Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & First filing: None & Number of text pages: 2

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Year filed:
(There are no values for this filter)
Year granted:
None (1) · 1920 (3) · 1921 (3) · 1922 (1) · 1923 (2) · 1924 (2) · 1925 (1)
Office:
DE (5) · FR (3) · GB (4) · US (1)
Inventors:
None (5) · Alfredo Guillermo Leigh‎ (1) · Anton Heinen (1) · Ernst Heinkel (4) · François-Victor Denhaut (1) · Karl Schmittner (1) · Robert-Jules-Marie-Antoine Desmons (1)
Inventor country:
CL (1) · DE (11) · FR (1)
Inventor location:
None (13)
Applicant person:
None (4) · Alfredo Guillermo Leigh‎ (1) · Anton Heinen (1) · Ernst Heinkel (4) · François-Victor Denhaut (1) · Hans Baumeister (1) · Karl Schmittner (1) · Robert-Jules-Marie-Antoine Desmons (1)
Applicant firm:
None (6) · Ago Flugzeugwerke G. m. b. H. (1) · Ballonhüllen Gesellschaft m.b.H. (1) · Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung (2) · Gothaer Waggonfabrik A. G.‎ (1) · Zeppelin-Werke G.m.b.H. (1) · Zeppelin-Werke Staaken G.m.b.H. (1)
Applicant type:
COMPANY (4) · COMPANY + INDIV (1) · COMPANY+INDIV (2) · INDIV (6)
Applicant is inventor:
None (4) · Yes (9)
Tech fields:
None (13)
Filing date:
March 1920 (2) · June 1920 (1) · July 1920 (4) · January 1921 (1) · March 1921 (1) · June 1922 (2) · July 1922 (1) · September 1922 (1)
Full specification filed date:
None (13)
Application number:
None (13)
Grant date:
None (1) · 1920 (2) · 1921 (4) · 1922 (1) · 1923 (2) · 1924 (2) · 1925 (1)
Granted:
No (1) · Yes (12)
Publication date:
None (3) · 1920 (1) · 1921 (4) · 1923 (2) · 1924 (2) · 1925 (1)
Supplementary to patent:
None (2) · 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-1916-349065 (1) · Patent DE-1917-306449 (1) · Patent DE-1918-03-10 Karl Schmittner or Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1918-10-24 Anton Heinen or Ballonhüllen Gesellschaft m.b.H. (1) · Patent DE-1919-364419 (1) · Patent DE-1921-384750 (2) · Patent DE-1922-392861 (1) · Patent FR-1920-509911 (1)
Related to aircraft:
1 (9) · Yes (4)
Patent agent:
None (8) · F. Harlé et G. Bruneton (1) · Herbert Haddan & Co. (2) · Paul Blum (1) · W. P. Thompson & Co. (1)
Assigned to:
None (12) · Zeppelin-Werke Staaken G.m.b.H. (1)
National tech categories:
None (6) · DE 62b.15 (1) · DE 77h.5 (5) · FR 5.8 (1) · FR 6.4 (1)
IPCs:
None (1) · IPC B64C1/26 (2) · IPC B64C1/30 (1) · IPC B64C13/00 (1) · IPC B64C3/00 (2) · IPC B64C3/56 (1) · IPC B64C9/02 (1) · IPC B64D17/36 (1) · IPC B64D17/80 (2) · IPC B64D7/02 (1) · IPC B64F1/22 (1) · IPC F03D3/06 (1)
CPCs:
CPC B64C1/26 (1) · CPC B64C1/30 (1) · CPC B64C13/00 (1) · CPC B64C3/00 (2) · CPC B64C3/56 (1) · CPC B64C9/02 (1) · CPC B64D17/36 (1) · CPC B64D17/80 (2) · CPC B64D27/04 (1) · CPC B64D7/02 (1) · CPC B64F1/221 (1) · CPC F03D3/067 (1) · CPC F05B2260/72 (1) · CPC Y02E10/74 (1) · IPC B64C1/26 (1)
Family year:
None (3) · 1916 (2) · 1918 (2) · 1920 (1) · 1921 (2) · 1922 (3)
First filing: (Click arrow to add another value)
Cites these patents:
None (13)
Citations from after 1930:
None (13)
Number of text pages:
2 (13)
Number of claims:
None (1) · 1 (5) · 2 (1) · 3 (2) · 4 (4)
Number of diagram pages:
None (1) · 1 (10) · 2 (2)
Number of figures:
None (1) · 1 (2) · 2 (3) · 3 (3) · 4 (1) · 5 (3)

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