Drilldown: Patents

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Patents > Tech fields : hybrid or hydrogen & Assigned to: None

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Office:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (231) · 191002298D (2)
Granted:
Supplementary to patent:
None (291) · Patent BE-1909-214032 (33) · Patent BE-1907-198483 (4) · Patent FR-1909-410140 (4) · Patent BE-1913-255172 (4) · Patent AT-1912-75092 (4) · Patent US-1909-1137533 (3) · Patent US-1908-922952 (3) · Patent DE-1909-226609 (3) · Patent DE-1909-02-25 Hugo Erdmann (3) · Patent AT-1909-40038 (3) · Patent DE-1896-98109 (3) · Patent FR-1899-292828 (3)
Related to aircraft:
Patent agent:
None (170) · A. Wunderlich & Cie, Ingénieurs-Conseils (34) · Munn & Co. (12) · Victor J. Evans (7) · None (7) · Haseltine, Lake & Co. (6) · Schwab (6) · Armengaud jeune (6) · Marks & Clerk (4) · Boult, Wade & Tennant (4) · Herbert Haddan & Co. (4) · Verhaeghen (4) · J. Germain (3) · J. S. Withers & Spooner (3) · Coquillat (3) · Michael J. Stark & Sons (3) · W. D. Rowlingson (3) · W. P. Thompson & Co. (3)
Assigned to: (Click arrow to add another value)
National tech categories:
None (104) · FR 6.4 (77) · BE K (57) · HU V/h (16) · FR 6.3 (15) · USPC 244/6 (9) · USPC 244/64 (8) · AT 77d (8) · RU Group V (7) · DE 77 (7) · DE 77h (7) · USPC 244/22 (6) · USPC 244/11 (6) · DE 77h.5 (5) · USPC 244/30 (4) · USPC 244/28 (4) · AU 90.3 (4) · USPC 244/25 (4) · GB 4 propel & steer (4)
IPCs:
None (287) · IPC B64B1/00 (33) · IPC B64C23/00 (21) · IPC B64C39/00 (13) · IPC B64C35/00 (10) · IPC B64C27/04 (10) · IPC B64C33/00 (9) · IPC B64C33/02 (7) · IPC B64B1/62 (6) · IPC B64B1/58 (6) · IPC B64C17/00 (5) · IPC B64C27/00 (4) · IPC B64C31/04 (3) · IPC B64C1/00 (3) · IPC B64C29/00 (3)
CPCs:
None (194) · CPC B64B1/00 (51) · CPC B64C23/005 (34) · CPC B64C35/00 (15) · CPC B64C33/02 (15) · CPC B64C33/00 (15) · CPC B64C39/005 (12) · CPC B64B1/58 (10) · CPC B64C2700/6274 (10) · CPC B64B1/62 (9) · CPC B64C39/00 (8) · CPC B64C27/04 (7) · CPC B64C31/04 (6) · CPC B64C2700/6295 (5) · CPC B64C2700/6281 (5) · CPC B64C11/001 (4) · CPC B64C13/00 (4) · CPC B64C17/00 (4) · CPC B64C29/0033 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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