Drilldown: Patents

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Patents > IPCs : IPC B64C23/00 or IPC B64D17/00 & Number of claims: 4-10

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Year filed:
1880 - 1889 (1) · 1900 - 1909 (18) · 1910 - 1919 (47)
Year granted:
1880 - 1889 (1) · 1900 - 1909 (10) · 1910 - 1919 (50) · 1920 - 1929 (5)
Office:
CH (1) · DE (1) · FR (33) · GB (23) · NL (1) · US (7)
Inventors:
None (2) · Gustav Mees (2) · Alcime Lefèvre (2) · Ernest William Welsh (2) · Everard Richard Calthrop (2) · Jean Desbois (2)
Inventor country:
None (1) · AT (1) · AU (1) · BE (1) · CA (1) · CH (1) · DE (6) · FR (25) · GB (13) · NL (1) · RU (2) · Russia (1) · SR (1) · US (12)
Applicant person:
None (4) · Gustav Mees (2) · Alcime Lefèvre (2) · Ernest William Welsh (2) · Everard Richard Calthrop (2) · Jean Desbois (2)
Applicant firm:
None (65) · Novitas Fabrik Elektrischer Apparate A.-G. (1)
Applicant type:
None (1) · COMPANY (2) · INDIV (63)
Applicant is inventor:
No (2) · Yes (64)
Tech fields:
airplane (24) · propulsion (14) · None (12) · design (12) · Hybrid (12) · frame (10) · parachute (8) · Propellers (8) · Construction (7) · ascension (6) · Helicopter (6) · whole (6) · safety (5) · heavier-than-air (5) · Control (5) · lift (5) · aerodynamics (4) · propeller (4) · sustentation (4) · parachutes (4)
Filing date:
1880 - 1889 (1) · 1900 - 1909 (18) · 1910 - 1919 (47)
Full specification filed date:
None (54) · 1910 (5) · 1911 (3) · 1912 (1) · 1914 (1) · 1915 (1) · 1916 (1)
Application number:
None (16)
Grant date:
None (1) · 1880 - 1889 (1) · 1900 - 1909 (9) · 1910 - 1919 (50) · 1920 - 1929 (5)
Granted:
None (3) · Yes (63)
Publication date:
None (32) · 1904 (1) · 1906 (1) · 1907 (1) · 1908 (1) · 1909 (1) · 1910 (7) · 1911 (5) · 1912 (8) · 1915 (3) · 1916 (1) · 1917 (1) · 1919 (1) · 1921 (3)
Supplementary to patent:
None (45) · Patent AT-1909-49294 (1) · Patent AT-1911-59404 (1) · Patent AT-1911-59461 (1) · Patent BE-1909-04-10 Joseph-Grégoire Goepfert (1) · Patent BE-1910-12-31 Léon Dangy (1) · Patent DE-1909-220044 (1) · Patent DE-1910-04-26 Gustav Mees (1) · Patent DE-1910-06-18 Carl Hanschke (1) · Patent FR-1908-394254‎ (1) · Patent FR-1908-407090 (1) · Patent FR-1908-407303 (1) · Patent FR-1909-404954 (1) · Patent FR-1909-410140 (2) · Patent FR-1910-414004 (1) · Patent FR-1911-442628 (1) · Patent FR-1912-439277 (2) · Patent FR-1915-525800 (1) · Patent FR-1916-502873 (1) · Patent GB-1910-18683 (1) · Patent GB-1910-26960 (1) · Patent GB-1912-14859 (1) · Patent GB-1915-16791 (1) · Patent US-1913-1110355 (1)
Related to aircraft:
None (1) · -1 (2) · 0 (1) · 1 (44) · No (1) · Yes (17)
Patent agent:
None (7) · None (4) · J. Germain (2) · Edward Evans & Co. (2) · E. Wattier (2) · E. Bletry (2) · L. Chassevent (2) · M. Zerolo (2) · Coquillat (2) · Marks & Clerk (2) · Alfred Ernest White (2)
Assigned to:
None (65) · John A. Still (1) · Joseph L. Henry (1)
National tech categories:
None (25) · CH 114d (1) · DE 77 (1) · FR 11.2 (1) · FR 6.4 (31) · NL 62 (1) · NL 62.5 (1) · USPC 2/2.14 (1) · USPC 2/2.15 (1) · USPC 2/458 (1) · USPC 244/143 (1) · USPC 244/147 (1) · USPC 244/23R (1) · USPC 244/50 (1) · USPC 244/51 (1) · USPC 244/6 (1) · USPC 244/99.1 (1) · USPC 74/5.95 (1)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (49) · CPC B64C2700/6274 (28) · CPC B64D17/00 (12) · CPC B64C2700/6273 (5) · CPC B64D17/00 (EP) (2)
Family year:
None (3) · 1880 - 1889 (1) · 1900 - 1909 (21) · 1910 - 1919 (40) · 2010 - 2019 (1)
First filing:
None (4) · No (20) · Yes (42)
Cites these patents:
None (63)
Citations from after 1930:
None (11) · 1 (2) · 4 (1)
Number of text pages:
2 (15) · 3 (22) · 4 (20) · 5 (7) · 7 (2)
Number of claims:
4 - 5 (21) · 5 - 6 (27) · 6 - 10 (18)
Number of diagram pages:
1 - 2 (41) · 2 - 10 (25)
Number of figures:
None (1) · 1 - 3 (8) · 3 - 4 (11) · 4 - 6 (16) · 6 - 8 (11) · 8 - 30 (19)

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