Drilldown: Patents

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Patents > Filing date: 1890 - 1899 & National tech categories: None & Number of claims: 7-9

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Year filed:
1891 (1) · 1892 (2) · 1895 (2) · 1896 (3) · 1897 (1) · 1899 (1)
Year granted:
1892 (2) · 1893 (1) · 1895 (1) · 1896 (2) · 1897 (2) · 1898 (1) · 1900 (1)
Office:
GB (4) · US (6)
Inventors:
Bernardhus Magnushen Totdahl (1) · Carl Heinrich Oscar Roeper (1) · Charles J. Lowe (1) · Edward Joel Pennington (1) · Flavieous J. Hoge (1) · Francis Alexander Barton (1) · Henry A. Hartman (1) · James Constant Walker (1) · Lewis O. Boostrum (1) · Percy Sinclair Pilcher (1)
Inventor country:
None (1) · DE (1) · GB (2) · US (7)
Applicant person:
None (3) · Bernardhus Magnushen Totdahl (1) · Carl Heinrich Oscar Roeper (1) · Charles J. Lowe (1) · Flavieous J. Hoge (1) · Francis Alexander Barton (1) · Henry A. Hartman (1) · Lewis O. Boostrum (1)
Applicant firm:
None (10)
Applicant type:
None (3) · INDIV (7)
Applicant is inventor:
Yes (10)
Tech fields:
None (3) · airfoil (2) · airplane (2) · aluminum (1) · automatic stability (1) · ballast (2) · ballonet (1) · balloon (1) · barometer (1) · car (1) · compass (1) · cybernetics (1) · design (1) · electric (1) · frame (3) · gas (1) · glider (1) · hybrid (2) · hydrogen (1) · instrument (1) · landing (1) · LTA (3) · magnet (1) · navigation (4) · parachute (1) · propeller (4) · propellers (1) · rudder (3) · safety (1) · stability (1) · steering (1) · subsystem (1) · wheels (2) · Windmill (1)
Filing date:
1891 (1) · 1892 (2) · 1895 (2) · 1896 (3) · 1897 (1) · 1899 (1)
Full specification filed date:
None (6) · 1895 (1) · 1897 (2) · 1900 (1)
Application number:
None (10)
Grant date:
1892 (2) · 1893 (1) · 1895 (1) · 1896 (1) · 1897 (3) · 1898 (1) · 1900 (1)
Granted:
Yes (10)
Publication date:
None (10)
Supplementary to patent:
None (10)
Related to aircraft:
0 (2) · 1 (5) · Yes (3)
Patent agent:
None (1) · 396044 (1) · Boult & Wade (1) · C. A. Snow & Co. (2) · Haseltine, Lake & Co. (1) · Jensen & Son (1) · W. B. Richards (1) · W. D. Rowlingson (1) · W. E. Williams (1)
Assigned to:
None (9) · USPC 244/12.1 (1)
National tech categories: (Click arrow to add another value)
IPCs:
None (10)
CPCs:
None (4) · CPC B63H5/10 (2) · CPC B64C11/34 (1) · CPC B64C11/48 (3) · CPC B64C13/06 (1) · CPC B64C23/005 (1) · CPC F03D1/025 (1) · CPC Y02E10/72 (1) · CPC Y10T74/19121 (1)
Family year:
None (3) · 1892 (2) · 1895 (2) · 1896 (1) · 1897 (1) · 1899 (1)
First filing:
None (1) · No (3) · Yes (6)
Cites these patents:
None (10)
Citations from after 1930:
None (3) · 1 (1) · 2 (1)
Number of text pages:
2 (2) · 3 (5) · 4 (2) · 6 (1)
Number of claims:
7 (6) · 8 (2) · 9 (2)
Number of diagram pages:
1 (3) · 2 (5) · 4 (1) · 5 (1)
Number of figures:
2 - 5 (4) · 5 - 14 (6)

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