Drilldown: Patents

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Patents > Office : AH or DE or SAX or Other & Applicant is inventor: Yes & Filing date: 1917 & First filing : No or Other & Cites these patents: None

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Year filed:
Office: (Click arrow to add another value)
Inventor country:
Applicant is inventor: (Click arrow to add another value)
Tech fields:
None (257) · airplane (86) · frame (40) · construction (39) · design (37) · stability (31) · control (31) · propellers (28) · wings (23) · propulsion (22) · fuselage (21) · subsystem (21) · LTA (17) · propeller (14) · military (14) · airship (13) · instrument (13) · aerodynamics (12)
Application number:
Granted:
Supplementary to patent:
None (478) · Patent AU-1916-630 (3) · Patent IT-1916-07-14 (3) · Patent US-1916-1289206 (3) · Patent FR-1917-504302 (3) · Patent GB-1916-109146 (3) · Patent DE-1916-10-07 Oscar Gerhardt (2) · Patent US-1917-1257212 (2) · Patent GB-1916-112641 (2) · Patent GB-1916-110419 (2) · Patent DE-1917-02-16 Oscar Gerhardt (2)
Related to aircraft:
Patent agent:
None (337) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (15) · None (13) · Boult, Wade & Tennant (10) · Lavoix et Mosès (9) · M. Zerolo (8) · Marks & Clerk (8) · J. Germain (8) · Dony and Lejeune (5) · Victor J. Evans (5) · Randolph, Jr. (4) · Fritz Isler (4) · Herbert Haddan & Co. (4) · Fred Walsh (3) · Joseph F. O'Brien (3) · Société G. Breton, P. Audy, J. Rousset, A Vergé (3) · Haseltine, Lake & Co. (3) · Munn & Co. (3) · Armengaud jeune (3)
National tech categories:
None (377) · FR 6.4 (62) · HU V/h (22) · DE 77h.5 (21) · AT 77d (8) · CH 129b (5) · AU 90.5 (5) · DK 77 (5) · DE 77h.6 (4) · FR 12.3 (3) · NL 62.15 (2) · DE 77h.4 (2) · FR 5.8 (2) · USPC 244/119 (2) · CA 341/80 (2) · FR 6.2 (2) · FR 6.3 (2) · NL 62 (2) · HU VII/a (2)
IPCs:
None (346) · IPC B64C3/00 (23) · IPC B64C3/18 (22) · IPC B64C17/00 (12) · IPC B64C13/00 (10) · IPC B64C1/06 (10) · IPC B64C1/00 (9) · IPC B64C39/00 (9) · IPC B64C11/00 (9) · IPC B64C13/12 (7) · IPC B64C27/04 (7) · IPC B64C23/00 (6) · IPC B64C35/00 (6) · IPC B64C25/60 (4) · IPC B64C11/04 (4) · IPC B64C3/54 (4) · IPC B64C11/20 (4) · IPC B64B1/00 (4)
First filing: (Click arrow to add another value)
Cites these patents: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

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