Drilldown: Patents

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Patents > Tech fields : balloon or stability & Family year: 1900 - 1999 & First filing: No

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Patent agent:
None (201) · Armengaud jeune (35) · Marks & Clerk (15) · Haseltine, Lake & Co. (14) · E. Blétry (11) · Abel & Imray‎ (11) · J. Germain (9) · Lavoix et Mosès (8) · Chassevent (8) · Schwab (8) · None (8) · Charles Dony (7) · H. Boettcher fils (7) · Hippolyte Josse (7) · Brandon freres (6) · J. Bonnet-Thirion (6) · Herbert Haddan & Co. (5)
National tech categories:
FR 6.4 (263) · None (131) · HU V/h (30) · FR 6.3 (20) · BE K (18) · AT 77d (15) · RU Group V (9) · DK 77 (8) · IT 8 (6) · CH 129b (6) · DE 77h.5 (5) · USPC 244/78.1 (3) · USPC 244/79 (3) · AU 90.3 (3) · DE 77h (3) · FR 6.2 (3)
IPCs:
None (211) · IPC B64C17/00 (138) · IPC B64C1/00 (107) · IPC B64B1/00 (40) · IPC B64C17/06 (23) · IPC B64C39/00 (20) · IPC B64B1/40 (13) · IPC B64C3/38 (11) · IPC B64B1/58 (11) · IPC B64C13/00 (6) · IPC B64C33/00 (6) · IPC B64C3/54 (5) · IPC B64C31/06 (5) · IPC B64C33/02 (4) · IPC B64C25/00 (4) · IPC B64C23/00 (3) · IPC B64C11/00 (3) · CPC B64C17/00 (3) · IPC B64C3/14 (3)
CPCs:
CPC B64C17/00 (152) · None (148) · CPC B64C2700/6218 (58) · CPC B64B1/00 (42) · CPC B64C2700/6214 (28) · CPC B64C2700/6212 (27) · CPC B64C17/06 (26) · CPC B64C2700/6216 (23) · CPC B64C39/00 (21) · CPC B64C2700/6295 (20) · CPC B64C13/00 (15) · CPC B64B1/40 (12) · CPC B64B1/58 (12) · CPC B64C3/385 (11) · CPC B64C1/00 (9) · CPC B64C2700/6219 (9) · CPC B64C2700/6256 (8) · CPC B64C2700/6228 (7) · CPC B64C23/005 (7) · CPC A63H27/08 (7)
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