Drilldown: Patents

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Patents > Applicant firm : A. Wunderlich & Cie, Ingénieurs-Conseils or Motorluftschiff Studiengesellschaft m.b.H or Vickers or None & Tech fields : balloon or design or pressure & Supplementary to patent : Patent GB-1908-4519 or Patent NO-1915-12-15 Carl Alfred Johansson or None & Patent agent: None

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None (386)
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National tech categories:
None (159) · HU V/h (63) · FR 6.4 (57) · DE 77 (31) · FR 5 (28) · AT 77d (28) · FR 6.3 (20) · BE K (17) · DE 77h.5 (14) · DE 77h (10) · DE 77h.4 (10) · GB 4 with buoyant (8) · USPC 244/97 (7) · GB 4 aërostats (6) · DE 77h.3 (6) · USPC 244/25 (6) · IT 8 (6) · USPC 244/30 (6) · USPC 244/31 (5)
IPCs:
None (425) · IPC B64B1/00 (24) · IPC B64C39/00 (19) · IPC B64C1/00 (17) · IPC B64C17/00 (16) · IPC B64B1/40 (8) · IPC B64B1/62 (6) · IPC B64C11/00 (6) · IPC B64C23/00 (5) · IPC B64C33/02 (4) · IPC B64C3/00 (4) · IPC B64B1/58 (4) · IPC B64C33/00 (3) · IPC B64B (3) · IPC B64C3/54 (3) · IPC B64C11/16 (3)
CPCs:
None (376) · CPC B64B1/00 (33) · CPC B64B1/40 (22) · CPC B64C39/00 (18) · CPC B64C17/00 (18) · CPC B64B1/58 (14) · CPC B64C2700/6295 (13) · CPC B64B1/62 (12) · CPC B64C2700/6218 (9) · CPC B64C13/00 (7) · CPC B64C23/005 (5) · CPC B64C33/00 (5) · CPC B64C2700/6219 (4) · CPC B64C39/008 (4) · CPC B64C3/00 (4) · CPC B64C11/16 (3) · CPC B64C11/006 (3) · CPC B64C11/00 (3)
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