Drilldown: Patents

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Patents > Grant date: 1880 - 1889 & Number of figures: 4-11

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Office:
Inventors:
Georg Wellner (3) · Otto Lilienthal (3) · Wald Gustafson (2) · John H. Nolan (2)
Inventor country:
Applicant person:
None (10) · Wald Gustafson (2) · Otto Lilienthal (2) · John H. Nolan (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (29) · propulsion (18) · navigation (18) · balloon (10) · None (9) · propeller (9) · frame (8) · control (7) · rudder (6) · military (6) · airship (4) · marine (4) · stability (4) · landing (4) · projectile (4)
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National tech categories:
None (25) · DE 77 (12) · USPC 244/30 (4) · USPC 244/153R (3) · USPC 244/127 (2) · USPC 244/96 (2) · USPC 244/73R (2) · USPC 244/70 (2) · USPC 244/64 (2) · USPC 244/3.27 (2) · USPC 244/3.23 (2) · USPC 89/1.51 (2) · USPC 114/21.1 (2)
CPCs:
None (10) · CPC B64B1/00 (9) · CPC B64C27/54 (7) · CPC B64C33/02 (5) · CPC F16B2/02 (4) · CPC B64C11/04 (4) · CPC Y10T403/4677 (4) · CPC F16B2200/40 (4) · CPC B64C39/005 (3) · CPC A63H27/08 (3) · CPC B64C23/005 (3) · CPC B64C33/00 (2) · CPC B64C2700/6273 (2) · CPC Y02E10/72 (2) · CPC B64C11/006 (2) · CPC E05G1/024 (2) · CPC B64B1/40 (2)
First filing:
Cites these patents:
Citations from after 1930:
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