Drilldown: Patents

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Patents > Office : DE or Other & Applicant firm: None & Filing date: 1917 & First filing : No or Other & Cites these patents: None

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Tech fields:
None (344) · airplane (69) · design (32) · frame (32) · construction (30) · control (29) · stability (27) · propellers (27) · propulsion (22) · wings (20) · subsystem (20) · LTA (16) · instrument (15) · fuselage (14) · military (13) · Airship (13) · propeller (13) · aerodynamics (12) · marine (11)
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Supplementary to patent:
None (542) · Patent IT-1916-07-14 (3) · Patent AU-1916-630 (3) · Patent US-1916-1289206 (3) · Patent FR-1917-504302 (3) · Patent HU-1917-73345 (2) · Patent US-1917-1257212 (2) · Patent DE-1917-300978 (2) · Patent HU-1917-77280 (2) · Patent GB-1916-112641 (2) · Patent DE-1916-10-07 Oscar Gerhardt (2) · Patent DE-1917-02-16 Oscar Gerhardt (2)
Related to aircraft:
Patent agent:
None (412) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (15) · None (12) · Boult, Wade & Tennant (9) · J. Germain (8) · Lavoix et Mosès (8) · M. Zerolo (8) · Marks & Clerk (8) · Victor J. Evans (5) · Dony and Lejeune (5) · Herbert Haddan & Co. (4) · Fritz Isler (4) · Randolph, Jr. (4) · Munn & Co. (3) · Haseltine, Lake & Co. (3) · Armengaud jeune (3) · Société G. Breton, P. Audy, J. Rousset, A Vergé (3) · Joseph F. O'Brien (3)
National tech categories:
None (456) · FR 6.4 (59) · HU V/h (21) · DE 77h.5 (11) · AT 77d (7) · CH 129b (5) · DK 77 (5) · FR 12.3 (4) · AU 90.5 (3) · DE 42k.18 (3) · DE 77h.6 (3) · USPC 244/6 (2) · NL 62.15 (2) · NL 62 (2) · HU VII/a (2) · FR 6.3 (2) · FR 6.2 (2) · FR 5.8 (2) · USPC 244/119 (2)
IPCs:
None (429) · IPC B64C3/18 (20) · IPC B64C3/00 (20) · IPC B64C1/06 (10) · IPC B64C17/00 (10) · IPC B64C39/00 (9) · IPC B64C13/00 (9) · IPC B64C11/00 (9) · IPC B64C1/00 (7) · IPC B64C27/04 (7) · IPC B64C23/00 (6) · IPC B64C11/04 (4) · IPC B64C11/20 (4) · IPC B64B1/00 (4) · IPC B64C25/60 (4) · IPC B64C35/00 (4)
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