Drilldown: Patents

Patents > Filing date: 1920 & Granted: Yes & Number of claims: 5-70

Use the filters below to narrow your results.

Year filed:

(There are no values for this filter)

Year granted:

1920 (2) · 1921 (3) · 1922 (1) · 1923 (2) · 1924 (1) · 1925 (1)

Office:

CA (2) · DE (1) · FR (3) · GB (1) · US (3)

Inventors:

None (1) · Anton Flettner (1) · Charles Arthur Wragg (2) · Eugene Ludwig Greenewald (1) · George Lanzius (2) · Otto S. Lind (1) · Raúl Pateras Pescara (1) · Robert Ingersoll Eustis (1) · Seth Hart (1) · William Davey Oddy (1) · William John Adderley (1)

Inventor country:

AR (1) · AU (2) · DE (2) · ES (1) · GB (1) · US (6)

Inventor location:

None (8) · Chicago (1) · Los Angeles (1)

Applicant person:

None (1) · Anton Flettner (1) · Charles Arthur Wragg (1) · Charles-Arthur Wragg (1) · Eugene Ludwig Greenewald (1) · Evelyn Eliza Fairbanks Lanzius (1) · George Lanzius (1) · Otto S. Lind (1) · Raúl Pateras Pescara (1) · Robert Ingersoll Eustis (1) · Seth Hart (1) · William Davey Oddy (1) · William John Adderley (1)

Applicant firm:

None (8) · Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Koylinoyl Suspension Corporation (1)

Applicant type:

COMPANY (1) · COMPANY+INDIV (1) · INDIV (8)

Applicant is inventor:

None (1) · No (2) · Yes (7)

Tech fields:

None (10)

Filing date:

February 1920 (2) · April 1920 (1) · May 1920 (1) · June 1920 (2) · July 1920 (4)

Full specification filed date:

April 4, 1921 (1)

Application number:

None (9) · 25340218 (1)

Grant date:

None (1) · 1920 (2) · 1921 (3) · 1922 (1) · 1923 (2) · 1924 (1)

Granted: (Click arrow to add another value)

Yes · No · None · Other

Publication date:

None (7) · 1920 (1) · 1921 (1) · 1925 (1)

Supplementary to patent:

None (4) · Patent AU-1914-14892 (1) · Patent DE-1916-03-04 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1917-09-23 Ballonhüllen Gesellschaft m.b.H. mit Beschränkter Haftung‎ (1) · Patent DE-1918-388537 (1) · Patent ES-1919-07-03-Pescara (1) · Patent US-1918-1338025 (1) · Patent US-1918-1589780 (2)

Related to aircraft:

None (1) · .5 (1) · 1 (7) · Yes (1)

Patent agent:

None (1) · B. Singer (1) · Barlow et Gentizon (1) · Chappell Earl (1) · Clement Lean (1) · Haseltine, Lake & Co. (1) · Joshua R. H. Potts (1) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (1) · William Wallace White (2)

Assigned to:

None (10)

National tech categories:

None (4) · CA 267/5 (1) · DE 77h.5 (1) · FR 6.4 (2) · USPC 416/112 (1) · USPC 416/127 (1) · USPC 464/60 (1)

IPCs:

None (1) · IPC B60G7/02 (1) · IPC B64B1/58 (1) · IPC B64C11/36 (2) · IPC B64C21/08 (1) · IPC B64C27/00 (1) · IPC B64C27/54 (1) · IPC B64C9/10 (1) · IPC B64C9/16 (1) · IPC F16D 3/50 (1) · IPC F16D3/72 (1)

CPCs:

None (2) · CPC B64B1/58 (1) · CPC B64C11/36 (2) · CPC B64C13/30 (1) · CPC B64C27/54 (1) · CPC B64C9/10 (1) · CPC B64C9/16 (1) · CPC B64C9/18 (1) · CPC F16D3/72 (1) · CPC Y02T50/10 (1) · CPC Y10T74/19051 (1) · CPC Y10T74/20012 (1)

Family year:

1914 (1) · 1916 (1) · 1918 (3) · 1919 (1) · 1920 (4)

First filing:

None (1) · No (5) · Yes (4)

Cites these patents:

None (10)

Citations from after 1930:

None (8) · 1 (1) · 4 (1)

Number of text pages:

2 (2) · 3 (1) · 4 (4) · 5 (2) · 8 (1)

Number of claims:

5 - 8 (4) · 8 - 13 (6)

Number of diagram pages:

None (1) · 1 (4) · 2 (2) · 3 (2) · 4 (1)

Number of figures:

None (1) · 1 - 5 (2) · 5 - 30 (7)

Showing below up to 10 results in range #1 to #10.

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

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