Drilldown: Patents

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Patents > Grant date: 1920 - 1929 & CPCs : CPC B64C17/00 or CPC B64C23/005

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Year filed:
None (1) · 1913 (2) · 1914 (6) · 1915 (5) · 1916 (8) · 1917 (14) · 1918 (25) · 1920 (2) · 1922 (1)
Year granted:
1918 (1) · 1920 (31) · 1921 (22) · 1922 (3) · 1923 (3) · 1924 (3) · 1925 (1)
Office:
DE (9) · FR (15) · GB (3) · US (37)
Inventors:
None (8) · Maurice-Achille Lécuyer (4) · Alfred John Macy (3) · James Vernon Martin (3) · Douglas Dobbins (2) · Jacob Knappich (2) · Erastus E. Winkley (2) · Raimund Nimfuehr (2)
Inventor country:
None (12) · AT (3) · CA (1) · DE (3) · DZ (1) · FR (13) · GB (2) · US (30)
Inventor location:
None (44) · Aisne (3) · Allen county, IN (1) · Bergen county (1) · California (1) · Chicago (1) · Cleveland (1) · Dayton (1) · Denver (1) · Elyria (1) · FIPSloc=18003 (1) · FIPSloc=39093 (1) · FIPSloc=6077 (1) · Fort Wayne (1) · Haworth (1) · Indiana (3) · La Ricamarie (1) · Lansing (1) · Loire (2) · Long Island City (1) · Lorain county (1) · Michigan (1) · Minnesota (1) · New Jersey (1) · NY (1) · NYC (1) · Ohio (2) · Queens county (1) · San Joaquin county (1) · Stockton (1) · Var (1) · Villers-Cotterêts (2)
Applicant person:
None (5) · James Vernon Martin (4) · Maurice-Achille Lécuyer (4) · Alfred John Macy (3) · John Day De Prez (2) · Jacob Knappich (2) · Erastus E. Winkley (2) · Raimund Nimfuehr (2) · Douglas Dobbins (2)
Applicant firm:
None (57) · Goerz Optische Anstalt (1) · Macy Engineering Co. (1) · Macy Engineering Company (1) · Mercur Flugzeugbau (1) · Société des Avions Louis Bréguet (1) · Sperry Gyroscope (1) · Tarbox Safety Aircraft Company (1)
Applicant type:
None (4) · COMPANY (6) · COMPANY + INDIV (2) · COMPANY+INDIV (1) · INDIV (50) · INDIV+COMPANY (1)
Applicant is inventor:
None (1) · No (18) · Yes (45)
Tech fields:
None (64)
Filing date:
1913 (2) · 1914 (6) · 1915 (5) · 1916 (8) · 1917 (14) · 1918 (26) · 1920 (2) · 1922 (1)
Full specification filed date:
May 17, 1922 (1)
Application number:
None (2)
Grant date:
1920 (32) · 1921 (22) · 1922 (3) · 1923 (3) · 1924 (3) · 1925 (1)
Granted:
Yes (64)
Publication date:
May 1920 (1) · August 1920 (1) · February 1921 (1) · May 1921 (1) · June 1921 (2) · July 1921 (2) · August 1921 (1) · September 1921 (2) · October 1921 (2) · November 1921 (2)
Supplementary to patent:
None (54) · Patent BE-1913-10-15-Doutre (1) · Patent FR-1914-475066 (1) · Patent FR-1914-476300 (1) · Patent FR-1915-11-11 Marius Latour (1) · Patent FR-1915-476300.20754 (1) · Patent FR-1915-525800 (2) · Patent FR-1916-491738 (1) · Patent FR-1916-493651 (1) · Patent GB-1918-128040 (1) · Patent US-1918-09-20 William E. Lawn (1)
Related to aircraft:
None (12) · 1 (37) · No (1) · Yes (14)
Patent agent:
None (33) · 0 (1) · Baker Macklin (1) · Barthell & Barthell? (1) · Chappell & Earl (1) · Charles Assi (1) · Charles W. Hills (1) · Church & Rich (1) · E. Blétry (1) · Eugène Testavin (1) · Frank Galley? (1) · G. L. Walker (1) · G. Wright Arnold (1) · Harry Jacobson (1) · Herbert H. Thompson (1) · John P. Tarbox (1) · Lockwood & Lockwood (2) · M. Zerolo (1) · None (5) · Owing & Burris (1) · Paul Coulomb (1) · Percy S. Webster (1) · Société G. Breton, P. Audy, J. Rousset, A Vergé (1) · T. Damas (1) · Van Esman, Fish, & Hildenrath (1) · Van Everson, Fish, & Heldreth (1) · W. J. FitzGerald (1)
Assigned to:
None (60) · Albinus Wilcox (1) · Charles F. Wilcox (1) · John Day De Prez (1) · Macy Engineering Company (1) · Sperry Gyroscope Company (1)
National tech categories:
None (40) · DE 77h.5 (6) · FR 12.4 (1) · FR 6.3 (1) · FR 6.4 (12) · USPC 244/177 (2) · USPC 244/181 (1) · USPC 244/23R (1) · USPC 244/50 (1) · USPC 244/6 (1) · USPC 244/66 (1) · USPC 244/79 (1) · USPC 244/80 (1) · USPC 244/81 (1) · USPC 74/5.34 (1)
IPCs:
None (24) · IPC B64C1/00 (8) · IPC B64C17/00 (22) · IPC B64C23/00 (18) · IPC B64C23/06 (1) · IPC H03B7/10 (1)
CPCs: (Click arrow to add another value)
Family year:
None (1) · 1913 (3) · 1914 (5) · 1915 (6) · 1916 (10) · 1917 (11) · 1918 (28)
First filing:
No (7) · Yes (57)
Cites these patents:
None (62) · Patent US-1918-1336946 (1) · Patent US-1918-1370041 (1)
Citations from after 1930:
None (8) · 1 (4) · 2 (2) · 4 (1) · 5 (1)
Number of text pages:
None (16) · 2 - 3 (12) · 3 - 4 (13) · 4 - 7 (12) · 7 - 50,000,000 (11)
Number of claims:
None (18) · 1 - 2 (15) · 2 - 5 (9) · 5 - 11 (11) · 11 - 110 (11)
Number of diagram pages:
None (17) · 1 - 3 (26) · 3 - 4 (8) · 4 - 13 (13)
Number of figures:
None (17) · 1 - 3 (5) · 3 - 5 (10) · 5 - 7 (12) · 7 - 9 (7) · 9 - 40 (13)

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