Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & Inventor country: DE & First filing: None

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Year filed:
(There are no values for this filter)
Year granted:
None (1) · 1920 (6) · 1921 (3) · 1922 (2) · 1923 (2) · 1924 (2)
Office:
DE (4) · ES (1) · FR (4) · GB (6) · US (1)
Inventors:
None (8) · Anton Flettner (1) · Anton Heinen (1) · Deutsche Flugzeug Werke (1) · Ernst Heinkel (4) · Karl Schmittner (1)
Inventor country: (Click arrow to add another value)
Inventor location:
None (16)
Applicant person:
None (8) · Anton Flettner (1) · Anton Heinen (1) · Ernst Heinkel (4) · Hans Baumeister (1) · Karl Schmittner (1)
Applicant firm:
None (5) · Ago Flugzeugwerke G. m. b. H. (1) · Ballonhüllen Gesellschaft m.b.H. (2) · Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (3) · Deutsche Flugzeug-Werke G. m. b. H. (1) · Gothaer Waggonfabrik A. G.‎ (1) · Zeppelin-Werke G.m.b.H. (2) · Zeppelin-Werke Staaken G.m.b.H. (1)
Applicant type:
None (1) · COMPANY (7) · COMPANY + INDIV (1) · COMPANY+INDIV (2) · INDIV (5)
Applicant is inventor:
None (7) · Yes (9)
Tech fields:
None (16)
Filing date:
February 1920 (1) · March 1920 (2) · April 1920 (1) · June 1920 (2) · July 1920 (4) · March 1921 (1) · March 1922 (1) · June 1922 (2) · July 1922 (1) · September 1922 (1)
Full specification filed date:
None (16)
Application number:
None (16)
Grant date:
None (1) · 1920 (4) · 1921 (5) · 1922 (2) · 1923 (2) · 1924 (2)
Granted:
No (1) · Yes (15)
Publication date:
None (6) · 1920 (2) · 1921 (4) · 1923 (2) · 1924 (2)
Supplementary to patent:
None (3) · Patent DE-1915-10-06 AGO Flugzeugwerke G. m. b. H. (1) · Patent DE-1916-03-03 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1916-03-04 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1916-349065 (1) · Patent DE-1917-09-23 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1917-306449 (1) · Patent DE-1918-02-20 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-03-10 Karl Schmittner or Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-10-10 Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-10-24 Anton Heinen or Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1919-319462 (1) · Patent DE-1919-364419 (1) · Patent DE-1921-384750 (2) · Patent DE-1922-392861 (1)
Related to aircraft:
1 (10) · Yes (6)
Patent agent:
None (7) · F. Harlé et G. Bruneton (2) · Herbert Haddan & Co. (2) · Paul Blum (1) · S. Sokal (1) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (1) · W. P. Thompson & Co. (2)
Assigned to:
None (15) · Zeppelin-Werke Staaken G.m.b.H. (1)
National tech categories:
None (9) · DE 77h.5 (4) · FR 6.4 (3)
IPCs:
None (3) · IPC B64B1/58 (1) · IPC B64C1/26 (2) · IPC B64C1/30 (1) · IPC B64C3/00 (2) · IPC B64C3/56 (1) · IPC B64C35/00 (1) · IPC B64C9/02 (1) · IPC B64D17/36 (1) · IPC B64D17/52 (1) · IPC B64D17/80 (2) · IPC B64D7/02 (1) · IPC B64F1/22 (1)
CPCs:
None (2) · CPC B64B1/58 (1) · CPC B64C1/26 (1) · CPC B64C1/30 (1) · CPC B64C3/00 (2) · CPC B64C3/56 (1) · CPC B64C35/00 (1) · CPC B64C9/02 (1) · CPC B64D17/36 (1) · CPC B64D17/52 (1) · CPC B64D17/80 (2) · CPC B64D27/04 (1) · CPC B64D7/02 (1) · CPC B64F1/221 (1) · IPC B64C1/26 (1)
Family year:
None (6) · 1916 (3) · 1918 (3) · 1921 (1) · 1922 (3)
First filing: (Click arrow to add another value)
Cites these patents:
None (16)
Citations from after 1930:
None (16)
Number of text pages:
None (1) · 1 (2) · 2 (11) · 3 (1) · 4 (1)
Number of claims:
None (2) · 1 (4) · 2 (2) · 3 (3) · 4 (4) · 5 (1)
Number of diagram pages:
None (2) · 1 (11) · 2 (2)
Number of figures:
None (2) · 1 - 2 (3) · 2 - 3 (2) · 3 - 7 (8)

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