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 NO-1915-12-15 Carl Alfred Johansson or None & Number of text pages: 1-2

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None (162)
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Patent agent:
None (204) · Armengaud jeune (22) · None (10) · Charles Dony (9) · C. Blétry (5) · Marks & Clerk (5) · Lavoix et Mosès (5) · L. Chassevent (5) · Hippolyte Josse (5) · Munn & Co. (4) · H. Bœttcher fils (4) · E. Blétry (4) · Chassevent (4) · Y. Rabilloud et fils (4) · J. Germain (3) · J. Bonnet-Thirion (3) · Boramé et Julien (3) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (3)
National tech categories:
FR 6.4 (155) · None (39) · HU V/h (32) · AT 77d (23) · DE 77 (21) · FR 6.3 (15) · DE 77h.5 (12) · FR 6.2 (9) · DE 77h.4 (9) · DE 77h (9) · USPC 244/97 (5) · DE 77h.3 (5) · USPC 244/30 (4) · USPC 244/26 (3) · USPC 244/127 (3) · DE 77h.2 (3) · USPC 244/31 (3) · DK 77 (3)
IPCs:
None (148) · IPC B64B1/00 (43) · IPC B64C39/00 (36) · IPC B64C1/00 (17) · IPC B64C17/00 (15) · IPC B64B1/58 (13) · IPC B64C11/00 (12) · IPC B64C3/00 (9) · IPC B64C35/00 (7) · IPC B64B1/40 (7) · IPC B64C23/00 (6) · IPC B64C11/16 (6) · IPC B64C33/02 (5) · IPC B63H1/12 (5) · IPC B64B1/62 (5) · IPC B64C25/00 (4) · IPC B64C13/00 (4) · IPC B64C11/04 (4) · IPC B64C3/38 (4) · IPC B64C3/54 (4)
CPCs:
None (113) · CPC B64B1/00 (45) · CPC B64C39/00 (32) · CPC B64C2700/6295 (24) · CPC B64B1/58 (22) · CPC B64B1/40 (17) · CPC B64C17/00 (17) · CPC B64C3/00 (9) · CPC B64B1/62 (9) · CPC B64C11/006 (8) · CPC B64C11/16 (7) · CPC B64C23/005 (7) · CPC B64C13/00 (6) · CPC B64C11/00 (5)
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