Drilldown: Patents

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Patents > Applicant is inventor: No & Grant date: April 1920 & First filing: Other

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Year filed:
(There are no values for this filter)
Year granted:
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Office:
DE (1) · FR (2) · GB (1) · US (8)
Inventors:
None (3) · Charles F. Wilcox (1) · Douglas Dobbins (2) · Francis J. Plym (1) · Harry J. Parker (1) · Henry Kleckler (2) · Leon Péchiney (1) · Ralph Hazlett UPSON (1)
Inventor country:
None (1) · DE (1) · FR (1) · GB (1) · US (8)
Inventor location:
None (8) · Indiana (2) · Michigan (1) · NYC (1)
Applicant person:
None (2) · Albinus Wilcox (1) · Charles F. Wilcox (1) · Douglas Dobbins (2) · Francis J. Plym (1) · Goodyear Tire and Rubber Company (1) · GOODYEAR TIRE RUBBER (1) · Henry Kleckler (1) · John Day De Prez (2) · Leon Péchiney (1) · Raymond Roze Perkins (1) · Sidney Williams (1)
Applicant firm:
None (7) · Curtiss Aeroplane (2) · Kawneer Manufacturing Company (1) · Otwi-Werke m.b.H. (1) · Poulenc frères (1)
Applicant type:
None (2) · COMPANY (3) · COMPANY+INDIV (4) · INDIV (3)
Applicant is inventor: (Click arrow to add another value)
Tech fields:
None (6) · aerodynamics (1) · aileron (1) · airfoil (1) · airplane (1) · balance (1) · ballonet (1) · balloon (1) · chassis (1) · construction (2) · design (1) · flotation (1) · frame (1) · gas (1) · helicopter (1) · HTA (1) · kite (1) · lift (1) · LTA (1) · rubber (1) · safety (1) · seaplane (1) · stability (2) · undercarriage (1) · wings (2)
Filing date:
November 1916 (1) · May 1917 (1) · July 1917 (1) · February 1918 (1) · March 1918 (2) · May 1918 (1) · August 1918 (1) · September 1918 (1) · October 1918 (2) · November 1918 (1)
Full specification filed date:
None (12)
Application number:
13038016 (1) · 16944917 (1) · 18102217 (1) · 21638D (1) · 22454118 (1) · 23743718 (1) · 25778118 (1) · 25966718 (1) · 26407618 (1) · 320412D (1) · 342418 (1) · 504933D (1)
Grant date:
April 6, 1920 (1) · April 13, 1920 (6) · April 15, 1920 (1) · April 20, 1920 (2) · April 26, 1920 (2)
Granted:
Yes (12)
Publication date:
July 20, 1920 (2)
Supplementary to patent:
None (12)
Related to aircraft:
None (1) · 1 (11)
Patent agent:
None (4) · Armengaud jeune (1) · B. Fouquet (1) · George Thorpe (1) · John P. Tarbox (2) · Lockwood & Lockwood (2) · None (1)
Assigned to:
None (7) · Albinus Wilcox (1) · Charles F. Wilcox (1) · Curtiss Aeroplane (2) · John Day De Prez (1) · Kawneer Manufacturing Company (1)
National tech categories:
None (9) · DE 77h.9 (1) · FR 6.4 (2)
IPCs:
None (2) · IPC B64B1/40 (1) · IPC B64C13/02 (1) · IPC B64C23/00 (3) · IPC B64C25/00 (1) · IPC B64C3/00 (1) · IPC B64C35/00 (2) · IPC B64C39/00 (1) · IPC D06M11/44 (1) · IPC D06M11/57 (1) · IPC D06M11/79 (1) · IPC D06M11/82 (1) · IPC D06M13/507 (1) · IPC D06M15/15 (1)
CPCs:
CPC B64B1/00 (1) · CPC B64B1/40 (1) · CPC B64C1/26 (1) · CPC B64C13/02 (1) · CPC B64C17/00 (1) · CPC B64C23/005 (3) · CPC B64C2700/6218 (1) · CPC B64C2700/6233 (1) · CPC B64C2700/6274 (3) · CPC B64C3/00 (1) · CPC B64C35/00 (1) · CPC B64C35/001 (1) · CPC B64C39/00 (1) · CPC B64F2700/6226 (1) · CPC B64F2700/6288 (1) · CPC D06M11/44 (1) · CPC D06M11/57 (1) · CPC D06M11/79 (1) · CPC D06M11/82 (1) · CPC D06M13/127 (1) · CPC D06M13/507 (1) · CPC D06M15/15 (1)
Family year:
(There are no values for this filter)
First filing: (Click arrow to add another value)
Cites these patents:
None (11) · Patent US-1918-1336946 (1)
Citations from after 1930:
None (2) · 1 (1) · 2 (1) · 3 (2)
Number of text pages:
None (2) · 2 (3) · 3 (4) · 4 (1) · 8 (1) · 11 (1)
Number of claims:
None (3) · 1 - 3 (2) · 3 - 30 (7)
Number of diagram pages:
None (2) · 1 (1) · 2 (3) · 3 (5) · 4 (1)
Number of figures:
None (1) · 2 - 6 (3) · 6 - 14 (6)

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