Drilldown: Patents

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Patents > Applicant firm: None & Family year: 1909 & Number of claims: 2-4

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None (352) · Seine (4) · Yorkshire (3) · Nord (3) · Paris (3) · Budapest (3) · Douai (2) · PA (2) · Pittsburgh (2) · Seine-et-Oise (2) · Allegheny county, Pennsylvania (2)
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Tech fields:
airplane (132) · stability (74) · Frame (71) · design (71) · LTA (56) · None (53) · propellers (49) · propulsion (49) · Construction (47) · control (44) · Subsystem (35) · Rudder (34) · Wings (34) · navigation (34) · propeller (30) · Lift (30) · Whole (25) · automatic stability (22) · aerodynamics (21)
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Supplementary to patent:
None (248) · Patent FR-1909-403985 (5) · Patent US-1909-970771 (4) · Patent GB-1909-2111 (4) · Patent FR-1909-410140 (3) · Patent AT-1909-49294 (3) · Patent FR-1909-402649 (3) · Patent DE-1909-226609 (3) · Patent DE-1909-02-25 Hugo Erdmann (3) · Patent FR-1909-408057 (3) · Patent FR-1909-408197 (3)
Related to aircraft:
Patent agent:
None (97) · Armengaud jeune (25) · Marks & Clerk (18) · Boult, Wade & Tennant (12) · None (9) · Herbert Haddan & Co. (8) · Schwab (8) · E. Blétry (8) · Lavoix et Mosès (6) · Charles Dony (6) · Johnsons & Willcox (5) · Haseltine, Lake & Co. (5) · Abel & Imray (4) · Cassell & Co. (4) · Hippolyte Josse (4) · L. Chassevent (4) · G. de Mestral et F. Harlé (4)
National tech categories:
None (144) · FR 6.4 (102) · HU V/h (24) · AT 77d (10) · FR 6.2 (5) · USPC 244/65 (4) · USPC 244/17.15 (4) · USPC 244/6 (3) · DK 77 (3) · USPC 244/17.21 (3) · DE 77h.11 (3) · USPC 244/70 (3)
IPCs:
None (120) · IPC B64C39/00 (31) · IPC B64C17/00 (28) · IPC B64C1/00 (22) · IPC B64B1/00 (14) · IPC B64C3/38 (13) · IPC B64C13/00 (12) · IPC B64C11/00 (9) · IPC B64C3/00 (8) · IPC B64B1/58 (8) · IPC B64C23/00 (8) · IPC B64C35/00 (8) · IPC B64B1/62 (6) · IPC B64C25/00 (6) · IPC B64C27/04 (6) · IPC B64C31/06 (6) · IPC B63H1/12 (5) · IPC B64C13/04 (5) · IPC B64C33/00 (5)
CPCs:
None (58) · CPC B64C17/00 (31) · CPC B64C39/00 (21) · CPC B64C13/00 (18) · CPC B64C2700/6295 (18) · CPC B64C23/005 (15) · CPC B64B1/00 (15) · CPC B64C3/385 (13) · CPC B64C2700/6218 (11) · CPC B64C33/02 (10) · CPC B64B1/58 (9) · CPC B64C11/006 (8) · CPC B64C2700/6212 (8) · CPC B64C2700/6256 (8) · CPC B64C3/56 (7) · CPC B64C35/00 (7) · CPC B64C3/00 (7) · CPC B64C39/005 (7)
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