Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Citations from after 1930: None & Number of figures: 21-27

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Year filed:
1916 (2) · 1917 (6) · 1918 (2) · 1920 (1) · 1921 (1)
Year granted:
1920 (2) · 1921 (1) · 1922 (7) · 1924 (1) · 1925 (1)
Office:
CA (1) · CH (3) · DE (1) · FR (1) · US (6)
Inventors:
Alfred John Macy (5) · Charles Arthur Wragg (1) · Charles Ward Hall (1) · Eugene Ludwig Greenewald (1) · Harris G. Hooper (1) · Homer L. Boyle (1) · Jakob Haw (1) · Robert Kemp (2)
Inventor country:
AU (1) · DE (1) · US (11)
Inventor location:
None (9) · California (1) · Lansing (1) · Larchmont (1) · Larchmont, NY (1) · Los Angeles (1) · Los Angeles county (1) · Michigan (1) · New York state (1) · Westchester county (1)
Applicant person:
None (2) · Alfred John Macy (5) · Charles Arthur Wragg (1) · Charles Ward Hall (1) · Eugene Ludwig Greenewald (1) · Harris G. Hooper (1) · Homer L. Boyle (1) · Robert Kemp (1)
Applicant firm:
None (9) · Macy Engineering Company (1) · Westinghouse Canada Limited (1) · Westinghouse Electric & Manufacturing Company (1)
Applicant type:
COMPANY (1) · COMPANY + INDIV (2) · INDIV (9)
Applicant is inventor:
None (1) · No (1) · Yes (10)
Tech fields:
aerodynamics (1) · airfoil (1) · airplane (6) · automatic stability (2) · biplane (2) · construction (2) · control (2) · design (3) · flying machine (1) · frame (2) · fuselage (2) · metal (1) · pendulum (1) · propeller (1) · propellers (2) · stability (5) · Tragfläche (1) · wings (1)
Filing date:
1916 (2) · 1917 (6) · 1918 (2) · 1920 (1) · 1921 (1)
Full specification filed date:
None (12)
Application number:
None (3) · 18862317 (1) · 19820917 (1) · 25357418 (1) · 513044D (1) · 86613/16 (1) · 93962D (1) · 94353D (1) · 94354D (1) · 9999516 (1)
Grant date:
None (1) · 1920 (2) · 1921 (1) · 1922 (7) · 1924 (1)
Granted:
None (1) · Yes (11)
Publication date:
None (9) · 1921 (1) · 1922 (1) · 1925 (1)
Supplementary to patent:
None (8) · Patent AT-1917-87219 (1) · Patent AT-1917-87220 (1) · Patent AU-1914-14892 (1) · Patent DE-1915-300200 (1) · Patent DE-1916-309361 (1) · Patent DE-1916-332539 (1) · Patent DE-1916-332540 (1) · Patent DE-1916-332541 (1) · Patent DE-1919-332428 (1) · Patent HU-1917-75493 (1) · Patent HU-1917-76645 (1) · Patent US-1913-1203221 (1) · Patent US-1916-1435244 (1) · Patent US-1918-1589780 (1)
Related to aircraft:
1 (9) · Yes (3)
Patent agent:
None (4) · Chappell & Earl (1) · Fritz Isler (3) · Raymond Ives Blakeslee (1) · Société G. Breton, P. Audy, J. Rousset, A Vergé (1) · William B. Whitney (1) · William Wallace White (1)
Assigned to:
None (10) · Macy Engineering Company (1) · Westinghouse Electric & Manufacturing Company (1)
National tech categories:
None (6) · CH 129b (3) · DE 77h.5 (1) · FR 6.4 (1) · USPC 244/177 (1) · USPC 244/80 (1)
IPCs:
None (4) · IPC B64C11/16 (1) · IPC B64C17/00 (2) · IPC B64C17/04 (1) · IPC B64C19/00 (2) · IPC B64C21/08 (1) · IPC B64C3/18 (1) · IPC G05D1/08 (1)
CPCs:
None (1) · CPC B64C11/20 (1) · CPC B64C13/30 (1) · CPC B64C17/00 (3) · CPC B64C17/04 (1) · CPC B64C19/00 (2) · CPC B64C2700/6212 (2) · CPC B64C2700/6233 (2) · CPC B64C3/00 (2) · CPC B64C3/18 (1) · CPC B64C9/18 (1) · CPC Y02T50/10 (1) · CPC Y10S296/90 (1)
Family year:
1913 (1) · 1914 (1) · 1915 (1) · 1916 (3) · 1917 (5) · 1918 (1)
First filing:
None (1) · No (4) · Yes (7)
Cites these patents:
None (12)
Citations from after 1930:
None (12)
Number of text pages:
4 - 6 (3) · 6 - 7 (2) · 7 - 16 (7)
Number of claims:
1 - 7 (3) · 7 - 10 (3) · 10 - 80 (6)
Number of diagram pages:
2 (5) · 3 (3) · 5 (4)
Number of figures:
21 - 23 (2) · 23 - 24 (3) · 24 - 27 (7)

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