NL17499C - - Google Patents

Info

Publication number
NL17499C
NL17499C NL30707A NL30707A NL17499C NL 17499 C NL17499 C NL 17499C NL 30707 A NL30707 A NL 30707A NL 30707 A NL30707 A NL 30707A NL 17499 C NL17499 C NL 17499C
Authority
NL
Netherlands
Application number
NL30707A
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
Priority to DE1920346074D priority Critical patent/DE346074C/de
Priority to CH90494D priority patent/CH90494A/de
Priority to GB36045/20A priority patent/GB176915A/en
Priority to FR529703D priority patent/FR529703A/fr
Priority to US451359A priority patent/US1411493A/en
Application filed filed Critical
Priority to NL30707A priority patent/NL17499C/xx
Application granted granted Critical
Publication of NL17499C publication Critical patent/NL17499C/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G9/40—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by indirect contact with preheated fluid other than hot combustion gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catching Or Destruction (AREA)
  • Adornments (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
NL30707A 1920-12-15 1925-07-09 NL17499C (enrdf_load_stackoverflow)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE1920346074D DE346074C (enrdf_load_stackoverflow) 1920-12-15 1920-12-15
CH90494D CH90494A (de) 1920-12-15 1920-12-20 Ellipsenzirkel.
GB36045/20A GB176915A (en) 1920-12-15 1920-12-23 Ellipsograph
FR529703D FR529703A (fr) 1920-12-15 1921-01-07 Compas à ellipse
US451359A US1411493A (en) 1920-12-15 1921-03-10 Ellipsograph
NL30707A NL17499C (enrdf_load_stackoverflow) 1920-12-15 1925-07-09

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE346074T 1920-12-15
CH90494T 1920-12-20
GB36045/20A GB176915A (en) 1920-12-15 1920-12-23 Ellipsograph
FR529703T 1921-01-07
US451359A US1411493A (en) 1920-12-15 1921-03-10 Ellipsograph
NL30707A NL17499C (enrdf_load_stackoverflow) 1920-12-15 1925-07-09

Publications (1)

Publication Number Publication Date
NL17499C true NL17499C (enrdf_load_stackoverflow) 1927-07-15

Family

ID=40394418

Family Applications (1)

Application Number Title Priority Date Filing Date
NL30707A NL17499C (enrdf_load_stackoverflow) 1920-12-15 1925-07-09

Country Status (6)

Country Link
US (1) US1411493A (enrdf_load_stackoverflow)
CH (1) CH90494A (enrdf_load_stackoverflow)
DE (1) DE346074C (enrdf_load_stackoverflow)
FR (1) FR529703A (enrdf_load_stackoverflow)
GB (1) GB176915A (enrdf_load_stackoverflow)
NL (1) NL17499C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB176915A (en) 1922-03-23
CH90494A (de) 1921-09-01
US1411493A (en) 1922-04-04
FR529703A (fr) 1921-12-05
DE346074C (enrdf_load_stackoverflow) 1921-12-23

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