Drilldown: Patents

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Patents > Filing date: 1920 & National tech categories: None & Number of figures: 2-5

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
CA (2) · FR (1) · GB (7) · US (3)
Inventors:
None (6) · Albert L. Flattum (1) · John Edward Thompson (1) · Karl Schmittner (1) · Otto S. Lind (1) · Paul Petres (1) · William Davey Oddy (1) · William John Adderley (1) · William Leslie Denham (1)
Inventor country:
CA (1) · DE (7) · GB (1) · US (4)
Inventor location:
None (9) · Alabama (1) · Birmingham, Alabama (1) · Chicago (1) · Jefferson county, AL (1) · Long Island City (1) · NY (1) · Queens county (1) · Spokane (1) · Washington (1)
Applicant person:
None (6) · Albert L. Flattum (1) · John Edward Thompson (1) · Karl Schmittner (1) · Otto S. Lind (1) · Paul Petres (1) · William Davey Oddy (1) · William John Adderley (1) · William Leslie Denham (1)
Applicant firm:
None (6) · Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung (1) · Daimler-Motoren-Gesellschaft (1) · Gothaer Waggonfabrik A. G.‎ (2) · Zeppelin-Werke G.m.b.H. (3)
Applicant type:
None (1) · COMPANY (5) · COMPANY+INDIV (1) · INDIV (6)
Applicant is inventor:
None (5) · Yes (8)
Tech fields:
None (2) · Aerial propeller (1) · Airplane (3) · compartments (1) · construction (1) · control (1) · design (1) · dirigible (1) · engine (1) · landing (1) · LTA (1) · marine (2) · motor (1) · parachutes (1) · propeller (2) · propellers (2) · propulsion (1) · safety (1) · seaplane (2)
Filing date:
January 1920 (1) · March 1920 (1) · April 1920 (1) · June 1920 (2) · July 1920 (6) · November 1920 (2)
Full specification filed date:
April 4, 1921 (1)
Application number:
None (11) · 22495318 (1) · 25340218 (1)
Grant date:
September 1920 (1) · December 1920 (1) · January 1921 (1) · March 1921 (1) · May 1921 (2) · October 1921 (1) · June 1922 (1) · July 1922 (1) · October 1922 (1)
Granted:
No (3) · Yes (10)
Publication date:
September 1920 (1) · March 1921 (1) · May 1921 (2)
Supplementary to patent:
None (4) · Patent CA-1918-196108 (1) · Patent DE-1915-05-31 Daimler Motoren-Gesellschaft (1) · Patent DE-1916-349065 (2) · Patent DE-1917-306449 (1) · Patent DE-1917-Zeppelin-Werke (1) · Patent DE-1918-03-10 Karl Schmittner or Ballonhüllen Gesellschaft m.b.H. (1) · Patent US-1917-1344496 (1) · Patent US-1918-1338025 (1)
Related to aircraft:
1 (10) · Yes (3)
Patent agent:
None (1) · Clement Lean (1) · G. F. Redfern & Co. (1) · Harry Jacobson (1) · Herbert Haddan & Co. (1) · Joshua R. H. Potts (1) · L. N. Reddie (1) · Munn & Co. (1) · Paul Blum (1) · Victor J. Evans (1) · W. P. Thompson & Co. (3)
Assigned to:
None (13)
National tech categories: (Click arrow to add another value)
IPCs:
None (2) · IPC B64C1/30 (1) · IPC B64C11/36 (2) · IPC B64C23/00 (1) · IPC B64C27/04 (1) · IPC B64C3/00 (1) · IPC B64C3/56 (1) · IPC B64C35/00 (1) · IPC B64D17/80 (1) · IPC B64D27/04 (1) · IPC B64D31/04 (1) · IPC B64F1/22 (2)
CPCs:
None (2) · B64D31/04 (1) · CPC B64D27/04 (1) · CPC B64C1/30 (1) · CPC B64C11/36 (2) · CPC B64C23/005 (1) · CPC B64C27/04 (1) · CPC B64C3/00 (1) · CPC B64C3/56 (1) · CPC B64C35/00 (1) · CPC B64D17/80 (1) · CPC B64F1/221 (2)
Family year:
None (2) · 1915 (1) · 1916 (3) · 1917 (2) · 1918 (3) · 1920 (2)
First filing:
None (6) · No (4) · Yes (3)
Cites these patents:
None (13)
Citations from after 1930:
None (10) · 1 (1) · 2 (1) · 6 (1)
Number of text pages:
1 (1) · 2 (7) · 3 (2) · 4 (2) · 5 (1)
Number of claims:
1 - 2 (1) · 2 - 3 (4) · 3 - 8 (8)
Number of diagram pages:
1 (8) · 2 (3) · 3 (1) · 4 (1)
Number of figures:
2 (4) · 3 (1) · 4 (3) · 5 (5)

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