Drilldown: Patents

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Patents > Office: DE & Grant date: 1900 - 1909 & Patent agent : E. Bletry or Frazer Furk something or None & Assigned to : Rubber Balloon Company of America or Sperry Gyroscope Company or None

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Office: (Click arrow to add another value)
Inventors:
None (7) · Emil Lehmann (5) · August Riedinger (4) · Firmin Bousson (3) · Joseph Hofmann (3) · Antoine-Charles Mary (2) · Josef Deixler (2) · Heinrich Suter (2)
Inventor country:
Applicant person:
None (39) · August Riedinger (3) · Firmin Bousson (3) · Emil Lehmann (3) · Josef Deixler (2) · Joseph Hofmann (2)
Applicant is inventor:
Tech fields:
LTA (22) · None (19) · propulsion (11) · propeller (10) · flapping (9) · whole (9) · frame (9) · balloon (8) · hybrid (6) · wings (6) · airplane (6) · Propellers (5) · navigation (5) · stability (5) · kite (4) · airship (4) · glider (3) · design (3) · dirigible (3)
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Related to aircraft:
Patent agent: (Click arrow to add another value)
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CPCs:
None (35) · CPC B64C33/02 (7) · CPC B64B1/40 (4) · CPC B64C39/003 (4) · CPC B64C11/006 (3) · CPC B64C33/00 (3) · CPC B64B1/12 (3) · CPC B64C23/00 (2) · CPC B64C2700/6249 (2) · CPC B64C2700/6295 (2) · CPC B64C31/04 (2) · CPC B64B1/58 (2) · CPC B64B1/00 (2) · CPC B64C9/00 (2) · CPC A63H27/08 (2) · CPC B64C23/005 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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