Drilldown: Patents

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Patents > Office : BE or DE & Tech fields : Propulsion or motors or stability

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Office: (Click arrow to add another value)
Applicant person:
None (82) · Alfred E. Wunderlich (3) · Richard Czygan (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Supplementary to patent:
None (197) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent DE-1893-73799 (2) · Patent FR-1900-299924 (2) · Patent FR-1911-426626 (2) · Patent FR-1911-430455 (2) · Patent BE-1910-225558 (2)
Related to aircraft:
Assigned to:
IPCs:
None (178) · IPC B64C33/02 (9) · IPC B64C17/00 (7) · IPC B64C11/00 (6) · IPC B64B1/00 (5) · IPC B64C39/00 (5) · IPC B64C1/00 (5) · IPC B64B1/58 (3) · IPC F01L1/42 (2) · IPC B64D27/00 (2) · IPC B64C3/00 (2) · IPC B64C27/08 (2) · IPC B64C11/16 (2) · IPC B64B1/40 (2) · IPC B64B1/12 (2) · IPC B64B1/06 (2) · IPC B64C17/04 (2) · IPC A63H27/127 (2)
CPCs:
None (158) · CPC B64C17/00 (14) · CPC B64C33/02 (8) · CPC B64B1/00 (8) · CPC B64C11/006 (8) · CPC B64C11/00 (4) · CPC B64C33/00 (3) · CPC B64C2700/6281 (3) · CPC B64C23/005 (3) · CPC B64B1/58 (3) · CPC B64B1/62 (3) · CPC B64C13/00 (3) · CPC B64C2700/6218 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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