Drilldown: Patents

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Patents > Office : GR or US & National tech categories : AT 77d or USPC 244/80 or None & First filing: Yes & Number of claims: 5-8

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Office: (Click arrow to add another value)
Inventors:
Nelson W. Dalton (3) · William Starling Burgess (3) · Albert Francis Zahm (2) · Paul G. Zimmermann (2) · Martin Jelalian (2) · Lawrence Burst Sperry (2) · Spencer Heath (2) · Eleazer Kempshall (2) · William S. Hull (2)
Inventor country:
Applicant person:
None (12) · Nelson W. Dalton (3) · Lawrence Burst Sperry (2) · Spencer Heath (2) · William Starling Burgess (2) · William S. Hull (2) · Eleazer Kempshall (2) · Paul G. Zimmermann (2) · Martin Jelalian (2)
Applicant is inventor:
Tech fields:
None (25) · Propeller (21) · airplane (19) · stability (17) · frame (13) · propulsion (10) · fuselage (8) · landing (8) · propellers (8) · marine (7) · construction (7) · navigation (7) · hydroaeroplane (6) · LTA (6) · aerial propeller (6) · automatic stability (5) · rudder (4) · takeoff (4) · design (4) · safety (4)
Full specification filed date:
Application number:
None (22)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (31) · Victor J. Evans (11) · Munn & Co. (7) · John P. Tarbox (6) · Herbert H. Thompson‎‎ (4) · None (4) · C. A. Snow & Co. (3)
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (22) · CPC B64C11/006 (8) · CPC B64C11/48 (8) · CPC B64C3/00 (6) · CPC B64C27/54 (6) · CPC B64C2700/6295 (5) · CPC B64C35/00 (5) · CPC B64C13/00 (5) · CPC B64C27/12 (4) · CPC B64C11/36 (4) · CPC B64C39/005 (4) · CPC B63H1/04 (4) · CPC B64C25/60 (4)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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