Drilldown: Patents

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Patents > Office: DE & Grant date: 1920 - 1929 & National tech categories : USPC 244/30 or None

Use the filters below to narrow your results.

Year filed:
None (95) · 1914 (1) · 1916 (1) · 1917 (1) · 1918 (2)
Year granted:
1912 (4) · 1913 (6) · 1914 (5) · 1915 (3) · 1916 (8) · 1917 (23) · 1918 (46) · 1920 (2) · 1921 (3)
Office: (Click arrow to add another value)
Inventors:
None (94) · Gaston Madeira (1) · James Vernon Martin (1) · Nicolae Iliescu-Branceni (1) · Noel Pemberton-Billing (1) · Paul Koeppen (1) · Rumpler-Werke A.-G. in Berlin-Johannisthal (1)
Inventor country:
None (64) · AT (2) · DE (23) · FR (2) · GB (6) · IT (1) · RO (1) · US (1)
Applicant person:
None (12) · HELIX PROPELLER GES M (7) · MERCUR FLUGZEUGBAU (5) · Siemens-Schuckert-Werke G.m.b.H. (3) · EISENFUEHR (3) · Rudolf Wagner (3) · Luft Fahrzeug G.m.b.H. (2) · BURNEY Charles DENNISTON (2) · Hans Reissner (2) · HENSCHEL FLUGZEUG WERKE (2) · ZEPPELIN LUFTSCHIFFBAU (2) · ZEPPELIN WERK LINDAU (2) · OTWI WERKE M B H (2)
Applicant firm:
None (87) · Ballonfabrik Augsburg A.G. (1) · Dornier Metallbauten (9) · Luft-Verkehrs-Gesellschaft m.b.H. (1) · Luftschiffbau Zeppelin G. m. b. H. (1) · Rumpler-Werke A.-G. in Berlin-Johannisthal (1)
Applicant type:
None (30) · COMPANY (30) · COMPANY+INDIV (1) · INDIV (22) · UNIV-PRO-GOV (17)
Applicant is inventor:
No (93) · Yes (7)
Tech fields:
None (95) · aeroplane stability (1) · airplane (3) · automatic stability (1) · construction (1) · frame (1) · gas (1) · lift (1) · LTA (1) · monoplane (1) · stability (1) · valve (1) · wings (1)
Filing date:
1912 (4) · 1913 (6) · 1914 (6) · 1915 (3) · 1916 (9) · 1917 (24) · 1918 (48)
Full specification filed date:
None (100)
Application number:
Grant date:
1920 (45) · 1921 (21) · 1922 (11) · 1923 (7) · 1924 (11) · 1925 (1) · 1927 (3) · 1929 (1)
Granted:
Yes (100)
Publication date:
August 26, 1920 (1)
Supplementary to patent:
None (99) · Patent FR-1914-475066 (1)
Related to aircraft:
1 (95) · Yes (5)
Patent agent:
None (100)
Assigned to:
None (99) · Ballonfabrik Augsburg A.G. (1)
National tech categories: (Click arrow to add another value)
IPCs:
None (95) · IPC B64B1/64 (2) · IPC B64C1/00 (1) · IPC B64C17/00 (1) · IPC B64C3/00 (1) · IPC B64C3/42 (1)
CPCs:
CPC B64C3/00 (9) · CPC B64C35/00 (8) · CPC B64C25/62 (6) · CPC B64B1/58 (5) · CPC B64C2700/6233 (5) · CPC B64C17/00 (5) · CPC B64C2700/6235 (4) · CPC B64C11/36 (4) · CPC B64C1/12 (4) · CPC B64F2700/6261 (4) · CPC B64C11/00 (4) · CPC B64C11/04 (4) · CPC B64C2700/6212 (3) · CPC B64B1/00 (3) · CPC B64C2700/6295 (3) · CPC B64C9/00 (3) · CPC B64C3/56 (3) · CPC B64B1/64 (3)
Family year:
1912 (4) · 1913 (7) · 1914 (5) · 1915 (3) · 1916 (10) · 1917 (24) · 1918 (47)
First filing:
None (2) · No (93) · Yes (5)
Cites these patents:
None (100)
Citations from after 1930:
None (100)
Number of text pages:
None (96) · 2 (3) · 3 (1)
Number of claims:
None (96) · 1 (3) · 4 (1)
Number of diagram pages:
None (96) · 1 (4)
Number of figures:
None (96) · 2 (1) · 3 (1) · 5 (1) · 8 (1)

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