Drilldown: Patents

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Patents > Office: US & Assigned to: None & CPCs : CPC B64B1/40 or None

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Office: (Click arrow to add another value)
Inventor country:
Applicant person:
None (361) · James Hartness (2) · Johann Schütte (2) · John J. Rectenwald (2) · Frederick Brackett (2) · Luft Fahrzeug G.m.b.H. (2)
Applicant is inventor:
Tech fields:
None (280) · LTA (59) · propulsion (26) · balloon (26) · frame (19) · stability (18) · navigation (18) · parachute (16) · car (15) · safety (15) · propeller (15) · military (15) · marine (15) · takeoff (9) · airplane (9) · projectile (8) · kite (8) · helicopter (7) · rudder (7)
Application number:
None (402) · navigation (4)
Granted:
Patent agent:
None (413) · Munn & Co. (7) · 1 (7) · None (2)
Assigned to: (Click arrow to add another value)
National tech categories:
None (133) · USPC 244/147 (19) · USPC 244/139 (18) · USPC 244/153R (17) · USPC 244/142 (16) · USPC 244/127 (16) · USPC 244/149 (13) · USPC 244/96 (12) · USPC 244/3.23 (11) · USPC 244/63 (10) · USPC 244/33 (10) · USPC 244/53A (9) · USPC 244/32 (9) · USPC 244/31 (8) · USPC 244/119 (8) · USPC 244/144 (7) · USPC 244/65 (6) · USPC 244/99 (6) · USPC 244/138R (6) · USPC 244/3.1 (6)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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