Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Number of claims: 8-15 & Number of figures: 11-40

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Office:
Inventors:
Charles Groombridge (3) · Alfred K. R. A. Krakow (3) · Julius Schülke (2) · Ignaz Etrich (2) · Franz Xaver Wels (2) · Franz Wondra (2) · Francis Alexander Barton (2) · Émile Dupont (2) · Eduard Adamek (2) · Robert Esnault-Pelterie (2) · Burrell Cannon (2) · William Alfred South (2)
Inventor country:
Applicant person:
None (8) · Charles Groombridge (3) · William Alfred South (3) · Ignaz Etrich (2) · Franz Xaver Wels (2) · Franz Wondra (2) · Robert Esnault-Pelterie (2) · Émile Dupont (2) · Eduard Adamek (2) · Julius Schülke (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
propulsion (22) · Airplane (20) · frame (15) · Propellers (15) · propeller (13) · stability (13) · LTA (10) · None (10) · design (9) · marine (9) · navigation (9) · hybrid (8) · helicopter (6) · wings (6) · whole (6) · flapping (5) · safety (4)
Full specification filed date:
Application number:
None (24)
Granted:
Publication date:
Related to aircraft:
National tech categories:
None (28) · FR 6.4 (8) · HU V/h (5) · AT 77d (3) · USPC 244/45R (3) · USPC 244/119 (2) · USPC 244/25 (2) · GB 4 aërostats (2) · USPC 244/30 (2) · FR 6.3 (2) · USPC 244/93 (2)
CPCs:
None (28) · CPC B64C39/00 (5) · CPC B64C2700/6295 (5) · CPC B64B1/00 (5) · CPC B64C17/00 (4) · CPC B64C3/385 (3) · CPC B64C39/08 (3) · CPC B64C2700/6218 (2) · CPC B64C23/005 (2) · CPC B64C13/00 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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