tungsten filament incandescent lamps
FR19812A Expired FR19812E (en) 1913-08-01 1914-07-24 Improvements in the manufacture of tungsten filament incandescent lamps

Family Applications Before (4)

Application Number Title Priority Date Filing Date
FR466580A Expired FR466580A (en) 1913-08-01 1913-12-20 New metal filament incandescent lamp
FR466581A Expired FR466581A (en) 1913-08-01 1913-12-20 Improvements in the manufacture of tungsten filament incandescent lamps
FR18963A Expired FR18963E (en) 1913-08-01 1914-03-07 Improvements in the manufacture of tungsten filament incandescent lamps
FR19211A Expired FR19211E (en) 1913-08-01 1914-04-23 Improvements in the manufacture of tungsten filament incandescent lamps

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR19812A Expired FR19812E (en) 1913-08-01 1914-07-24 Improvements in the manufacture of tungsten filament incandescent lamps

Country Status (5)

Country Link
US (1) US1246118A (en)
DE (2) DE290932C (en)
FR (6) FR466580A (en)
GB (3) GB191310918A (en)
NL (3) NL3019C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712701A (en) * 1971-08-27 1973-01-23 British Lighting Ind Ltd Electric incandescent lamps
US11158768B2 (en) 2004-05-07 2021-10-26 Bruce H. Baretz Vacuum light emitting diode

Also Published As

Publication number Publication date
FR19211E (en) 1914-12-01
FR19812E (en) 1915-10-01
FR18963E (en) 1914-08-19
DE290932C (en)
GB191418369A (en)
GB191417326A (en) 1915-04-01
NL7680C (en)
NL3019C (en)
US1246118A (en) 1917-11-13
FR466581A (en) 1914-05-16
NL1940C (en)
FR466580A (en) 1914-05-16
GB191310918A (en) 1914-05-07
DE293586C (en)

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