Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & Inventor location: None & Number of claims: 7-2000

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Year filed:
(There are no values for this filter)
Year granted:
None (1) · 1920 (1) · 1921 (2) · 1922 (1) · 1923 (2) · 1924 (1) · 1925 (1) · 1927 (1)
Office:
CA (1) · DE (1) · FR (1) · GB (1) · US (6)
Inventors:
None (1) · Charles Arthur Wragg (2) · Eugene Ludwig Greenewald (1) · George Lanzius (2) · Henry E. Krammer (1) · Jakob Haw (1) · William Davey Oddy (1) · William E. Lawn (1) · William John Adderley (1) · William S. Hull (1)
Inventor country:
AU (2) · DE (2) · GB (1) · US (7)
Inventor location: (Click arrow to add another value)
Applicant person:
None (2) · Charles Arthur Wragg (1) · Charles-Arthur Wragg (1) · Eugene Ludwig Greenewald (1) · Evelyn Eliza Fairbanks Lanzius (1) · George Lanzius (1) · Henry E. Krammer (1) · William Davey Oddy (1) · William E. Lawn (1) · William John Adderley (1) · William S. Hull (1)
Applicant firm:
None (8) · Daimler-Motoren-Gesellschaft (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 (1) · June 1920 (2) · July 1920 (3) · January 1921 (1) · February 1921 (1) · April 1921 (1) · September 1922 (1)
Full specification filed date:
April 4, 1921 (1)
Application number:
None (9) · 25491718 (1)
Grant date:
None (2) · 1920 (1) · 1921 (2) · 1922 (1) · 1923 (2) · 1924 (1) · 1927 (1)
Granted:
No (1) · Yes (9)
Publication date:
None (8) · 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-1915-05-31 Daimler Motoren-Gesellschaft (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 (8)
Patent agent:
None (2) · A. Albright? (1) · Barlow et Gentizon (1) · Church & Rich (1) · Clement Lean (1) · F. W. Barker (1) · William Wallace White (3)
Assigned to:
None (10)
National tech categories:
None (5) · 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 B64B1/00 (1) · IPC B64C11/16 (1) · IPC B64C11/36 (1) · IPC B64C21/08 (1) · IPC B64C23/00 (1) · IPC B64C9/16 (1) · IPC B64D27/00 (1) · IPC B64D27/04 (1) · IPC B64D31/04 (1) · IPC F16D 3/50 (1) · IPC F16D3/72 (1)
CPCs:
None (1) · B64D31/04 (1) · CPC B64D27/04 (1) · CPC B64B1/00 (1) · CPC B64C11/20 (1) · CPC B64C11/36 (1) · CPC B64C13/30 (1) · CPC B64C23/005 (1) · CPC B64C9/16 (1) · CPC B64C9/18 (1) · CPC B64D27/00 (1) · CPC F16D3/72 (1) · CPC Y02T50/10 (1) · CPC Y10T403/7084 (1)
Family year:
None (1) · 1914 (1) · 1915 (2) · 1918 (2) · 1920 (3) · 1921 (1)
First filing:
No (4) · Yes (6)
Cites these patents:
None (9) · Patent US-1920-376325 (1)
Citations from after 1930:
None (1) · 4 (1) · 6 (1)
Number of text pages:
2 - 4 (3) · 4 - 8 (7)
Number of claims:
7 - 10 (4) · 10 - 60 (6)
Number of diagram pages:
1 - 2 (2) · 2 - 7 (8)
Number of figures:
4 - 7 (4) · 7 - 30 (6)

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