Drilldown: Patents

Jump to navigation Jump to search
Patents > Grant date: 1920 - 1929 & CPCs : CPC B64C17/00 or CPC B64C2700/6271

Use the filters below to narrow your results.

Year filed:
None (1) · 1913 (2) · 1914 (7) · 1915 (3) · 1916 (5) · 1917 (11) · 1918 (19) · 1919 (1) · 1920 (1)
Year granted:
1918 (1) · 1920 (23) · 1921 (18) · 1922 (2) · 1923 (2) · 1924 (3) · 1925 (1)
Office:
DE (9) · FR (11) · GB (3) · US (27)
Inventors:
None (7) · James Vernon Martin (3) · Alfred John Macy (3) · Raimund Nimfuehr (2) · Jacob Knappich (2) · APP D AVIAT DOUTRE (2) · Erastus E. Winkley (2)
Inventor country:
None (18) · AT (3) · CA (1) · DE (3) · FR (8) · GB (2) · US (16)
Applicant person:
None (4) · James Vernon Martin (4) · Alfred John Macy (3) · Erastus E. Winkley (2) · Jacob Knappich (2) · APP D AVIAT DOUTRE (2) · Raimund Nimfuehr (2)
Applicant firm:
None (43) · 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 (8) · COMPANY + INDIV (2) · COMPANY+INDIV (1) · INDIV (34) · INDIV+COMPANY (1)
Applicant is inventor:
No (16) · Yes (34)
Tech fields:
None (30) · aerodynamics (2) · aeroplane stability (1) · airplane (8) · automatic (1) · automatic stability (3) · control (2) · design (2) · equilibrium (1) · gyroscope (1) · heavier-than-air (1) · HTA (1) · magnet (1) · marine (3) · military (1) · pendulum (2) · pneumatics (1) · projectile (1) · stability (15) · steering (1) · subsystem (2) · torpedo (1)
Filing date:
1913 (2) · 1914 (7) · 1915 (3) · 1916 (5) · 1917 (11) · 1918 (20) · 1919 (1) · 1920 (1)
Full specification filed date:
May 17, 1922 (1)
Application number:
None (2)
Grant date:
1920 (24) · 1921 (18) · 1922 (2) · 1923 (2) · 1924 (3) · 1925 (1)
Granted:
Yes (50)
Publication date:
May 1920 (1) · August 1920 (2) · February 1921 (1) · May 1921 (1) · June 1921 (1) · July 1921 (1) · August 1921 (1) · September 1921 (1)
Supplementary to patent:
None (44) · 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-1916-493651 (1) · Patent GB-1918-128040 (1) · Patent IT-1918-12-13-Salvatore de Santis (1)
Related to aircraft:
None (18) · 1 (21) · No (1) · Yes (10)
Patent agent:
None (38) · Barthell & Barthell? (1) · Charles Assi (1) · Charles W. Hills (1) · Dony et Armengaud aîné (1) · E. Blétry (1) · Eugène Testavin (1) · G. Wright Arnold (1) · Herbert H. Thompson (1) · Société G. Breton, P. Audy, J. Rousset, A Vergé (1) · T. Damas (1) · Van Esman, Fish, & Hildenrath (1) · Van Everson, Fish, & Heldreth (1)
Assigned to:
None (48) · Macy Engineering Company (1) · Sperry Gyroscope Company (1)
National tech categories:
None (34) · DE 77h.5 (6) · FR 12.4 (1) · FR 6.3 (1) · FR 6.4 (6) · USPC 244/177 (2) · USPC 244/181 (1) · USPC 244/79 (1) · USPC 244/80 (1) · USPC 244/81 (1) · USPC 74/5.34 (1)
IPCs:
None (28) · IPC B64C1/00 (7) · IPC B64C17/00 (21) · IPC B64C23/00 (1) · IPC B64C23/06 (1) · IPC H03B7/10 (2)
CPCs: (Click arrow to add another value)
Family year:
1913 (2) · 1914 (7) · 1915 (3) · 1916 (6) · 1917 (10) · 1918 (22)
First filing:
No (6) · Yes (44)
Cites these patents:
None (50)
Citations from after 1930:
None (2) · 2 (1) · 5 (1)
Number of text pages:
None (25) · 2 - 3 (7) · 3 - 4 (4) · 4 - 7 (8) · 7 - 30 (6)
Number of claims:
None (26) · 1 - 3 (13) · 3 - 10 (3) · 10 - 110 (8)
Number of diagram pages:
None (25) · 1 (15) · 2 (2) · 3 (2) · 5 (3) · 6 (3)
Number of figures:
None (25) · 1 - 3 (4) · 3 - 5 (5) · 5 - 8 (4) · 8 - 10 (5) · 10 - 30 (7)

Showing below up to 50 results in range #1 to #50.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)

Retrieved from "http://econterms.net/aero/Special:Drilldown/Patents"