Drilldown: Patents

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Patents > Tech fields : construction or hybrid or lift or navigation & Grant date: 1900 - 1999 & Supplementary to patent : Patent FR-1909-420322 or None & Assigned to : Moteurs Salmson or Westinghouse Air Spring Company or None

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Inventor country:
FR (414) · US (311) · GB (141) · DE (133) · HU (47) · AT (37) · None (21) · IT (17) · BE (17) · CA (15) · RU (13) · CH (10) · AH (9) · NL (7) · RO (7) · IE (6) · AU (6) · MX (5) · ES (4) · SE (3)
Applicant firm:
None (1082) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (12) · Jacob Lohner & Co. (9) · Rumpler-Werke A.-G. in Berlin-Johannisthal (5) · Moteurs Salmson (5) · Blackburn Aeroplane and Motor Co. (4) · Luftschiffbau Schütte-Lanz (4) · Motorluftschiff Studiengesellschaft m.b.H (4) · Société Anonyme des Établissements Nieuport (3) · Luft-Verkehrs-Gesellschaft m.b.H. (3) · Aéroplanes Morane-Saulnier (3)
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Full specification filed date:
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National tech categories:
FR 6.4 (383) · None (256) · HU V/h (62) · FR 6.3 (39) · AT 77d (37) · DE 77h.5 (24) · USPC 244/22 (17) · USPC 244/6 (16) · USPC 244/90R (14) · USPC 244/66 (12) · BE K (12) · USPC 244/11 (9) · USPC 244/25 (9) · USPC 244/51 (9) · USPC 244/35R (9) · FR 6.2 (9)
IPCs:
None (460) · IPC B64B1/00 (86) · IPC B64C39/00 (65) · IPC B64C3/00 (55) · IPC B64C1/00 (46) · IPC B64C23/00 (36) · IPC B64C17/00 (26) · IPC B64C33/02 (24) · IPC B64B1/58 (23) · IPC B64C3/18 (22) · IPC B64C33/00 (19) · IPC B64C27/04 (16) · IPC B64C3/38 (16) · IPC B64C13/00 (15) · IPC CPC B64C13/00 (14) · IPC B64C3/54 (14) · IPC B64C11/00 (14) · IPC B64B1/62 (13) · IPC B64C35/00 (13) · IPC B64C3/56 (11)
First filing:
Citations from after 1930:

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