Drilldown: Patents

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Patents > Applicant firm: None & Filing date: 1920 - 1929 & Number of figures: 12-30

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Year filed:
(There are no values for this filter)
Year granted:
1922 (1) · 1924 (1) · 1925 (1) · 1927 (1)
Office:
DE (1) · FR (1) · US (2)
Inventors:
Charles Arthur Wragg (1) · Eugene Ludwig Greenewald (1) · Henry E. Krammer (1) · Jakob Haw (1) · Rene Cecil Motte (1)
Inventor country:
AU (1) · DE (1) · GB (1) · US (2)
Applicant person:
None (1) · Charles Arthur Wragg (1) · Eugene Ludwig Greenewald (1) · Henry E. Krammer (1) · Rene Cecil Motte (1)
Applicant firm: (Click arrow to add another value)
Applicant type:
INDIV (4)
Applicant is inventor:
Yes (4)
Tech fields:
None (1) · airfoil (1) · airplane (1) · construction (1) · fuselage (1) · propeller (1) · Tragfläche (1)
Filing date:
June 1920 (1) · January 1921 (1) · February 1921 (1) · July 1921 (1)
Full specification filed date:
None (4)
Application number:
None (4)
Grant date:
None (1) · 1922 (1) · 1924 (1) · 1927 (1)
Granted:
Yes (4)
Publication date:
None (2) · 1922 (1) · 1925 (1)
Supplementary to patent:
None (1) · 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 GB-1918-140127 (1) · Patent HU-1917-75493 (1) · Patent HU-1917-76645 (1) · Patent US-1918-1589780 (1)
Related to aircraft:
1 (4)
Patent agent:
None (1) · Charles Assi (1) · F. W. Barker (1) · William Wallace White (1)
Assigned to:
None (4)
National tech categories:
None (2) · DE 77h.5 (1) · FR 6.4 (1)
IPCs:
IPC B64B1/00 (1) · IPC B64C11/16 (1) · IPC B64C21/08 (1) · IPC B64C35/00 (1)
CPCs:
CPC B21D51/383 (1) · CPC B64B1/00 (1) · CPC B64C11/20 (1) · CPC B64C13/30 (1) · CPC B64C35/00 (1) · CPC B64C9/18 (1) · CPC Y02T50/10 (1) · CPC Y10T403/7084 (1)
Family year:
None (1) · 1914 (1) · 1915 (1) · 1918 (1)
First filing:
No (3) · Yes (1)
Cites these patents:
None (3) · Patent US-1920-376325 (1)
Citations from after 1930:
None (2) · 1 (1) · 6 (1)
Number of text pages:
4 (2) · 6 (1) · 8 (1)
Number of claims:
1 (1) · 10 (2) · 58 (1)
Number of diagram pages:
2 (1) · 3 (1) · 5 (1) · 7 (1)
Number of figures:
13 (1) · 24 (1) · 25 (1) · 29 (1)

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