Drilldown: Patents

Jump to navigation Jump to search
Patents > Tech fields : Airship or propellers & Supplementary to patent : Patent US-1909-970771 or None & Patent agent: None

Use the filters below to narrow your results.

Office:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (184)
Granted:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
HU V/h (93) · None (91) · AT 77d (29) · FR 6.4 (28) · FR 6.3 (18) · DE 77 (16) · BE K (15) · DE 77h.6 (7) · DE 77h.4 (6) · NL 62 (4) · FR 6.2 (4) · FR 5 (3) · DK 77 (3) · DE 77h.15 (3) · DE 77h.2 (3)
IPCs:
None (283) · IPC B64B1/00 (16) · IPC B64C11/00 (10) · IPC B64C39/00 (7) · IPC B64C11/20 (6) · IPC B64B1/58 (5) · IPC B64C11/04 (4) · IPC B64B1/22 (4) · IPC B63H1/12 (3) · IPC B64C11/16 (3) · IPC B64C33/02 (3) · IPC B64B1/40 (3) · IPC B64C11/24 (2) · IPC B64C27/04 (2) · IPC B64C27/28 (2) · IPC B64C1/00 (2) · IPC B64C17/00 (2) · IPC B64C23/00 (2)
CPCs:
None (226) · CPC B64B1/00 (23) · CPC B64C39/00 (6) · CPC B64C23/005 (6) · CPC B64C13/00 (6) · CPC B64B1/58 (6) · CPC B64C11/20 (5) · CPC B64C11/006 (5) · CPC B64C11/00 (5) · CPC B64C33/02 (5) · CPC B64C11/04 (4) · CPC B64C11/343 (4) · CPC B64C2700/6295 (4) · CPC B64B1/40 (4) · CPC B64C11/16 (4) · CPC B63H1/12 (4) · CPC B64C11/48 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

Showing below up to 250 results in range #1 to #250.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)

P


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)