Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Applicant firm: None & Applicant type : INDIV or INIV

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Tech fields:
None (219) · airplane (110) · design (58) · propellers (57) · wings (52) · frame (49) · Construction (42) · aerodynamics (33) · propulsion (32) · subsystem (32) · control (31) · stability (28) · propeller (27) · motors (17) · fuselage (15) · chassis (15) · lift (14) · LTA (13) · helicopter (13)
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Supplementary to patent:
None (449) · Patent FR-1916-501550 (8) · Patent US-1918-1589780 (3) · Patent FR-1916-502839 (3) · Patent FR-1917-504302 (3) · Patent DE-1917-305040 (3) · Patent CA-1918-196108 (2) · Patent FR-1915-502520 (2) · Patent FR-1915-525800 (2) · Patent FR-1917-493342 (2) · Patent DE-1921-384750 (2) · Patent DE-1917-323641 (2) · Patent GB-1917-126391 (2) · Patent GB-1917-126674 (2) · Patent DE-1915-300200 (2) · Patent DE-1916-332540 (2)
Related to aircraft:
Patent agent:
None (358) · None (22) · Armengaud jeune (10) · M. Zerolo (7) · J. Germain (7) · Marks & Clerk (6) · Munn & Co. (5) · Dony and Lejeune (5) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (5) · Joseph F. O'Brien (4) · Weismann et Marx (4) · Fritz Isler (4) · Paul Blum (4) · Hippolyte Josse (3) · Lavoix et Mosès‎ (3) · Émile Bert (3) · E. Wattier (3) · Dom. Casalonga (3)
National tech categories:
None (285) · FR 6.4 (91) · DE 77h.5 (31) · HU V/h (23) · DE 77h.6 (16) · FR 12.2 (10) · AT 77d (8) · NL 62 (8) · DE 77h.9 (7) · CH 129b (6) · DE 77h.7 (6) · FR 5.8 (4) · NL 62.7 (3) · NL 62.6 (3) · FR 6.2 (3) · DE 77h.2 (3)
IPCs:
None (246) · IPC B64C3/00 (27) · IPC B64C17/00 (17) · IPC B64C13/00 (16) · IPC B64C11/00 (14) · IPC B64C1/00 (12) · IPC B64C39/00 (12) · IPC B64C23/00 (11) · IPC B64C3/18 (11) · IPC B64C35/00 (10) · IPC B64C25/00 (10) · IPC G01S1/72 (10) · IPC B64C3/56 (9) · IPC B64C1/06 (9) · IPC B64C11/20 (9) · IPC B64C3/38 (7) · IPC B64C11/04 (6) · IPC B64C11/16 (6) · IPC B64C27/04 (6)
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