Drilldown: Patents

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Patents > Cites these patents : 1 or None & Citations from after 1930: 2-5 & Number of claims: 1-2

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Office:
Inventors:
John J. Rectenwald (2) · Émile Letord (2)
Inventor country:
Applicant person:
John J. Rectenwald (2) · Émile Letord (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (15) · None (13) · military (13) · projectile (12) · stability (8) · marine (7) · parachute (5) · propeller (5) · navigation (5) · balloon (4) · windmill (4) · helicopter (4) · kite (4) · safety (4) · paddle-wheel (4) · valve (3) · propellers (3) · Propulsion (3) · construction (3)
Full specification filed date:
Application number:
None (50)
Granted:
Related to aircraft:
Patent agent:
None (12) · Munn & Co. (12) · None (5) · Herbert Haddan & Co. (2) · Victor J. Evans (2) · J. Bonnet-Thirion (2)
National tech categories:
None (38) · FR 6.4 (11) · USPC 244/3.23 (11) · USPC 244/153R (3) · USPC 244/3.3 (2) · USPC 244/32 (2) · USPC 244/155R (2) · USPC 244/97 (2) · FR 5.8 (2) · USPC 102/371 (2)
IPCs:
None (43) · IPC B64B1/00 (8) · IPC F42B10/00 (5) · IPC B64C31/06 (5) · IPC B64C31/00 (4) · IPC B64C23/00 (3) · IPC B64C39/00 (3) · IPC B64C27/04 (2) · IPC B64B1/62 (2) · IPC B64C3/56 (2)
CPCs:
CPC F42B10/30 (7) · CPC B64C27/54 (5) · CPC B64B1/40 (5) · CPC A63H27/08 (4) · CPC B64C13/00 (4) · CPC B64C11/343 (4) · CPC B64C11/006 (4) · CPC B64B1/00 (4) · CPC Y02E10/74 (3) · CPC B64C23/005 (3) · CPC B63H1/04 (3)
First filing:
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

Showing below up to 98 results in range #1 to #98.

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