Drilldown: Patents

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Patents > Year granted: 1920 & Applicant is inventor: None & Filing date: 1917

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
AT (2) · DE (2) · FR (1) · HU (6)
Inventors:
None (11)
Inventor country:
AT (1) · DE (10) · GB (1)
Applicant person:
None (11)
Applicant firm:
Flugmaschine Rex G.m.b.H. (1) · Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (2) · Gothaer Waggonfabrik A. G. (1) · Luft-Verkehrs-Gesellschaft m.b.H. (1) · Luftfahrzeugbau Schütte-Lanz (1) · Luftschiffbau Schütte-Lanz (2) · Siemens & Halske Aktiengesellshaft (2) · Vickers Limited (1)
Applicant type:
COMPANY (11)
Applicant is inventor: (Click arrow to add another value)
Tech fields:
None (1) · Aerodynamics (1) · Airplane (3) · airship (3) · balloon (1) · Biplane (1) · Bombing (2) · construction (1) · frame (1) · Fueling (1) · HTA (1) · Ignition (1) · Industry (2) · Infrastructure (1) · LTA (1) · material (1) · Military (2) · Motors (1) · navigation (1) · Petroleum (1) · propellers (1) · rigid (1) · steering (1) · Subsystem (1) · wood (1)
Filing date:
April 1917 (2) · May 1917 (2) · August 1917 (2) · September 1917 (1) · October 1917 (2) · December 1917 (2)
Full specification filed date:
None (11)
Application number:
None (5) · 498970D (1) · 76078 (1) · 76358 (1) · 76960 (1) · 77439 (1) · 77891 (1)
Grant date:
November 1919 (1) · February 1920 (1) · April 1920 (1) · June 1920 (1) · July 1920 (1) · September 1920 (1) · October 1920 (2) · December 1920 (1)
Granted:
Yes (11)
Publication date:
January 1920 (2) · March 1920 (1) · April 1920 (1) · August 1920 (1) · January 1921 (1) · April 1921 (2) · June 1921 (1) · August 1921 (1)
Supplementary to patent:
None (5) · Patent 1917-01-19 Siemens & Halske A.-G. (1) · Patent AT-1917-84294 (1) · Patent DE 1916-10-24 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent DE 1916-12-07 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent DE-1916-03-30 Luftfahrzeugbau Schütte-Lanz (1) · Patent DE-1916-05-12 Gothaer Waggonfabrik A. G. (1) · Patent DE-1917-03-15 (1)
Related to aircraft:
1 (3) · Yes (8)
Patent agent:
None (10) · Y. Talvard (1)
Assigned to:
None (11)
National tech categories:
AT 78b (2) · DE 77h.5 (2) · FR 6.4 (1) · HU V/h (6)
IPCs:
None (9) · IPC B64C13/30 (1) · IPC B64C3/26 (1)
CPCs:
None (9) · CPC B64C13/00 (1) · CPC B64C3/26 (1)
Family year:
(There are no values for this filter)
First filing:
None (6) · No (4) · Yes (1)
Cites these patents:
None (11)
Citations from after 1930:
None (11)
Number of text pages:
None (2) · 1 (2) · 2 (6) · 3 (1)
Number of claims:
None (3) · 1 (3) · 2 (3) · 3 (2)
Number of diagram pages:
None (4) · 1 (7)
Number of figures:
None (4) · 2 (3) · 3 (1) · 4 (1) · 5 (2)

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