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Patents > Supplementary to patent : Patent FR-1909-409319 or None & Patent agent : Dupont et Elluin or None & Number of text pages: 2

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Inventor country:
DE (402) · US (182) · FR (162) · AT (80) · HU (78) · GB (48) · None (24) · AH (15) · IT (11) · Poland (11) · Prussia (10) · NL (10) · CH (10) · RU (9) · AU (5) · DK (5) · CA (4)
Applicant firm:
None (843) · Jacob Lohner & Co. (23) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (15) · Luftschiffbau Schütte-Lanz (11) · Luft-Verkehrs-Gesellschaft m.b.H. (8) · E. Rumpler Luftfahrzeugbau G.m.b.H. (5) · Motorluftschiff Studiengesellschaft m.b.H (5) · Moteurs Salmson (5) · Mercur Flugzeugbau (5) · Luft Fahrzeug G.m.b.H. (5) · Zeppelin-Werke G.m.b.H. (4) · Siemens-Schuckert Werke GmbH (4) · Allgemeine Elektricitäts-Gesellschaft (4) · Rumpler-Werke A.-G. in Berlin-Johannisthal (3) · Luftschiffbau Zeppelin (3) · Gothaer Waggonfabrik A. G. (3) · Gesellschaft für Ausführung freitragender Dachkonstrukcionen in Holz System Stephan G. m. b. H. (3) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (3)
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Assigned to:
None (992) · Moteurs Salmson (5) · Westinghouse Electric & Manufacturing Company (2)
IPCs:
None (548) · IPC B64C39/00 (34) · IPC B64C3/00 (34) · IPC B64B1/00 (30) · IPC B64C11/00 (23) · IPC B64C1/00 (20) · IPC B64C33/02 (18) · IPC B64B1/58 (16) · IPC B64C13/00 (13) · IPC B64C17/00 (12) · IPC B64C3/18 (12) · IPC B64C3/38 (11) · IPC B64C35/00 (10) · IPC B64C11/20 (8) · IPC B64C31/06 (8) · IPC B64B1/40 (8) · IPC B64C25/00 (8)
First filing:
Citations from after 1930:
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