Drilldown: Patents

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Patents > Inventor country : DE or NL & Applicant firm: None & Tech fields: navigation & Number of text pages: 2-3

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Year filed:
None (1) · 1870 - 1879 (1) · 1880 - 1889 (4) · 1890 - 1899 (13) · 1900 - 1909 (9) · 1910 - 1919 (17)
Year granted:
None (1) · 1880 - 1889 (5) · 1890 - 1899 (12) · 1900 - 1909 (6) · 1910 - 1919 (19) · 1920 - 1929 (2)
Office:
AT (2) · CH (1) · DE (20) · DK (4) · FR (5) · GB (6) · US (7)
Inventors:
Paul Lehmann (2) · Ernst Carl Alexander Baumann (2) · August Schlegelmilch (2) · Ernst Emil Freytag (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (19) · Alfred Theodor Zeise (1) · Anton Flettner (1) · August Schlegelmilch (2) · Carl Steiger (1) · Dr. Albert Eder (1) · Ernst Bucher (1) · Ernst Carl Alexander Baumann (1) · Ernst Emil Freitag (1) · Ernst Emil Freytag (1) · Ernst Georg August Baumgarten (1) · Ernst Karl Alexander Baumann (1) · Ferdinand von Zeppelin (1) · Franz Bollhorn (1) · Franz Xaver Wels (1) · Friedrich Rau (1) · Georg Steinicke (1) · Gustav Fricke (1) · Gustav Kerwat (1) · Heinrich Strauss (1) · Ludwig Laetsch (1) · Otto Lilienthal (1) · Paul Behrens (1) · Paul Lehmann (2) · Raymond d'Equevilley-Montjustin (1) · Robert Hascher (1) · Rudolf Wagner (1) · Rudolph Max Wilhelm Hans von Siegsfeld (1) · W.J. Hoffmann (1)
Applicant firm: (Click arrow to add another value)
Applicant type:
None (10) · INDIV (35)
Applicant is inventor:
Yes (45)
Tech fields: (Click arrow to add another value)
Filing date:
None (1) · 1870 - 1879 (1) · 1880 - 1889 (4) · 1890 - 1899 (12) · 1900 - 1909 (9) · 1910 - 1919 (17) · 1960 - 1969 (1)
Full specification filed date:
None (42) · 1908 (1) · 1910 (1) · 1912 (1)
Application number:
None (34) · 1907381146 (1) · 191002302D (1) · 1910568854 (1) · 1911663270 (1) · 191202954D (1) · 1912692959 (1) · 397291D (1) · 416676D (1) · 434660D (1) · 443617D (1) · ATD75092 (1)
Grant date:
None (9) · 1880 - 1889 (4) · 1890 - 1899 (12) · 1900 - 1909 (6) · 1910 - 1919 (14)
Granted:
Yes (45)
Publication date:
None (23) · 1880 - 1889 (1) · 1890 - 1899 (3) · 1900 - 1909 (3) · 1910 - 1919 (13) · 1920 - 1929 (2)
Supplementary to patent:
None (34) · Patent DE-1893-75731 (1) · Patent DE-1894-83896 (1) · Patent DE-1895-98580 (1) · Patent DE-1908-232250 (2) · Patent DE-1908-239989 (1) · Patent DE-1909-Wilcke-Graff (1) · Patent DE-1910-258744 (1) · Patent DE-1912-06-08 (1) · Patent FR-1897-266527 (1) · Patent FR-1908-393460 (1)
Related to aircraft:
1 (24) · Yes (21)
Patent agent:
None (32) · A. Ritter (1) · Armengaud jeune (1) · Brandon freres (1) · E. Blétry (1) · Evan Dedennel (1) · F. W. Le Tall (1) · Francis Heron Rogers (1) · G. Protte (1) · Herbert Haddan & Co. (1) · J. Hans (1) · Leport (1) · Marks & Clerk (1) · W. H. Beck & Co. (1)
Assigned to:
None (44) · Ernst Emil Freitag (1)
National tech categories:
None (6) · AT 77d (2) · CH 115 (1) · DE 77 (12) · DE 77h.15 (1) · DE 77h.2 (1) · DE 77h.3 (1) · DE 77h.5 (3) · DE 77h.6 (1) · DE77h.5 (1) · DK 77 (4) · FR 6.2 (1) · FR 6.4 (4) · USPC 244/16 (1) · USPC 244/232 (1) · USPC 244/30 (1) · USPC 244/33 (1) · USPC 244/4A (1) · USPC 244/51 (1) · USPC 244/93 (1) · USPC 244/99 (1) · USPC 416/98 (1)
IPCs:
None (23) · IPC B64C13/00 (1) · IPC B63B3/40 (1) · IPC B64B1/00 (4) · IPC B64B1/30 (1) · IPC B64B1/40 (2) · IPC B64B1/58 (1) · IPC B64B1/62 (2) · IPC B64C13/04 (1) · IPC B64C23/00 (1) · IPC B64C3/38 (2) · IPC B64C31/02 (1) · IPC B64C31/06 (1) · IPC B64C33/02 (1) · IPC B64C39/08 (1) · IPC B64C9/00 (1) · IPC B64D35/06 (1) · IPC CPC B64C13/00 (1) · IPC G04C3/00 (1) · IPC G04C5/00 (1) · IPC H01J1/20 (1)
CPCs:
None (18) · CPC A63H27/08 (1) · CPC B63B3/40 (1) · CPC B64B1/00 (7) · CPC B64B1/30 (1) · CPC B64B1/40 (2) · CPC B64B1/58 (1) · CPC B64B1/62 (2) · CPC B64C13/00 (4) · CPC B64C17/00 (1) · CPC B64C23/005 (1) · CPC B64C2700/6256 (1) · CPC B64C2700/6273 (1) · CPC B64C3/385 (2) · CPC B64C3/42 (1) · CPC B64C31/02 (1) · CPC B64C33/00 (1) · CPC B64C33/02 (1) · CPC B64C9/00 (1) · CPC B64D35/06 (1) · CPC H01J1/20 (1)
Family year:
None (12) · 1870 - 1879 (1) · 1880 - 1889 (3) · 1890 - 1899 (10) · 1900 - 1909 (7) · 1910 - 1919 (12)
First filing:
None (11) · No (18) · Yes (16)
Cites these patents:
None (45)
Citations from after 1930:
None (44) · 1 (1)
Number of text pages:
2 (31) · 3 (14)
Number of claims:
None (6) · 1 - 2 (8) · 2 - 3 (13) · 3 - 4 (8) · 4 - 10 (10)
Number of diagram pages:
None (1) · 1 (34) · 2 (9) · 4 (1)
Number of figures:
None (1) · 2 - 3 (7) · 3 - 5 (16) · 5 - 6 (5) · 6 - 13 (14)

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