Drilldown: Patents

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Patents > CPCs: CPC B64C33/00 & First filing: No

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Year filed:
None (2) · 1870 - 1879 (2) · 1880 - 1889 (2) · 1890 - 1899 (2) · 1900 - 1909 (16) · 1910 - 1919 (27)
Year granted:
None (4) · 1870 - 1879 (1) · 1880 - 1889 (3) · 1890 - 1899 (1) · 1900 - 1909 (13) · 1910 - 1919 (29)
Office:
DE (5) · FR (35) · GB (9) · US (2)
Inventors:
Franz Xaver Wels (3)
Inventor country:
None (3) · AT (5) · CA (1) · CH (1) · DE (8) · FR (21) · GB (1) · HU (1) · IT (2) · RO (1) · US (7)
Applicant person:
None (6) · Franz Xaver Wels (3)
Applicant firm:
None (51)
Applicant type:
None (10) · INDIV (41)
Applicant is inventor:
No (8) · Yes (43)
Tech fields:
None (20) · flapping (15) · propulsion (10) · wings (8) · Lift (6) · frame (6) · ornithopter (6) · stability (5) · airplane (4) · hybrid (4) · design (4) · glider (4) · navigation (3) · human-powered (3) · LTA (3) · HTA (2) · aerodynamics (2) · Heavier-than-air (2)
Filing date:
None (1) · 1870 - 1879 (1) · 1880 - 1889 (2) · 1890 - 1899 (2) · 1900 - 1909 (17) · 1910 - 1919 (28)
Full specification filed date:
None (48) · 1910 (1) · 1913 (2)
Application number:
None (6)
Grant date:
None (4) · 1870 - 1879 (1) · 1880 - 1889 (3) · 1890 - 1899 (1) · 1900 - 1909 (14) · 1910 - 1919 (27) · 1920 - 1929 (1)
Granted:
No (4) · Yes (47)
Publication date:
None (36) · 1898 (1) · 1904 (2) · 1905 (1) · 1908 (2) · 1909 (1) · 1910 (3) · 1911 (1) · 1912 (1) · 1913 (3)
Supplementary to patent:
None (35) · Patent AT-1912-75092 (3) · Patent CA-1911-130403 (1) · Patent DE-1880-7352 (1) · Patent DE-1910-05-25 Richard Blum (1) · Patent DE-1912-7-15 (1) · Patent FR-1908-394618 (1) · Patent FR-1908-395696 (1) · Patent FR-1909-402329 (1) · Patent FR-1910-419140 (1) · Patent FR-1911-429078 (1) · Patent FR-1912-446040 (1) · Patent GB-1909-9303 (1) · Patent GB-1913-4191 (2) · Patent US-1909-940701 (1) · Patent US-1912-1031461 (1)
Related to aircraft:
None (2) · 1 (23) · Yes (26)
Patent agent:
None (29) · 0 (1) · Allison Bros. (1) · Armengaud jeune (2) · B. E. Dunbar Kilburn (1) · Boramé et Julien (1) · Brandon frères (1) · Cruikshank & Fairweather, Limited (1) · Cruikshank & Fairweather, Ltd. (1) · E. Blétry (2) · E. W. Pitman (1) · F. M. Mellor (1) · Hippolyte Josse (1) · J. Bonnet-Thirion (1) · Lavoix et Mosès (2) · Munn & Co. (1) · Noël et Pellegrini‎ (1) · W. P. Thompson & Co. (2) · Weismann et Marx (1)
Assigned to:
None (50) · 1 (1)
National tech categories:
None (28) · DE 77 (4) · FR 6.4 (17) · USPC 185/9 (1) · USPC 244/22 (1) · USPC 244/64 (1)
IPCs:
None (25) · IPC B64C33/00 (24) · IPC B64C33/02 (1) · IPC: B64C33/00 (1)
CPCs: (Click arrow to add another value)
Family year:
None (2) · 1870 - 1879 (1) · 1880 - 1889 (2) · 1890 - 1899 (1) · 1900 - 1909 (16) · 1910 - 1919 (28) · 2020 - 2029 (1)
First filing: (Click arrow to add another value)
Cites these patents:
None (51)
Citations from after 1930:
None (50) · 1 (1)
Number of text pages:
None (21) · 1 (1) · 2 (12) · 3 (11) · 5 (5) · 6 (1)
Number of claims:
None (27) · 1 - 2 (6) · 2 - 4 (6) · 4 - 7 (6) · 7 - 14 (6)
Number of diagram pages:
None (20) · 1 (18) · 2 (5) · 3 (5) · 4 (2) · 19,162,511 (1)
Number of figures:
None (26) · 1 - 3 (3) · 3 - 6 (6) · 6 - 7 (2) · 7 - 10 (8) · 10 - 6,000,000 (6)

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