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Patents > Tech fields: Propellers & IPCs : IPC B64C25/00 or None

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Inventor country:
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Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (283)
Granted:
Supplementary to patent:
None (272) · Patent BE-1909-214032 (33) · Patent US-1909-970771 (8) · Patent FR-1841-9265 (6) · Patent GB-1908-4519 (6) · Patent FR-1911-430455 (5) · Patent HU-1901-24148 (3) · Patent DE-1907-214228 (3) · Patent US-1913-1087946 (3)
Related to aircraft:
Patent agent:
None (284) · A. Wunderlich & Cie, Ingénieurs-Conseils (40) · Munn & Co. (5) · Kirkpatrick (4) · Boult, Wade & Tennant (4) · Marks & Clerk (3) · None (3) · E. et G. Bede (3) · E. Blum & Co. (3) · Duvinage (3) · Raclot (3)
National tech categories:
None (121) · HU V/h (100) · BE K (95) · AT 77d (28) · FR 6.3 (11) · FR 6.4 (8) · FR 6.2 (7) · CH 129b (7) · FR 6 (7) · DK 77 (4) · CH 115 (4) · IT 8 (3) · CH 128c (3) · USPC 244/233 (3) · FR 5 (3)
IPCs: (Click arrow to add another value)
CPCs:
None (372) · CPC B64C13/00 (9) · CPC B64C11/48 (6) · CPC B63H1/12 (5) · CPC B64C11/006 (4) · CPC B64C39/005 (3) · CPC B64C23/005 (3) · CPC B64C11/36 (3) · CPC B64C39/08 (2) · CPC B64C29/0025 (2) · CPC F01D5/06 (2) · CPC F04D25/088 (2) · CPC B64C27/006 (2) · CPC F04D29/2266 (2) · CPC F04D29/384 (2) · CPC B64C11/343 (2) · CPC B63H5/10 (2) · CPC B64B1/00 (2) · CPC B63H1/24 (2) · CPC B63H11/08 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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