Drilldown: Patents

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Patents > Office : ?? or DE or IN or US & Tech fields : Propulsion or balloon or subsystem & Patent agent: None & Number of diagram pages: 1-2

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Office: (Click arrow to add another value)
Applicant person:
None (143) · James Means (3) · Richard Czygan (3) · Johann Schütte (3) · Guido Antoni (2) · Louis-Adolphe Hayot (2) · Otto Koch (2) · Ernst Georg August Baumgarten (2) · Joseph Hofmann (2) · Melvin Vaniman (2) · Joseph Allison Steinmetz (2) · Hellmuth Hirth (2) · Ugo Antoni (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (227)
Granted:
Supplementary to patent:
None (238) · Patent DE-1893-73799 (2) · Patent FR-1912-458772 (2)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
DE 77 (54) · None (26) · DE 77h (26) · DE 77h.6 (17) · DE 77h.5 (13) · DE 77h.4 (11) · DE 77h.15 (11) · DE 77h.10 (9) · DE 77h.9 (7) · USPC 244/97 (6) · USPC 244/30 (5) · USPC 244/51 (5) · DE 77h.2 (5) · USPC 244/99 (4) · USPC 244/73R (4) · USPC 244/65 (4) · DE 77h.3 (4)
IPCs:
None (153) · IPC B64B1/00 (18) · IPC B64C33/02 (12) · IPC B64B1/40 (8) · IPC B64C11/00 (7) · IPC B64B1/58 (7) · IPC B64C39/00 (5) · IPC B64B1/62 (5) · IPC B64B1/64 (5) · IPC B64C11/20 (4) · IPC B64B1/06 (4) · IPC B64C11/24 (3) · IPC B64C29/00 (3) · IPC B64C3/00 (3) · IPC B64C33/00 (3) · IPC B64C9/00 (3)
CPCs:
None (67) · CPC B64B1/40 (21) · CPC B64B1/00 (21) · CPC B64B1/58 (12) · CPC B64C33/02 (10) · CPC B64B1/62 (9) · CPC B64B1/64 (8) · CPC B64C23/005 (8) · CPC B64C11/00 (7) · CPC B64C11/006 (6) · CPC B64C9/00 (5) · CPC B64C33/00 (5) · CPC B64C11/001 (4) · CPC B64C3/00 (4) · CPC B64C29/0025 (3) · CPC B64C11/04 (3) · CPC B64C39/005 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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