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Patents > Tech fields: helicopter & Related to aircraft: 1 & Number of diagram pages: 1-2

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Office:
Inventors:
Édouard-Jean Bigourdan (5) · Kurt Schultze (5) · Thomas Augustus Dring (4) · Peter Pitcairn Carmichael (2) · Achille Derazey (2) · Wilhelm Kress (2) · Louis Lacoin (2) · Jacob Christian Hansen-Ellehammer (2) · Alexis Beurrier (2) · Vassily Rebikov (2) · Karl Pollacsek (2) · Niels Waltersen Aasen (2) · Gustav Mees (2) · George Alphonzo Metcalf (2)
Inventor country:
Applicant person:
None (12) · Kurt Schultze (4) · Édouard-Jean Bigourdan (3) · Peter Pitcairn Carmichael (2) · Jacob Christian Hansen-Ellehammer (2) · Gustav Mees (2) · Karl Pollacsek (2) · George Alphonzo Metcalf (2) · Louis Lacoin (2) · Niels Waltersen Aasen (2) · Alexis Beurrier (2) · Wilhelm Kress (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (30)
Granted:
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (33) · None (8) · Arthur Otto Sachse (3) · Mathys & Co. (2) · Boult, Wade & Tennant (2) · Lavoix et Mosès (2) · G. Petiau (2) · Brandon frères (2) · Armengaud jeune (2) · Marks & Clerk (2) · J. S. Withers & Spooner (2)
National tech categories:
FR 6.4 (31) · None (18) · HU V/h (9) · AU 90.3 (5) · USPC 244/6 (4) · AU 90.5 (3) · USPC 244/65 (3) · DE 77h.6 (3) · USPC 244/17.21 (3) · AT 77d (3) · RU Group V (2) · USPC 416/123 (2) · USPC 244/9 (2) · USPC 244/64 (2) · USPC 244/34R (2) · USPC 244/20 (2) · USPC 244/17.19 (2) · DE 77 (2) · CH 129b (2)
CPCs:
None (31) · CPC B64C2700/6281 (17) · CPC B64C27/04 (14) · CPC B64C23/005 (12) · CPC B64C39/005 (7) · CPC B64C27/82 (6) · CPC B64C2700/6274 (5) · CPC B64C11/005 (3) · CPC B64C27/00 (2) · CPC B64C39/00 (2) · CPC B64C27/12 (2) · CPC B64C29/0025 (2) · CPC B64C27/20 (2) · CPC B64C5/04 (2) · CPC B64C27/28 (2) · CPC B64C2700/629 (2) · CPC B64C11/007 (2) · CPC B64C27/54 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 107 results in range #1 to #107.

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