Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & Inventor country: US & Number of diagram pages: 2-9

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Year filed:
1920 (7) · 1921 (3) · 1922 (1) · 1927 (1) · 1929 (1)
Year granted:
1920 (2) · 1921 (2) · 1922 (3) · 1924 (2) · 1925 (1) · 1927 (1) · 1928 (1) · 1930 (1)
Office:
CA (1) · DE (1) · FR (4) · US (7)
Inventors:
Charles Arthur Wragg (2) · Eugene Ludwig Greenewald (1) · George Lanzius (1) · George Lehberger (1) · George W. Morrow (1) · Henry E. Krammer (1) · John Arthur Weis (1) · Nikola Tesla (1) · Paul Petres (1) · Robert Ingersoll Eustis (1) · Seth Hart (2) · William Leslie Denham (1) · William S. Hull (1)
Inventor country: (Click arrow to add another value)
Inventor location:
None (9) · Alabama (1) · Birmingham, Alabama (1) · Jefferson county, Alabama (1) · Long Island City (1) · Los Angeles (2) · NY (1) · Queens county (1)
Applicant person:
None (1) · Charles Arthur Wragg (1) · Charles-Arthur Wragg (1) · Eugene Ludwig Greenewald (1) · George Lanzius (1) · George Lehberger (1) · George W. Morrow (1) · Henry E. Krammer (1) · John Arthur Weis (1) · Paul Petres (1) · Robert Ingersoll Eustis (1) · Seth Hart (2) · William Leslie Denham (1) · William S. Hull (1)
Applicant firm:
None (10) · Adjustable & Reversible Propeller Corp (1) · Cloverleaf Propeller Co. (1) · Koylinoyl Suspension Corporation (1)
Applicant type:
None (1) · COMPANY+INDIV (2) · INDIV (10)
Applicant is inventor:
No (1) · Yes (12)
Tech fields:
None (13)
Filing date:
1920 (7) · 1921 (3) · 1922 (1) · 1927 (1) · 1929 (1)
Full specification filed date:
None (13)
Application number:
None (12) · 22495318 (1)
Grant date:
None (1) · 1920 (2) · 1921 (2) · 1922 (3) · 1924 (2) · 1927 (1) · 1928 (1) · 1930 (1)
Granted:
Yes (13)
Publication date:
None (10) · 1920 (1) · 1921 (1) · 1925 (1)
Supplementary to patent:
None (10) · Patent AU-1914-14892 (1) · Patent US-1918-1589780 (2) · Patent US-1928-1655113 (1)
Related to aircraft:
.5 (1) · 1 (10) · Yes (2)
Patent agent:
None (2) · A. Albright? (1) · Barlow et Gentizon (1) · Chappell Earl (1) · Dewey, Strong, Townsend & Loftus (1) · F. W. Barker (1) · Harry Jacobson (1) · L. Chassevent (1) · Leoik? C. Fischer (1) · Munn & Co. (1) · Perey H. Moore (1) · William Wallace White (1)
Assigned to:
None (12) · Adjustable & Reversible Propeller Corp (1)
National tech categories:
None (8) · CA 267/5 (1) · DE 77h.5 (1) · FR 6.4 (2) · USPC 244/65 (1) · USPC 244/7R (1)
IPCs:
IPC B60G7/02 (1) · IPC B63H1/12 (1) · IPC B64B1/00 (1) · IPC B64C11/36 (2) · IPC B64C21/08 (1) · IPC B64C23/00 (1) · IPC B64C27/04 (2) · IPC B64C29/00 (2) · IPC B64C3/56 (1) · IPC B64C9/16 (1) · IPC B64D27/00 (1)
CPCs:
None (1) · CPC B63H1/18 (1) · CPC B63H1/26 (1) · CPC B64B1/00 (1) · CPC B64C11/36 (2) · CPC B64C13/30 (1) · CPC B64C23/005 (1) · CPC B64C27/04 (2) · CPC B64C29/0025 (1) · CPC B64C29/0033 (1) · CPC B64C3/56 (1) · CPC B64C9/16 (1) · CPC B64C9/18 (1) · CPC B64D27/00 (1) · CPC Y02T50/10 (1) · CPC Y10T403/7084 (1) · CPC Y10T74/19051 (1) · CPC Y10T74/20012 (1)
Family year:
None (1) · 1914 (1) · 1916 (1) · 1918 (1) · 1919 (1) · 1920 (3) · 1921 (3) · 1922 (1) · 1929 (1)
First filing:
None (1) · No (3) · Yes (9)
Cites these patents:
None (11) · Patent US-1919-1301052 (1) · Patent US-1919-1366074 (1) · Patent US-1920-376325 (1)
Citations from after 1930:
None (1) · 1 (1) · 2 (2) · 6 (3) · 9 (1)
Number of text pages:
2 (5) · 3 (1) · 4 (2) · 5 (3) · 8 (2)
Number of claims:
2 - 3 (3) · 3 - 7 (4) · 7 - 60 (6)
Number of diagram pages:
2 (7) · 3 (4) · 4 (1) · 7 (1)
Number of figures:
4 - 5 (1) · 5 - 8 (6) · 8 - 30 (6)

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