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Patents > Tech fields : helicopter or navigation & Number of figures: 6-8

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Office:
Inventors:
None (5) · John Washington Wilson (5) · Robert Esnault-Pelterie (4)
Inventor location:
None (173) · Seine (4) · Pennsylvania (3) · County Down (2) · St. Louis (2) · Seine-et-Oise (2) · Parkmount, Banbridge (2) · New York City (2) · Morbihan (2) · Lorient (2) · London (2) · Cumberland county, PA (2) · Zurich (2) · Charente-Inférieure (2) · Chicago (2) · Banbridge (2) · Berlin (2)
Applicant person:
None (31) · John Washington Wilson (5) · Robert Esnault-Pelterie (4) · Ambroise Goupy (2) · Thomas Augustus Dring (2) · Louis-Isidore Henry (2) · Louis Lacoin (2) · Louis Coutant Badeau (2) · John Holmes Wilson (2) · Halvor Olsen Eiane (2) · Franklin Tompkins (2) · Francisco Rafael De Urruela (2) · Isaac Bell (2) · Alexis Beurrier (2) · Adolphe Clément-Bayard (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (68)
Granted:
Supplementary to patent:
None (158) · Patent US-1909-970771 (3) · Patent FR-1908-393976 (2) · Patent DE-1907-194166 (2) · Patent DE-1909-Wilcke-Graff (2)
Related to aircraft:
Patent agent:
None (49) · Munn & Co. (9) · Armengaud jeune (8) · Marks & Clerk (6) · Victor J. Evans (5) · None (5) · Lavoix et Mosès (4) · Herbert Haddan & Co. (3) · Phillipss (3) · E. Blétry (3) · Haseltine, Lake & Co. (3) · C. A. Snow & Co. (3)
National tech categories:
FR 6.4 (43) · None (43) · USPC 244/6 (9) · DE 77 (9) · FR 6.3 (6) · USPC 244/22 (5) · USPC 244/70 (5) · USPC 244/100R (5) · DK 77 (4) · FR 6.2 (4) · USPC 244/26 (3) · USPC 244/30 (3) · USPC 244/51 (3) · USPC 244/12.1 (3) · USPC 244/66 (3) · USPC 244/90R (3) · AT 77d (3)
IPCs:
None (100) · IPC B64B1/00 (15) · IPC B64C27/04 (10) · IPC B64C23/00 (8) · IPC B64C39/00 (8) · IPC B64B1/58 (7) · IPC B64B1/40 (5) · IPC B64C33/02 (4) · IPC B64C1/00 (4) · IPC B64C11/00 (4) · IPC CPC B64C13/00 (3) · IPC B64C3/52 (3) · IPC B64C17/00 (3) · IPC B64C29/00 (2) · IPC B64C3/38 (2) · IPC B64C33/00 (2) · IPC G01P3/36 (2) · IPC B64C25/00 (2) · IPC B64C17/06 (2)
CPCs:
None (37) · CPC B64C23/005 (25) · CPC B64B1/00 (22) · CPC B64C39/005 (10) · CPC B64C33/02 (9) · CPC B64C2700/6274 (8) · CPC B64C2700/6281 (7) · CPC B64B1/58 (7) · CPC B64C13/00 (6) · CPC B64C27/04 (6) · CPC B64C2700/6295 (6) · CPC B64C17/00 (5) · CPC B64B1/40 (4) · CPC B64C3/385 (4) · CPC B64C29/0033 (3) · CPC B64C3/52 (3) · CPC B64C27/12 (3)
First filing:
Citations from after 1930:
Number of diagram pages:
Number of figures:

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