Drilldown: Patents

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Patents > National tech categories: None & CPCs : CPC B64C33/00 or CPC Y10S244/903

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Year filed:
None (3) · 1880 - 1889 (1) · 1900 - 1909 (16) · 1910 - 1919 (33)
Year granted:
None (6) · 1880 - 1889 (1) · 1900 - 1909 (8) · 1910 - 1919 (33) · 1920 - 1929 (5)
Office:
DE (3) · FR (9) · GB (31) · US (10)
Inventors:
Franz Xaver Wels (2) · Richard A. Engler (2)
Inventor country:
None (8) · AT (3) · DE (7) · ES (1) · FR (8) · GB (11) · RO (1) · SE (1) · US (13)
Inventor location:
None (47) · Brixton (1) · Chicago (1) · Greene county, GA (1) · Greensboro, Georgia (1) · Leeds (1) · Munich (1) · Pennsylvania (1) · Yorkshire (1)
Applicant person:
Franz Xaver Wels (2) · Richard A. Engler (2)
Applicant firm:
None (53)
Applicant type:
INDIV (53)
Applicant is inventor:
No (2) · Yes (51)
Tech fields:
None (25) · Ornithopter (9) · flapping (8) · wings (8) · propulsion (7) · design (6) · hybrid (5) · lift (3) · frame (3) · stability (3) · human-powered (3) · glider (3) · HTA (3) · airship (2) · sustentation (2) · aerodynamics (2) · safety (2) · rudder (2) · navigation (2) · airplane (2)
Filing date:
1880 - 1889 (1) · 1900 - 1909 (17) · 1910 - 1919 (35)
Full specification filed date:
None (42) · 1909 (4) · 1910 (2) · 1913 (3) · 1914 (1) · 1919 (1)
Application number:
None (2)
Grant date:
None (9) · 1880 - 1889 (1) · 1900 - 1909 (5) · 1910 - 1919 (32) · 1920 - 1929 (6)
Granted:
No (6) · Yes (47)
Publication date:
None (50) · 1908 (1) · 1910 (1) · 1912 (1)
Supplementary to patent:
None (42) · Patent AT-1912-75092 (2) · Patent DE-1908-09-18-Just (1) · Patent DE-1910-05-25 Richard Blum (1) · Patent DE-1912-7-15 (1) · Patent FR-1909-402329 (1) · Patent FR-1910-419140 (1) · Patent GB-1909-9303 (1) · Patent GB-1913-4191 (2) · Patent US-1909-940701 (1) · Patent US-1910-1018190 (1) · Patent US-1912-1031461 (1)
Related to aircraft:
None (6) · 1 (30) · Yes (17)
Patent agent:
None (28) · A. M. Wilson (1) · Allison Bros. (1) · B. E. Dunbar Kilburn (1) · Carl Tewes (1) · Chas. Berthon (1) · Cruikshank & Fairweather, Limited (1) · Cruikshank & Fairweather, Ltd. (1) · E. W. Pitman (1) · Edward Evans & Co. (1) · F. M. Mellor (1) · G. de Mestral et F. Harlé (1) · Gedge & Feeny (1) · H. Gardner & Son (1) · Herbert Haddan & Co. (1) · J. Clark Jefferson, F.I.P.A. (1) · J. M. Wilson (1) · John H. Nolan (1) · Joshua R. H. Potts (1) · Lavoix et Mosès (1) · Mewburn, Ellis & Pryor (1) · Page & Rowlingson (1) · The Association of Patent Experts, Ltd. (1) · W. P. Thompson & Co. (2) · Wheatley & Mackenzie (1)
Assigned to:
None (53)
National tech categories: (Click arrow to add another value)
IPCs:
None (20) · IPC B64C3/38 (1) · IPC B64C33/00 (32) · IPC B64C33/02 (2)
CPCs: (Click arrow to add another value)
Family year:
None (1) · 1880 - 1889 (1) · 1900 - 1909 (16) · 1910 - 1919 (35)
First filing:
No (19) · Yes (34)
Cites these patents:
None (52) · Patent GB-1908-17150 (1)
Citations from after 1930:
None (11) · 1 (3) · 2 (1) · 4 (1) · 41 (1)
Number of text pages:
None (19) · 2 - 3 (10) · 3 - 5 (15) · 5 - 11 (9)
Number of claims:
None (19) · 1 - 3 (11) · 3 - 5 (5) · 5 - 8 (10) · 8 - 20 (8)
Number of diagram pages:
None (19) · 1 - 2 (12) · 2 - 3 (10) · 3 - 8 (12)
Number of figures:
None (20) · 1 - 3 (2) · 3 - 5 (7) · 5 - 7 (9) · 7 - 10 (7) · 10 - 30 (8)

Showing below up to 53 results in range #1 to #53.

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