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Patents > Office: DE & Applicant is inventor: Yes & Citations from after 1930: None & Number of text pages: 2-20

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Office: (Click arrow to add another value)
Applicant is inventor: (Click arrow to add another value)
Tech fields:
LTA (107) · airplane (99) · frame (95) · propulsion (72) · design (51) · propeller (50) · navigation (45) · wings (45) · None (43) · control (41) · subsystem (38) · balloon (35) · stability (32) · Construction (27) · airship (23) · car (23) · flapping (22) · whole (22) · Tragfläche (21) · gas (18)
Full specification filed date:
Application number:
None (393)
Granted:
Supplementary to patent:
None (374) · Patent DE-1904-173378 (3) · Patent DE-1921-384750 (2) · Patent FR-1912-455471 (2) · Patent DE-1918-388537 (2) · Patent DE-1908-227242 (2) · Patent US-1913-04-21 George Raymond Lawrence (2)
Related to aircraft:
Assigned to:
National tech categories:
DE 77h.5 (125) · DE 77 (96) · DE 77h (47) · DE 77h.6 (41) · DE 77h.9 (24) · DE 77h.10 (20) · DE 77h.4 (19) · None (17) · DE 77h.15 (16) · DE 77h.7 (15) · DE 77h.2 (12) · DE 77h.11 (6) · DE 62b (6) · DE 37f.8 (5) · DE 77h.3 (4) · DE 62b.15 (3) · DE 77h Group 5 (3) · DE 77h.12 (3) · DE 13 (3)
IPCs:
None (167) · IPC B64C33/02 (28) · IPC B64C3/00 (19) · IPC B64C39/00 (18) · IPC B64C13/00 (15) · IPC B64C35/00 (14) · IPC B64B1/58 (12) · IPC B64C1/00 (12) · IPC B64B1/00 (11) · IPC B64C17/00 (10) · IPC B64B1/06 (8) · IPC B64C25/00 (7) · IPC B64B1/40 (7) · IPC B64C3/38 (7) · IPC B64C3/18 (7) · IPC B64C11/00 (7) · IPC B64C23/00 (5) · IPC B64C9/02 (5)
CPCs:
None (134) · CPC B64C33/02 (26) · CPC B64C13/00 (21) · CPC B64C3/00 (20) · CPC B64B1/58 (17) · CPC B64C17/00 (16) · CPC B64B1/00 (16) · CPC B64C35/00 (13) · CPC B64B1/40 (10) · CPC B64C2700/6235 (9) · CPC B64C3/385 (8) · CPC B64C33/00 (8) · CPC B64C23/005 (8) · CPC B64C39/00 (7) · CPC B64C25/06 (6) · CPC B64C2700/6281 (6) · CPC B64F2700/6226 (5) · CPC B64C9/02 (5)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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