Drilldown: Patents

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Patents > Tech fields : balloon or design & Filing date: 1900 - 1999

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Applicant firm:
None (1339) · British and Colonial Aeroplane Co. (10) · Jacob Lohner & Co. (9) · E. Rumpler Luftfahrzeugbau G.m.b.H. (7) · Motorluftschiff Studiengesellschaft m.b.H (7) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (6) · Siemens-Schuckert Werke GmbH (6) · Aktiebolaget Aviatorer (6) · Siemens-Schuckert-Werke G.m.b.H. (5) · Alphonse Tellier et Cie (5) · Daimler Motoren-Gesellschaft (5) · Société anonyme Astra (4) · Allgemeine Elektricitäts-Gesellschaft (4) · Société Anonyme des Établissements Nieuport (4) · AGO Flugzeugwerke G. m. b. H. (4)
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National tech categories:
FR 6.4 (571) · None (331) · HU V/h (131) · BE K (85) · AT 77d (56) · DE 77h.5 (35) · FR 6.3 (26) · FR 6.2 (23) · IT 8 (18) · DK 77 (17) · CH 129b (16) · DE 77h.4 (15) · DE 77h (11) · RU Group V (8) · USPC 244/97 (7) · DE 77h.2 (7) · FR 6.1 (7) · DE 77h.9 (6) · USPC 244/127 (6)
IPCs:
None (616) · IPC B64C39/00 (113) · IPC B64B1/00 (94) · IPC B64C1/00 (86) · IPC B64C17/00 (82) · IPC B64C3/00 (41) · IPC B64C35/00 (40) · IPC B64B1/58 (32) · IPC B64C11/00 (32) · IPC B64C23/00 (29) · IPC B64C3/38 (25) · IPC B64C3/54 (19) · IPC B64B1/40 (19) · IPC B64C33/02 (18) · IPC B64C3/18 (18) · IPC B64C25/00 (17) · IPC B64C13/00 (16) · IPC B64C3/56 (14)
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