Drilldown: Patents

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Patents > Year filed: 1919 & Year granted: 1920 - 1929 & Number of text pages: 3-20

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Year filed:
(There are no values for this filter)
Year granted:
1920 (7) · 1921 (5) · 1923 (1) · 1924 (1)
Office:
CA (2) · DK (1) · FR (6) · GB (1) · NL (2) · US (2)
Inventors:
None (1) · Alexander Albert Holle (2) · Barnes Wallis (1) · Charles Arthur Wragg (1) · Henry Ziemss, Jr. (1) · Herman Clark Anderson (1) · Hermann Faehrmann (1) · James Mckechnie (1) · John Nelson (1) · Marcel Leyat (1) · Michel Schleiffer (1) · Pierre Le Goaziou (1) · Robert Ingersoll Eustis (1) · Salvatore de Santis (1) · Seth Hart (1)
Inventor country:
None (1) · AU (1) · CA (1) · FR (4) · GB (3) · US (5)
Inventor location:
None (12) · Los Angeles (1) · Paris (1)
Applicant person:
Alexander Albert Holle (2) · Barnes Wallis (1) · Charles Arthur Wragg (1) · Henry Ziemss, Jr. (1) · Herman Clark Anderson (2) · Hermann Faehrmann (1) · James Mckechnie (1) · John Nelson (1) · Marcel Leyat (1) · Michel Schleiffer (1) · Pierre Le Goaziou (1) · Robert Ingersoll Eustis (1) · Salvatore de Santis (1) · Seth Hart (1)
Applicant firm:
None (14)
Applicant type:
None (1) · INDIV (13)
Applicant is inventor:
None (1) · Yes (13)
Tech fields:
None (2) · aerial propeller (1) · aerodynamics (3) · airfoil (1) · airplane (4) · car (1) · control (1) · equilibrium (1) · Heavier-than-air (1) · hydrodynamics (1) · lift (3) · LTA (1) · mooring (1) · navigation (1) · piloting (2) · propeller (1) · propellers (1) · sensors (1) · steering (2) · subsystem (2) · wing (1) · wings (2)
Filing date:
January 1919 (3) · February 1919 (1) · May 1919 (1) · July 1919 (3) · August 1919 (1) · November 1919 (3) · December 1919 (1)
Full specification filed date:
None (14)
Application number:
None (11) · 12601 (1) · 12720 (1) · 1910812406 (1)
Grant date:
None (1) · 1920 (7) · 1921 (5) · 1924 (1)
Granted:
Yes (14)
Publication date:
April 1920 (1) · August 1920 (4) · November 1920 (1) · May 1921 (1) · July 1921 (1)
Supplementary to patent:
None (6) · and Patent DE-1918-07-06 Michel Schleiffer (1) · Patent CA-1918-192493 (2) · Patent DE-1918-04-06 Michel Schleiffer (1) · Patent DE-1918-421323 (1) · Patent FR-1916-501550 (1) · Patent FR-1918-500435 (1) · Patent IT-1918-12-13-Salvatore de Santis (1) · Patent US-1918-1589780 (1) · Patent US-1919-1366074 (1)
Related to aircraft:
1 (13) · Yes (1)
Patent agent:
None (4) · Bryant (1) · Davis & Davis (1) · Dony et Armengaud aîné (1) · Émile Bert (1) · J. Germain (1) · Marks & Clerk (1) · Miller, Chicdale and Parker (1) · None (1) · Paul Blum (1) · T. Damas (1)
Assigned to:
None (14)
National tech categories:
None (5) · DK 77 (1) · FR 12.2 (1) · FR 6.4 (5) · NL 62 (2) · NL 62.7 (2)
IPCs:
None (3) · IPC B62D57/04 (1) · IPC B64B1/00 (1) · IPC B64C11/06 (1) · IPC B64C11/48 (1) · IPC B64C13/00 (1) · IPC B64C13/12 (1) · IPC B64C17/00 (1) · IPC B64C3/14 (1) · IPC B64C3/46 (1) · IPC B64C3/48 (1) · IPC G01S1/72 (1) · IPC H03B7/10 (1)
CPCs:
None (3) · CPC B62D57/04 (1) · CPC B64B1/00 (1) · CPC B64C11/06 (1) · CPC B64C11/48 (1) · CPC B64C13/00 (1) · CPC B64C13/0421 (1) · CPC B64C13/12 (1) · CPC B64C17/00 (1) · CPC B64C3/14 (1) · CPC B64C3/46 (1) · CPC B64C3/48 (1) · CPC G01S1/72 (1) · CPC H03B7/10 (1)
Family year:
None (1) · 1910 (1) · 1916 (1) · 1918 (7) · 1919 (4)
First filing:
None (1) · No (10) · Yes (3)
Cites these patents:
None (14)
Citations from after 1930:
None (5) · 1 (1) · 4 (1)
Number of text pages:
3 - 5 (7) · 5 - 14 (7)
Number of claims:
None (2) · 1 - 2 (6) · 2 - 40 (6)
Number of diagram pages:
None (1) · 1 (8) · 2 (3) · 3 (2)
Number of figures:
None (1) · 5 - 8 (7) · 8 - 20 (5)

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