Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Inventor country : AU or NL

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Year filed:
1917 (1) · 1918 (4) · 1919 (2) · 1920 (4) · 1923 (1) · 1927 (1) · 1928 (1)
Year granted:
1920 (3) · 1921 (4) · 1922 (1) · 1923 (1) · 1925 (2) · 1926 (1) · 1928 (2)
Office:
AU (2) · CA (2) · DE (1) · FR (2) · GB (3) · NL (2) · US (2)
Inventors:
Albert John Fortescue (2) · Anthony Herman Gerard Fokker‎‎ (1) · Bert Hinkler (2) · Charles Arthur Wragg (4) · Dr. Cornelis Schmoute (1) · Emanuel Spreekmeester (1) · Eugene Ludwig Greenewald (1) · Floris Albert van Heyst (1) · James Ferrier (1) · Nicolaas Everhard Groeneveld Meyer (1) · Pieter Barteld Van Leggelo (2)
Inventor country: (Click arrow to add another value)
Inventor location:
None (14)
Applicant person:
Albert John Fortescue (2) · Anthony Herman Gerard Fokker‎‎ (1) · Bert Hinkler (2) · Charles Arthur Wragg (3) · Charles-Arthur Wragg (1) · Dr. Cornelis Schoute (1) · Emanuel Spreekmeester (1) · Eugene Ludwig Greenewald (1) · Floris Albert van Heyst (1) · James Ferrier (1) · Nicolaas Everhard Groeneveld Meyer (1) · Pieter Barteld Van Leggelo (2)
Applicant firm:
None (14)
Applicant type:
INDIV (14)
Applicant is inventor:
None (1) · Yes (13)
Tech fields:
None (2) · aerial propellers (1) · aerodynamics (1) · airfoil (4) · airplane (5) · camber (2) · chassis (2) · control (1) · flying machine (1) · flying machines (2) · frame (2) · helicopter (2) · HTA (1) · instrument (1) · lift (3) · LTA (1) · marine (1) · military (2) · projectile (2) · propeller (1) · propellers (1) · speed (1) · stability (1) · subsystem (1) · Tragfläche (1) · undercarriage (2) · wing (3)
Filing date:
None (1) · 1917 (1) · 1918 (4) · 1919 (1) · 1920 (4) · 1923 (1) · 1927 (1) · 1928 (1)
Full specification filed date:
February 17, 1928 (1)
Application number:
None (9) · 21079218 (1) · 25560 (1) · 26436518 (1) · 5664/18 (1) · 9062 (1)
Grant date:
None (2) · 1920 (3) · 1921 (4) · 1922 (1) · 1925 (1) · 1926 (1) · 1928 (2)
Granted:
Yes (14)
Publication date:
None (7) · 1918 (1) · 1921 (3) · 1925 (2) · 1929 (1)
Supplementary to patent:
None (7) · Patent AU-1914-14892 (1) · Patent AU-1917-469317 (1) · Patent GB-1927-653688 (1) · Patent NL-1918-08-05 Spreekmeester (1) · Patent US-1918-1435190 (1) · Patent US-1918-1589780 (3)
Related to aircraft:
1 (13) · Yes (1)
Patent agent:
None (6) · Barlow et Gentizon (1) · Davis & Davis (2) · James R. Townsend (1) · John E. Raworth & Moss (1) · Lavoix, Mosès et Genet (1) · Rayner & Co. (1) · W. P. Thompson & Co. (1)
Assigned to:
None (14)
National tech categories:
None (6) · CA 244/120 (1) · DE 77h.5 (1) · FR 6.4 (3) · NL 62 (1) · NL 62.15 (1) · NL 62.15c (1) · USPC 244/17.15 (1)
IPCs:
None (3) · IPC B63H1/12 (1) · IPC B64C11/00 (1) · IPC B64C21/08 (2) · IPC B64C25/00 (2) · IPC B64C27/28 (2) · IPC B64C27/32 (1) · IPC B64C3/56 (1) · IPC B64C9/16 (1) · IPC B64D45/00 (1) · IPC F41A19/05 (1) · PC B64C27/00 (1)
CPCs:
None (4) · CPC B64C25/60 (1) · CPC B63H1/26 (1) · CPC B64C11/18 (1) · CPC B64C11/22 (1) · CPC B64C13/30 (1) · CPC B64C21/08 (1) · CPC B64C25/00 (1) · CPC B64C25/06 (1) · CPC B64C27/28 (2) · CPC B64C2700/629 (2) · CPC B64C3/56 (1) · CPC B64C9/16 (1) · CPC B64C9/18 (1) · CPC B64D45/00 (1) · CPC F41A19/05 (1) · CPC Y02T50/10 (1) · CPC Y02T50/166 (1)
Family year:
None (1) · 1914 (1) · 1917 (2) · 1918 (5) · 1920 (2) · 1923 (1) · 1927 (2)
First filing:
No (9) · Yes (5)
Cites these patents:
None (13) · Patent GB-1891-9930 (1) · Patent GB-1910-2124 (1)
Citations from after 1930:
None (13) · 5 (1)
Number of text pages:
None (2) · 2 - 3 (3) · 3 - 4 (1) · 4 - 20 (8)
Number of claims:
None (3) · 1 - 4 (4) · 4 - 10 (7)
Number of diagram pages:
None (2) · 1 (5) · 2 (4) · 3 (2) · 5 (1)
Number of figures:
None (2) · 2 - 4 (2) · 4 - 8 (3) · 8 - 30 (7)

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