Drilldown: Patents

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Patents > Tech fields : balloon or design & Patent agent: None

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Applicant firm:
None (831) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (8) · Jacob Lohner & Co. (7) · Siemens-Schuckert Werke GmbH (5) · Motorluftschiff Studiengesellschaft m.b.H (5) · Aktiebolaget Aviatorer (4) · Allgemeine Elektricitäts-Gesellschaft (4) · Daimler Motoren-Gesellschaft (4) · Gesellschaft für Ausführung freitragender Dachkonstrukcionen in Holz System Stephan G. m. b. H. (3) · Westinghouse Electric & Manufacturing Company (3) · Luft Fahrzeug G.m.b.H. (3) · Luftschiffbau Schütte-Lanz (3) · AGO Flugzeugwerke G. m. b. H. (3)
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National tech categories:
None (215) · HU V/h (136) · FR 6.4 (100) · AT 77d (58) · DE 77h.5 (37) · DE 77 (34) · FR 6.3 (29) · FR 5 (28) · IT 8 (22) · BE K (21) · DK 77 (19) · DE 77h.4 (15) · DE 77h (13) · RU Group V (11) · GB 4 with buoyant (11) · GB 4 aërostats (10) · USPC 244/30 (10) · USPC 244/97 (8) · FR 6.2 (8)
IPCs:
None (664) · IPC B64B1/00 (38) · IPC B64C1/00 (33) · IPC B64C17/00 (30) · IPC B64C39/00 (27) · IPC B64C3/00 (11) · IPC B64B1/40 (11) · IPC B64B1/58 (10) · IPC B64C11/00 (8) · IPC B64C23/00 (7) · IPC B64B1/62 (6) · IPC B64C33/02 (6) · IPC B64C35/00 (6) · IPC B64C3/18 (5) · IPC B64B (5)
CPCs:
None (596) · CPC B64B1/00 (50) · CPC B64C17/00 (34) · CPC B64B1/40 (28) · CPC B64C39/00 (26) · CPC B64B1/58 (23) · CPC B64C2700/6295 (22) · CPC B64C2700/6218 (16) · CPC B64B1/62 (11) · CPC B64C3/00 (11) · CPC B64C13/00 (11) · CPC B64C23/005 (9) · CPC B64C2700/6219 (7) · CPC B64C35/00 (7) · CPC B64C2700/6235 (6) · CPC B64C3/18 (5) · CPC B64C11/16 (5) · CPC B64C11/00 (5) · CPC B64C3/14 (5)
First filing:
Citations from after 1930:
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