Drilldown: Patents

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Patents > Office: FR & Inventor country: DE & Tech fields : Airplane or hybrid or safety or None & National tech categories : AT 77d or DE 77 or FR 6.2 or None

Use the filters below to narrow your results.

Year filed:
None (3) · 1880 - 1889 (1) · 1900 - 1909 (16) · 1910 - 1919 (69) · 1920 - 1929 (1)
Year granted:
None (1) · 1903 (1) · 1904 (1) · 1906 (3) · 1907 (2) · 1908 (6) · 1909 (3) · 1910 (9) · 1911 (12) · 1912 (17) · 1913 (19) · 1914 (14) · 1920 (2)
Office: (Click arrow to add another value)
Inventors:
None (3) · Friedrich Ernst BENZING (2) · Ernst AHRENS (2) · Alois WOLFMueller (2) · Max UECKE (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (3) · AHRENS ERNST (2) · WOLFMueller ALOIS (2) · FRIEDRICH ERNST BENZING (2) · MAX UECKE (2)
Applicant firm:
None (89) · Gothaer Waggonfabrik A. G.‎ (1)
Applicant type:
None (3) · COMPANY (3) · INDIV (80) · UNIV-PRO-GOV (4)
Applicant is inventor:
None (1) · No (7) · Yes (82)
Tech fields: (Click arrow to add another value)
Filing date:
1880 - 1889 (1) · 1900 - 1909 (18) · 1910 - 1919 (70) · 1920 - 1929 (1)
Full specification filed date:
None (90)
Application number:
None (2)
Grant date:
None (1) · 1904 (1) · 1905 (1) · 1906 (3) · 1907 (2) · 1908 (6) · 1909 (3) · 1910 (9) · 1911 (12) · 1912 (17) · 1913 (19) · 1914 (14) · 1920 (2)
Granted:
No (1) · Yes (89)
Publication date:
May 23, 1921 (1)
Supplementary to patent:
None (89) · Patent DE-1916-349065 (1)
Related to aircraft:
None (8) · 0 (1) · 1 (79) · No (1) · Yes (1)
Patent agent:
None (87) · Charles Assi (1) · E. Bletry (1) · Paul Blum (1)
Assigned to:
None (90)
National tech categories: (Click arrow to add another value)
IPCs:
None (87) · IPC B01D39/14 (1) · IPC B64C1/30 (1) · IPC B64C23/00 (1) · IPC B64C3/56 (1) · IPC B64C9/32 (1)
CPCs:
None (9) · CPC B64C23/005 (8) · CPC B64C33/02 (8) · CPC B64C2700/6274 (7) · CPC B64C39/00 (7) · CPC B64C2700/6295 (7) · CPC B64C17/00 (6) · CPC B64C35/00 (5) · CPC B64C17/06 (3) · CPC B64C2700/6218 (3) · CPC B64C3/385 (3) · CPC B64C33/00 (3) · CPC B64F2700/628 (3) · CPC B64C2700/6216 (3)
Family year:
1880 - 1889 (1) · 1900 - 1909 (18) · 1910 - 1919 (71)
First filing:
None (1) · No (58) · Yes (31)
Cites these patents:
None (90)
Citations from after 1930:
None (90)
Number of text pages:
None (88) · 2 (1) · 3 (1)
Number of claims:
None (88) · 1 (1) · 9 (1)
Number of diagram pages:
None (88) · 1 (2)
Number of figures:
None (88) · 2 (1) · 14 (1)

Showing below up to 90 results in range #1 to #90.

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