Drilldown: Patents

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Patents > Tech fields : safety or None & Filing date: 1900 - 1909 & Number of text pages: 1-2

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Office:
Inventors:
Friedrich von Ehrenberg (4) · None (4) · Johannes Schilling (3) · Robert Krause (2) · James Means (2) · Louis-Ferdinand Ferber (2) · Caspar Braun (2) · Friedrich Adolf Richter (2) · Richard Haagen (2) · Emil Lehmann (2) · Ignaz Etrich (2) · Alexis Cousseau (2)
Inventor country:
Applicant person:
None (19) · Friedrich von Ehrenberg (4) · Johannes Schilling (3) · Robert Krause (2) · Richard Haagen (2) · Louis-Ferdinand Ferber (2) · Ignaz Etrich (2) · Alexis Cousseau (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (50)
Granted:
Related to aircraft:
Patent agent:
None (46) · None (10) · Chassevent (3) · Armengaud jeune (3) · C. Bauman (3) · C. Baumann (3) · James L. Norris (2) · G. de Mestral et F. Harle (2) · Marks & Clerk (2) · Munn & Co. (2) · Edward Evans & Co. (2) · J. Germain (2) · Dom. Casalonga (2) · J. Bonnet-Thirion (2) · Y. Rabilloud et fils (2) · Carl Tewes (2) · C. Blétry (2) · Société J.-P. Bonnicart et Cie (2)
National tech categories:
FR 6.4 (42) · None (35) · FR 6.3 (6) · FR 10.1 (4) · DE 77h (3) · DE 77h.6 (3) · AT 77d (2) · DE 77h.2 (2) · DE 77h.11 (2) · DE 77h.7 (2)
IPCs:
None (48) · IPC B64C39/00 (18) · IPC B64B1/00 (8) · IPC B64C5/04 (4) · IPC B64C3/00 (4) · IPC B64C23/00 (4) · IPC B64C27/04 (4) · IPC B64C25/00 (3) · IPC B64C1/00 (3) · IPC B64C11/00 (3) · IPC B64C3/38 (3) · IPC B64B1/40 (2) · IPC B64C13/00 (2) · IPC B64C17/00 (2)
CPCs:
None (31) · CPC B64C39/00 (12) · CPC B64C2700/6295 (9) · CPC B64B1/00 (7) · CPC B64C11/006 (5) · CPC B64C23/005 (5) · CPC B64C2700/6274 (5) · CPC B64C3/00 (4) · CPC B64C3/385 (3) · CPC B64C27/12 (3) · CPC B64C25/06 (3) · CPC B64C17/00 (3) · CPC B64C39/008 (3) · CPC B64B1/40 (3) · CPC B64B1/58 (3) · CPC B64C11/48 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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