Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Office: US & Number of figures: 2-4

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Office: (Click arrow to add another value)
Inventors:
Eleazer Kempshall (2)
Inventor country:
Applicant person:
None (14) · Eleazer Kempshall (2)
Applicant is inventor:
Tech fields:
LTA (12) · propulsion (10) · frame (10) · parachute (7) · military (7) · kite (6) · propeller (6) · balloon (6) · car (5) · navigation (5) · None (5) · projectile (5) · safety (5) · track (4) · stability (3) · marine propulsion (3) · marine (3) · Water wheel (3) · Windmill (3)
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National tech categories:
None (15) · USPC 244/153R (4) · USPC 416/113 (3) · USPC 244/30 (3) · USPC 244/3.23 (3) · USPC 104/22 (2) · USPC 416/87 (2) · USPC 416/210R (2) · USPC 24/713.8 (2) · USPC 244/155R (2) · USPC 244/26 (2)
CPCs:
CPC B64B1/00 (10) · CPC B64C11/006 (7) · CPC B64C11/48 (5) · CPC F05B2260/74 (4) · CPC A63H27/08 (4) · CPC B64C27/54 (4) · CPC Y10T24/3747 (3) · CPC B63H1/12 (3) · CPC F42B10/30 (2) · CPC Y02E10/72 (2) · CPC Y02E10/74 (2) · CPC F16B2/02 (2) · CPC B64C11/003 (2) · CPC F03D1/025 (2) · CPC B64B1/50 (2) · CPC Y10T403/4677 (2) · CPC A63H27/087 (2) · CPC B64C11/04 (2) · CPC B64B1/40 (2)
First filing:
Cites these patents:
Citations from after 1930:
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