Drilldown: Patents

Jump to navigation Jump to search
Patents > Year granted: 1920 - 1929 & National tech categories : DE 77h.6 or DK 72

Use the filters below to narrow your results.

Year filed:
1915 (2) · 1916 (8) · 1917 (4) · 1918 (6) · 1919 (2)
Year granted:
1920 (8) · 1921 (5) · 1922 (7) · 1923 (1) · 1924 (1)
Office:
DE (22)
Inventors:
None (4) · Carl Leich (1) · Christian Lorenzen (4) · Curt Pinker (1) · Curt Pinkert (1) · Erwin Wesnigk (1) · Eugen Ludwig Müller (1) · Franz Bernards (1) · Hellmuth Hirth (1) · Jakob Haw (5) · Oszkár Asbóth (1) · Reinhard Mannesmann (1)
Inventor country:
AT (1) · DE (18) · GB (2) · HU (1)
Applicant person:
None (9) · Carl Leich (1) · Christian Lorenzen (2) · Curt Pinker (1) · Curt Pinkert (1) · Erwin Wesnigk (1) · Franz Bernards (1) · Hans Reissner (1) · Jakob Haw (4) · Oszkár Asbóth (1)
Applicant firm:
None (19) · Mercur Flugzeugbau (1) · Österreichische Daimler Motoren A. G. (1) · Zahnradfabrik G.m.b.H. (1)
Applicant type:
COMPANY (3) · INDIV (18) · UNIV-PRO-GOV (1)
Applicant is inventor:
No (2) · Yes (20)
Tech fields:
None (2) · aerial propeller (1) · aerial propellers (1) · aerodynamics (1) · airplane (2) · barometer (1) · construction (1) · design (1) · electricity (1) · engine (1) · frame (1) · marine propeller (1) · metal (1) · method (1) · navigation (1) · propeller (13) · propellers (4) · propulsion (5) · subsystem (3) · transmission (1) · transmission of mechanical power (1) · wing (2)
Filing date:
1915 (2) · 1916 (8) · 1917 (4) · 1918 (6) · 1919 (2)
Full specification filed date:
None (22)
Application number:
None (7) · 304238D (1) · 320732D (1) · 320985D (1) · 324135D (1) · 326211D (1) · 326431D (1) · 332540D (1) · 341424D (1) · 347803D (1) · B0084572 (1) · H0068945 (1) · H0070077 (1) · H0075474 (1) · H0080257 (1) · P0035166 (1)
Grant date:
None (8) · 1920 (5) · 1921 (2) · 1922 (5) · 1923 (1) · 1924 (1)
Granted:
Yes (22)
Publication date:
January 1920 (1) · April 1920 (1) · August 1920 (2) · September 1920 (1) · January 1921 (1) · February 1921 (1) · September 1921 (1) · June 1922 (3) · August 1922 (1)
Supplementary to patent:
None (18) · Patent AT-1916-07-22 Oszkár Asbóth (1) · Patent AT-1916-87037 (1) · Patent DE-1917-305040 (2) · Patent DE-1917-323641 (1)
Related to aircraft:
None (1) · 1 (14) · Yes (7)
Patent agent:
None (22)
Assigned to:
None (22)
National tech categories: (Click arrow to add another value)
IPCs:
None (7) · IPC B64C11/38 (1) · IPC B21D53/78 (1) · IPC B64C11/00 (1) · IPC B64C11/04 (1) · IPC B64C11/06 (2) · IPC B64C11/16 (2) · IPC B64C11/18 (1) · IPC B64C11/20 (3) · IPC B64C11/22 (1) · IPC B64C11/24 (1) · IPC B64C11/34 (3) · IPC B64C27/04 (1) · IPC B64C3/14 (1)
CPCs:
None (4) · CPC B21D53/78 (1) · CPC B64C11/00 (2) · CPC B64C11/002 (1) · CPC B64C11/04 (3) · CPC B64C11/065 (2) · CPC B64C11/16 (1) · CPC B64C11/20 (3) · CPC B64C11/22 (1) · CPC B64C11/24 (1) · CPC B64C11/28 (1) · CPC B64C11/34 (1) · CPC B64C11/346 (1) · CPC B64C11/42 (1) · CPC B64C27/20 (1) · CPC B64C2700/6281 (1) · CPC B64C3/14 (1) · CPC B64D2700/62701 (1) · CPC B64D2700/6271 (1)
Family year:
None (7) · 1915 (1) · 1916 (8) · 1917 (2) · 1918 (4)
First filing:
None (4) · No (3) · Yes (15)
Cites these patents:
None (22)
Citations from after 1930:
None (22)
Number of text pages:
1 (6) · 2 (14) · 3 (2)
Number of claims:
None (5) · 1 - 2 (3) · 2 - 3 (7) · 3 - 7 (7)
Number of diagram pages:
None (2) · 1 (20)
Number of figures:
None (2) · 1 (4) · 2 (6) · 3 (7) · 4 (1) · 5 (1)

Showing below up to 23 results in range #1 to #23.

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"