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Patents > Tech fields : helicopter or wings & Number of claims: 4-6

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Office:
Inventors:
None (15) · Robert Esnault-Pelterie (10) · Henri-Marie Coandă (7) · Kurt Schultze (4) · John Jaworsky (3) · Alphonse Papin (3) · John Washington Wilson (3) · Arthur Henry Edwards (3) · Maurice Léger (3) · George Anton Ogrissek (3) · Didier Rouilly (3) · Thomas Augustus Dring (3) · Costantino Costantini (3) · Jan Jaakson (3)
Inventor country:
Applicant person:
None (30) · Robert Esnault-Pelterie (10) · Henri-Marie Coandă (7) · Kurt Schultze (3) · Maurice Léger (3) · John Washington Wilson (3) · Jan Jaakson (3) · John Jaworsky (3) · Arthur Henry Edwards (3) · George Anton Ogrissek (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (52)
Granted:
Publication date:
Supplementary to patent:
None (159) · Patent SE-1906-23283 (4) · Patent US-1909-970771 (3) · Patent FR-1910-421136 (2) · Patent FR-1909-403418 (2) · Patent FR-1908-407090 (2) · Patent FR-1911-448337 (2) · Patent GB-1911-12232 (2) · Patent HU-1901-22471 (2) · Patent RU-1905-Rebikov (2) · Patent GB-1908-4519 (2) · Patent US-1914-1157636 (2) · Patent AT-1907-37570 (2)
Related to aircraft:
Patent agent:
None (65) · Armengaud jeune (25) · None (14) · Marks & Clerk (7) · Hippolyte Josse (5) · Dupont et Elluin (5) · E. Blétry (5) · Haseltine, Lake & Co. (3) · Louis Tailfer (3) · Lavoix et Mosès (3) · Boult, Wade & Tennant (3) · Abel & Imray (3) · Browne & Co. (3)
National tech categories:
FR 6.4 (84) · None (77) · HU V/h (17) · DE 77h.5 (6) · FR 6.3 (5) · AT 77d (5) · USPC 244/22 (5) · USPC 244/6 (5) · AU 90.3 (4) · CH 129b (4) · DK 77 (4) · USPC 244/20 (3) · USPC 244/17.11 (2) · USPC 244/17.21 (2) · USPC 244/17.19 (2) · AU 90.5 (2) · USPC 416/112 (2)
IPCs:
None (100) · IPC B64C39/00 (24) · IPC B64C3/00 (15) · IPC B64C27/04 (14) · IPC B64C1/00 (11) · IPC B64C13/00 (8) · IPC B64C17/00 (8) · IPC B64C33/02 (7) · IPC B64C23/00 (6) · IPC B64C3/38 (6) · IPC B64C3/52 (5) · IPC B64C3/48 (4) · IPC B64C11/00 (4) · IPC B64C3/54 (4) · IPC B64C33/00 (4) · IPC B64C35/00 (3) · IPC B64C1/26 (3)
CPCs:
None (59) · CPC B64C3/00 (16) · CPC B64C23/005 (14) · CPC B64C39/00 (12) · CPC B64C33/02 (12) · CPC B64C13/00 (12) · CPC B64C2700/6281 (11) · CPC B64C27/04 (11) · CPC B64C2700/6295 (10) · CPC B64C17/00 (9) · CPC B64C2700/6233 (9) · CPC B64C2700/6256 (8) · CPC B64C39/005 (7) · CPC B64C3/52 (6) · CPC B64C33/00 (5) · CPC B64C3/385 (5) · CPC B64C2700/6274 (5)
First filing:
Citations from after 1930:
Number of claims:
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