Drilldown: Patents

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Patents > Filing date: 1900 - 1999 & Number of text pages: 2 & Number of claims: 3-4

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Applicant firm:
None (759) · Jacob Lohner & Co. (13) · Luft-Verkehrs-Gesellschaft m.b.H. (7) · Luft Fahrzeug G.m.b.H. (5) · E. Rumpler Luftfahrzeugbau G.m.b.H. (5) · Gothaer Waggonfabrik A. G.‎ (5) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · AGO Flugzeugwerke G. m. b. H. (4) · Blackburn Aeroplane and Motor Co. (3) · British and Colonial Aeroplane Co. (3)
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National tech categories:
None (277) · FR 6.4 (203) · HU V/h (70) · AT 77d (53) · DE 77h.5 (33) · FR 6.3 (10) · DK 77 (9) · DE 77h.15 (9) · FR 6.2 (8) · DE 77h.7 (7) · DE 77h.4 (7) · DE 77h (6) · USPC 244/22 (6) · USPC 244/6 (5) · USPC 244/231 (5)
IPCs:
None (353) · IPC B64C39/00 (50) · IPC B64C3/00 (43) · IPC B64B1/00 (35) · IPC B64C1/00 (34) · IPC B64C11/00 (25) · IPC B64C13/00 (22) · IPC B64C17/00 (21) · IPC B64C35/00 (21) · IPC B64C25/00 (19) · IPC B64C3/38 (17) · IPC B64B1/58 (15) · IPC B64C23/00 (13) · IPC B64C3/18 (13) · IPC B64C27/04 (9) · IPC B64C33/00 (9) · IPC B64C3/56 (7)
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Citations from after 1930:
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