Drilldown: Patents

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Patents > Assigned to: None & CPCs : CPC E04H15/20 or None

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Inventor country:
None (2093) · FR (1046) · DE (852) · US (472) · GB (352) · AT (204) · BE (177) · HU (173) · IT (130) · CH (89) · RU (73) · AU (45) · AH (35) · ES (32) · CA (30) · SE (28) · NZ (23) · MX (22) · NL (22) · Prussia (20)
Applicant firm:
None (5478) · Jacob Lohner & Co. (37) · A. Wunderlich & Cie, Ingénieurs-Conseils (36) · Luft-Verkehrs-Gesellschaft m.b.H. (21) · Aktiebolaget Aviatorer (18) · Motorluftschiff Studiengesellschaft m.b.H (17) · Luftschiffbau Schütte-Lanz (16) · Luft Fahrzeug G.m.b.H. (13) · Siemens-Schuckert Werke GmbH (11) · Daimler Motoren-Gesellschaft (10) · Gothaer Waggonfabrik A. G. (7) · Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz (7) · AGO Flugzeugwerke G. m. b. H. (7) · Société Antoinette (6) · August Riedinger Ballonfabrik Augsburg G.m.b.H. (6) · Österreichische Daimler Motoren A. G. (6) · Allgemeine Elektricitäts-Gesellschaft (6)
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IPCs:
None (5729) · IPC B64C5/04 (17) · IPC B64B (8) · IPC B64C33/02 (6) · IPC B64F1/06 (5) · 1 (5) · IPC B64C11/16 (5) · IPC B64B1/58 (5) · IPC B64B1/00 (5) · IPC B64C9/00 (4) · IPC B64C3/00 (4) · IPC B64C3/38 (3) · IPC B64C19/00 (3) · IPC B64C39/00 (3) · IPC B64B1/40 (3) · IPC B64B1/06 (3) · IPC F42B10/30 (3)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
None (5858) · 0 (7) · Patent GB-1914-23502 (2) · Patent GB-1901-346 (2) · Patent FR-1910-424987 (2) · Patent FR-1909-411204 (2)
Citations from after 1930:
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