Drilldown: Patents

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Patents > Applicant type : COMPANY or COMPANY + INDIV or Other & Family year: 1800 - 1899 & Citations from after 1930: None & Number of text pages: 2-3 & Number of diagram pages: 2-6

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Office:
Inventors:
Carl Friedrich Billwiller (2)
Inventor country:
Applicant person:
None (6) · Carl Friedrich Billwiller (2)
Applicant type: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
LTA (22) · propulsion (22) · frame (10) · navigation (10) · propeller (9) · airship (8) · balloon (7) · flapping (6) · stability (6) · Airplane (5) · car (5) · marine (5) · propellers (4) · control (4)
Full specification filed date:
Granted:
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Related to aircraft:
National tech categories:
None (14) · DE 77 (10) · USPC 244/30 (4) · HU V/h (3) · GB 4 aëroplanes (2) · GB 4 propel & steer (2) · USPC 244/28 (2) · GB 4 without buoyant (2) · USPC 416/108 (2) · USPC 244/26 (2)
CPCs:
None (22) · CPC B64B1/00 (9) · CPC B64C11/006 (5) · CPC B64C11/48 (3) · CPC B64C27/54 (3) · CPC B63H1/04 (3) · CPC B64C33/02 (3) · CPC B63H5/10 (2) · CPC B64B1/40 (2) · CPC Y02E10/72 (2) · CPC B64C11/343 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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