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Patents > Tech fields : Control or design

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Inventor country:
FR (331) · DE (279) · US (236) · GB (216) · AT (75) · HU (63) · BE (62) · None (37) · IT (35) · CH (34) · AU (18) · RU (18) · CA (17) · RO (16) · NZ (10) · DK (9)
Applicant firm:
None (1287) · Jacob Lohner & Co. (12) · British and Colonial Aeroplane Co. (11) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (8) · E. Rumpler Luftfahrzeugbau G.m.b.H. (7) · Curtiss Aeroplane (7) · Aktiebolaget Aviatorer (6) · Blackburn Aeroplane and Motor Co. (5) · Daimler Motoren-Gesellschaft (5) · Luft Fahrzeug G.m.b.H. (4) · Allgemeine Elektricitäts-Gesellschaft (4) · AGO Flugzeugwerke G. m. b. H. (4) · Tarbox Safety Aircraft Company (4) · Deutsche Flugzeug-Werke G. m. b. H. (4) · Motorluftschiff Studiengesellschaft m.b.H (4)
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National tech categories:
None (438) · FR 6.4 (318) · HU V/h (157) · BE K (76) · DE 77h.5 (65) · AT 77d (60) · CH 129b (19) · DK 77 (19) · FR 6.3 (17) · DE 77 (15) · IT 8 (13) · USPC 244/233 (11) · FR 6.2 (11) · DE 77h (10) · USPC 244/90R (10) · USPC 244/80 (10) · RU Group V (9) · USPC 244/45R (7) · DE 77h.9 (7) · USPC 244/234 (7)
IPCs:
None (721) · IPC B64C39/00 (89) · IPC B64C17/00 (78) · IPC B64C13/00 (66) · IPC B64C1/00 (62) · IPC B64B1/00 (30) · IPC B64C3/38 (30) · IPC B64C3/00 (29) · IPC B64C23/00 (27) · IPC B64C3/54 (23) · IPC B64C35/00 (21) · IPC B64C33/02 (18) · IPC B64C11/00 (16) · IPC B64C3/18 (13) · IPC B64C13/12 (13) · IPC CPC B64C13/00 (13) · IPC B64C33/00 (13) · IPC B64B1/58 (12) · IPC B64C13/04 (11)
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