Drilldown: Patents

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Patents > Tech fields: propeller & Filing date: 1910 - 1919

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Year filed:
1911 (1) · 1918 (1)
Year granted:
(There are no values for this filter)
Office:
DE (1) · US (1)
Inventors:
Konrad R. Ritter (1) · William D. Burk (1)
Inventor country:
DE (1) · US (1)
Inventor location:
Leipzig (1) · Leipzig-Schönefeld (1) · Montgomery county, Pennsylvania (1) · Pennsylvania (1) · Willow Grove, Pennsylvania (1)
Applicant person:
Konrad R. Ritter (1) · William D. Burk (1)
Applicant firm:
None (2)
Applicant type:
INDIV (2)
Applicant is inventor:
None (1) · Yes (1)
Tech fields: (Click arrow to add another value)
Filing date:
1911 (1) · 1918 (1)
Full specification filed date:
None (2)
Application number:
1911626998 (1) · R0045666 (1)
Grant date:
August 15, 1911 (1)
Granted:
Yes (2)
Publication date:
October 30, 1923 (1)
Supplementary to patent:
None (2)
Related to aircraft:
1 (2)
Patent agent:
None (1) · Joshua R. H. Potts (1)
Assigned to:
None (2)
National tech categories:
DE 77h.6 (1) · USPC 244/66 (1)
IPCs:
None (1) · IPC B64C27/02 (1)
CPCs:
CPC B64C23/005 (1) · CPC B64C27/02 (1)
Family year:
1911 (1) · 1918 (1)
First filing:
None (1) · Yes (1)
Cites these patents:
None (2)
Citations from after 1930:
None (2)
Number of text pages:
2 (1) · 3 (1)
Number of claims:
3 (1) · 8 (1)
Number of diagram pages:
1 (1) · 3 (1)
Number of figures:
2 (1) · 6 (1)

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