Drilldown: Patents

Patents > Filing date: 1920 - 1929 & Number of claims: 8-50

Use the filters below to narrow your results.

Year filed:

(There are no values for this filter)

Year granted:

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

Office:

CA (1) · DE (1) · FR (2) · US (5)

Inventors:

Charles Arthur Wragg (2) · Eugene Ludwig Greenewald (1) · George Lanzius (2) · Jakob Haw (1) · James M. H. Jacobs (1) · Orville Wright (1) · Robert Ingersoll Eustis (1) · Seth Hart (1) · William Davey Oddy (1) · William E. Lawn (1) · William John Adderley (1)

Inventor country:

AU (2) · DE (1) · GB (1) · US (7)

Inventor location:

None (7) · Dayton (1) · Los Angeles (1)

Applicant person:

None (1) · Charles Arthur Wragg (1) · Charles-Arthur Wragg (1) · Eugene Ludwig Greenewald (1) · Evelyn Eliza Fairbanks Lanzius (1) · George Lanzius (1) · James M. H. Jacobs (1) · Orville Wright (1) · Robert Ingersoll Eustis (1) · Seth Hart (1) · William Davey Oddy (1) · William E. Lawn (1) · William John Adderley (1)

Applicant firm:

None (7) · Dayton Wright Company (1) · Koylinoyl Suspension Corporation (1)

Applicant type:

COMPANY+INDIV (1) · INDIV (8)

Applicant is inventor:

No (2) · Yes (7)

Tech fields:

None (1) · airfoil (2) · airplane (3) · camber (1) · coupling (1) · elasticity (1) · landing (1) · lift (1) · propeller (2) · propellers (1) · suspension (1) · Tragfläche (1) · transmission (1) · wing (1)

Filing date:

February 1920 (1) · May 1920 (1) · June 1920 (2) · July 1920 (2) · February 1921 (1) · May 1921 (1) · September 1922 (1)

Full specification filed date:

April 4, 1921 (1)

Application number:

None (8) · 25491718 (1)

Grant date:

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

Granted:

Yes (9)

Publication date:

None (7) · 1921 (1) · 1925 (1)

Supplementary to patent:

None (5) · Patent AT-1917-87219 (1) · Patent AT-1917-87220 (1) · Patent AU-1914-14892 (1) · Patent DE-1915-300200 (1) · Patent DE-1916-309361 (1) · Patent DE-1916-332539 (1) · Patent DE-1916-332540 (1) · Patent DE-1916-332541 (1) · Patent DE-1919-332428 (1) · Patent HU-1917-75493 (1) · Patent HU-1917-76645 (1) · Patent US-1918-09-20 William E. Lawn (1) · Patent US-1918-1589780 (2)

Related to aircraft:

None (1) · .5 (1) · 1 (7)

Patent agent:

None (1) · Barlow et Gentizon (1) · Chappell Earl (1) · Church & Rich (1) · Clement Lean (1) · Francis D. Hardesty (1) · William Wallace White (3)

Assigned to:

None (9)

National tech categories:

None (4) · CA 267/5 (1) · DE 77h.5 (1) · FR 6.4 (1) · USPC 244/6 (1) · USPC 244/66 (1) · USPC 464/60 (1)

IPCs:

IPC B60G7/02 (1) · IPC B64C11/16 (1) · IPC B64C11/36 (2) · IPC B64C21/08 (1) · IPC B64C23/00 (1) · IPC B64C3/50 (1) · IPC B64C9/14 (1) · IPC B64C9/16 (1) · IPC F16D 3/50 (1) · IPC F16D3/72 (1)

CPCs:

None (1) · CPC B64C11/20 (1) · CPC B64C11/36 (2) · CPC B64C13/30 (1) · CPC B64C23/005 (1) · CPC B64C3/50 (1) · CPC B64C9/146 (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) · 1915 (1) · 1918 (2) · 1920 (4) · 1921 (1)

First filing:

No (3) · Yes (6)

Cites these patents:

None (9)

Citations from after 1930:

None (6) · 1 (1) · 4 (1) · 5 (1)

Number of text pages:

2 - 4 (2) · 4 - 8 (7)

Number of claims:

8 - 10 (3) · 10 - 16 (6)

Number of diagram pages:

1 (2) · 2 (2) · 3 (3) · 4 (1) · 5 (1)

Number of figures:

4 - 8 (3) · 8 - 30 (6)

Showing below up to 9 results in range #1 to #9.

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

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