Drilldown: Patents

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Patents > Office : DK or IN or US & Applicant type: None & Application number: None & National tech categories: None & Number of figures: None

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Office: (Click arrow to add another value)
Inventors:
None (557) · John KAISER (2) · Henry J. Smith (2) · Mark W. Dewey (2) · Robert W. Thompson (2)
Inventor country:
Applicant is inventor:
Tech fields:
None (603) · propulsion (18) · marine (13) · windmill (6) · military (6) · paddle-wheel (5) · navigation (5) · propeller (5) · helicopter (5) · brakes (4) · LTA (3) · electronics (3) · cargo (3) · Vehicle Navigation (2) · aerodynamics (2) · rudder (2) · balloon (2) · clutch (2) · car (2) · ladder (2)
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CPCs:
CPC B64C11/006 (116) · None (106) · CPC B64C11/346 (70) · CPC B64C11/48 (63) · CPC B64C11/36 (43) · CPC B63H1/12 (43) · CPC F05B2260/74 (34) · CPC B64C11/343 (33) · CPC Y02E10/722 (31) · CPC F03D11/00 (31) · CPC B63H1/04 (30) · CPC B64C11/06 (27) · CPC B64C27/33 (21) · CPC B64C3/48 (19) · CPC F03D1/025 (17) · CPC B64C11/065 (16) · CPC Y02E10/72 (15) · CPC F03D3/00 (13) · CPC Y02E10/74 (13) · CPC B64C11/003 (12)
First filing:
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Citations from after 1930:
Number of text pages:
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