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

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Supplementary to patent:
None (231) · Patent AT-1912-75092 (4) · Patent US-1909-970771 (4) · Patent FR-1911-448337 (2) · Patent DE-1913-301564 (2) · Patent FR-1912-450422 (2) · Patent US-1910-1055379 (2) · Patent FR-1913-472867 (2) · Patent AU-1914-14892 (2) · Patent GB-1913-4191 (2) · Patent GB-1911-2636 (2) · Patent IT-1915-148941 (2) · Patent DE-1909-06-09 Romeo Wankmüller (2)
Related to aircraft:
Patent agent:
None (105) · Marks & Clerk (21) · Haseltine, Lake & Co. (15) · Boult, Wade & Tennant (11) · Abel & Imray (8) · W. P. Thompson & Co. (8) · None (6) · Herbert Haddan & Co. (5) · Wheatley & Mackenzie (5) · Boult, Wade, and Tennant (5) · Victor J. Evans (4) · Brierley & Howard (4) · Brewer & Son (4) · Edward Evans & Co. (4) · Hy. Fairbrother (4)
National tech categories:
None (219) · DK 77 (11) · USPC 244/22 (8) · GB 4 propel & steer (6) · GB 4 without buoyant (5) · GB 4 with buoyant (4) · USPC 244/25 (4) · USPC 244/127 (4) · USPC 244/125 (4) · USPC 244/72 (4) · USPC 244/80 (4) · USPC 244/96 (4) · USPC 244/35R (3) · USPC 244/47 (3) · USPC 244/50 (3) · USPC 244/52 (3) · USPC 244/46 (3) · USPC 244/233 (3) · GB 4 aëroplanes (3) · GB 4 (3)
IPCs:
None (164) · IPC B64B1/00 (27) · IPC B64C39/00 (20) · IPC B64C3/00 (18) · IPC B64C13/00 (9) · IPC B64C3/38 (7) · IPC B64C33/00 (7) · IPC B64C33/02 (6) · IPC B64C1/00 (6) · IPC B64C17/00 (6) · IPC B64B1/58 (6) · IPC B64C3/56 (5) · IPC B64C23/00 (5) · IPC B64C35/00 (5) · IPC B64C11/00 (5)
CPCs:
None (61) · CPC B64B1/00 (37) · CPC B64C13/00 (21) · CPC B64C3/00 (19) · CPC B64C2700/6295 (16) · CPC B64C33/02 (15) · CPC B64C39/00 (14) · CPC B64C2700/6233 (12) · CPC B64C17/00 (11) · CPC B64C23/005 (11) · CPC B64C2700/6256 (10) · CPC B64C33/00 (8) · CPC B64C3/56 (7) · CPC B64C3/385 (7) · CPC B64C3/14 (7) · CPC B64B1/40 (7) · CPC B64B1/58 (6) · CPC B64B1/62 (6)
First filing:
Citations from after 1930:

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