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Patents > Office : DE or DK or GB or JP or US & Tech fields : Airship or wings

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None (308) · Patent AT-1912-75092 (4) · Patent US-1909-970771 (4) · Patent FR-1912-450422 (3) · Patent GB-1911-2636 (2) · Patent GB-1913-4191 (2) · Patent DE-1909-06-09 Romeo Wankmüller (2) · Patent FR-1917-493342 (2) · Patent IT-1913- (2) · Patent IT-1914- (2) · Patent IT-1915-148941 (2) · Patent DE-1921-384750 (2) · Patent FR-1913-472867 (2) · Patent DE-1913-301564 (2) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (2) · Patent AU-1914-14892 (2) · Patent FR-1912-449167 (2) · Patent US-1910-1055379 (2) · Patent FR-1911-448337 (2) · Patent BE-1910-230887 (2)
Related to aircraft:
Patent agent:
None (204) · Marks & Clerk (21) · Haseltine, Lake & Co. (15) · Boult, Wade & Tennant (11) · Abel & Imray (8) · W. P. Thompson & Co. (8) · None (7) · Herbert Haddan & Co. (5) · Wheatley & Mackenzie (5) · Boult, Wade, and Tennant (5) · Edward Evans & Co. (4) · Victor J. Evans (4) · Brierley & Howard (4) · Brewer & Son (4) · Hy. Fairbrother (4)
National tech categories:
None (228) · DE 77h.5 (32) · DE 77 (18) · DK 77 (11) · DE 77h.7 (10) · USPC 244/22 (8) · DE 77h (8) · DE 77h.2 (6) · GB 4 propel & steer (6) · DE 77h.4 (6) · GB 4 without buoyant (5) · DE 77h.15 (4) · DE 77h.10 (4) · USPC 244/25 (4) · USPC 244/72 (4) · USPC 244/127 (4) · USPC 244/125 (4) · USPC 244/80 (4) · GB 4 with buoyant (4) · USPC 244/96 (4)
IPCs:
None (196) · IPC B64B1/00 (34) · IPC B64C3/00 (27) · IPC B64C39/00 (25) · IPC B64C33/02 (13) · IPC B64C13/00 (12) · IPC B64C3/38 (11) · IPC B64B1/58 (9) · IPC B64C33/00 (8) · IPC B64C3/56 (8) · IPC B64C1/00 (8) · IPC B64C17/00 (8) · IPC B64C23/00 (7) · IPC B64C11/00 (6) · IPC B64C35/00 (5) · IPC B64C3/14 (4) · IPC B64B1/22 (4) · IPC B64C3/52 (4) · IPC B64C3/54 (4) · IPC B64C1/26 (4)
CPCs:
None (80) · CPC B64B1/00 (47) · CPC B64C3/00 (30) · CPC B64C33/02 (24) · CPC B64C13/00 (24) · CPC B64C2700/6233 (17) · CPC B64C39/00 (16) · CPC B64C2700/6295 (16) · CPC B64C23/005 (13) · CPC B64C17/00 (13) · CPC B64B1/58 (11) · CPC B64C33/00 (10) · CPC B64C3/56 (10) · CPC B64C2700/6256 (10) · CPC B64C3/385 (9) · CPC B64C3/14 (9) · CPC B64B1/40 (8) · CPC B64B1/62 (6) · CPC B64C2700/6235 (6)
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Citations from after 1930:

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