GB191310918A - Improvements in Incandescent Electric Lamps. - Google Patents

Improvements in Incandescent Electric Lamps.

Info

Publication number
GB191310918A
GB191310918A GB191310918DA GB191310918A GB 191310918 A GB191310918 A GB 191310918A GB 191310918D A GB191310918D A GB 191310918DA GB 191310918 A GB191310918 A GB 191310918A
Authority
GB
United Kingdom
Prior art keywords
filament
bulb
filaments
tungsten
wires
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
Other languages
English (en)
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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=GB191310918(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Application granted granted Critical
Publication of GB191310918A publication Critical patent/GB191310918A/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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Heating (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
GB191310918D 1913-08-01 1913-05-08 Improvements in Incandescent Electric Lamps. Expired GB191310918A (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
GB191310918A true GB191310918A (en) 1914-05-07

Family

ID=32826449

Family Applications (3)

Application Number Title Priority Date Filing Date
GB191310918D Expired GB191310918A (en) 1913-08-01 1913-05-08 Improvements in Incandescent Electric Lamps.
GB191417326D Expired GB191417326A (en) 1913-08-01 1914-07-21 Improvements in Electric Incandescent Lamps.
GB191418369D Expired - Lifetime GB191418369A (en) 1913-08-01 1914-08-07 Improvements in and relating to Incandescent Electric Lamps.

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB191417326D Expired GB191417326A (en) 1913-08-01 1914-07-21 Improvements in Electric Incandescent Lamps.
GB191418369D Expired - Lifetime GB191418369A (en) 1913-08-01 1914-08-07 Improvements in and relating to Incandescent Electric Lamps.

Country Status (5)

Country Link
US (1) US1246118A (enrdf_load_stackoverflow)
DE (2) DE290932C (enrdf_load_stackoverflow)
FR (6) FR466580A (enrdf_load_stackoverflow)
GB (3) GB191310918A (enrdf_load_stackoverflow)
NL (3) NL7680C (enrdf_load_stackoverflow)

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
FR466581A (fr) 1914-05-16
GB191417326A (en) 1915-04-01
FR19812E (fr) 1915-10-01
DE293586C (enrdf_load_stackoverflow)
FR466580A (fr) 1914-05-16
FR19211E (fr) 1914-12-01
DE290932C (enrdf_load_stackoverflow)
FR18963E (fr) 1914-08-19
US1246118A (en) 1917-11-13
NL3019C (enrdf_load_stackoverflow)
GB191418369A (en)
NL1940C (enrdf_load_stackoverflow)
NL7680C (enrdf_load_stackoverflow)
FR19411E (fr) 1915-01-29

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