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Patents > Tech fields : balloon or design or lift & Number of diagram pages: 1-2

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Inventor country:
FR (634) · DE (282) · US (139) · GB (106) · HU (65) · AT (58) · CH (24) · IT (22) · RU (19) · BE (18) · RO (16) · CA (12) · AU (12) · SE (10) · None (10) · AH (8) · Poland (8)
Applicant firm:
None (1264) · Jacob Lohner & Co. (9) · British and Colonial Aeroplane Co. (8) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (8) · Aktiebolaget Aviatorer (7) · Siemens-Schuckert Werke GmbH (6) · E. Rumpler Luftfahrzeugbau G.m.b.H. (6) · Allgemeine Elektricitäts-Gesellschaft (5) · Siemens-Schuckert-Werke G.m.b.H. (5) · Daimler Motoren-Gesellschaft (5) · August Riedinger Ballonfabrik Augsburg G.m.b.H. (4) · Motorluftschiff Studiengesellschaft m.b.H (4) · AGO Flugzeugwerke G. m. b. H. (4)
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National tech categories:
FR 6.4 (601) · None (263) · HU V/h (131) · AT 77d (63) · DE 77h.5 (42) · DE 77 (29) · FR 6.3 (24) · FR 6.2 (22) · DK 77 (19) · CH 129b (17) · RU Group V (14) · DE 77h.4 (12) · DE 77h (12) · CH 115 (11) · USPC 244/97 (8) · USPC 244/30 (8) · DE 77h.9 (7)
IPCs:
None (490) · IPC B64C39/00 (128) · IPC B64B1/00 (94) · IPC B64C1/00 (81) · IPC B64C17/00 (76) · IPC B64C3/00 (38) · IPC B64C11/00 (36) · IPC B64C23/00 (35) · IPC B64C35/00 (33) · IPC B64B1/58 (31) · IPC B64C3/38 (26) · IPC B64C3/54 (22) · IPC B64B1/40 (21) · IPC B64C25/00 (19) · IPC B64C13/00 (19) · IPC B64C3/52 (18) · IPC B64C33/02 (18) · IPC B64C3/18 (16) · IPC B64B1/62 (13) · IPC B64C27/04 (12)
First filing:
Citations from after 1930:
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