Drilldown: Patents

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Patents > Applicant type: INDIV & Tech fields : Airship or propellers & Grant date: 1900 - 1999

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Patent agent:
None (366) · Armengaud jeune (41) · None (24) · Boult, Wade & Tennant (18) · Marks & Clerk (17) · Lavoix et Mosès (14) · J. Bonnet-Thirion (13) · G. de Mestral et F. Harlé (13) · E. Blétry (11) · Schwab (10) · Weismann et Marx (10) · de Bongé (9) · Boramé et Julien (8) · Hippolyte Josse (8) · Haseltine, Lake & Co. (8) · L. Chassevent (8)
National tech categories:
FR 6.4 (301) · None (243) · HU V/h (117) · FR 6.2 (47) · AT 77d (36) · FR 6.3 (22) · BE K (9) · CH 129b (7) · DE 77h.6 (7) · DK 77 (6) · USPC 244/125 (5) · FR 5.8 (4) · USPC 244/65 (4) · FR 6.1 (4) · USPC 244/50 (4)
IPCs:
None (355) · IPC B64C11/00 (64) · IPC B64C39/00 (63) · IPC B64B1/00 (52) · IPC B64C23/00 (25) · IPC B64C11/16 (22) · IPC B64C27/04 (21) · IPC B64C11/04 (20) · IPC B63H1/12 (20) · IPC B64C1/00 (19) · IPC B64C11/20 (18) · IPC B64C17/00 (17) · IPC B64B1/58 (15) · IPC B64C11/36 (11) · IPC B64C33/02 (10) · IPC B64C35/00 (8) · IPC B64D27/00 (8)
CPCs:
None (271) · CPC B64B1/00 (59) · CPC B64C39/00 (46) · CPC B64C11/006 (42) · CPC B64C23/005 (31) · CPC B64C2700/6295 (29) · CPC B64C11/16 (26) · CPC B64C2700/6274 (25) · CPC B64C17/00 (20) · CPC B64C11/04 (20) · CPC B64C11/00 (17) · CPC B64C2700/6281 (16) · CPC B64C13/00 (15) · CPC B64B1/58 (15) · CPC B63H1/26 (14) · CPC B64C27/04 (13) · CPC B64C11/36 (12) · CPC B64C33/02 (12) · CPC B64C11/20 (11) · CPC B64C2700/6218 (11)
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Citations from after 1930:
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