Drilldown: Patents

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Patents > Patent agent : Knight Bros. or Victor J. Evans & Number of claims: 2-4

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Year filed:
1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (8) · 1910 - 1919 (40)
Year granted:
1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (5) · 1910 - 1919 (41) · 1920 - 1929 (2)
Office:
US (50)
Inventors:
Ralph P. Fox (2) · Axel R. Nordstrom (2)
Inventor country:
CA (2) · GB (2) · US (47)
Inventor location:
None (37) · Albany county, Wyoming (1) · Bexar county (1) · Indiana (1) · Iowa (1) · Marshall, Wyoming (1) · Memphis, Missouri (1) · Michigan (1) · Missouri (1) · Nebraska (2) · New York City (1) · New York county (1) · NY (1) · Omaha (1) · Ontario (1) · Oregon (1) · Pennsylvania (1) · San Antonio (1) · St. Louis (1) · TX (1) · Wyoming (1)
Applicant person:
Carin E. Norwall (2) · Axel R. Nordstrom (2) · Martin Bowman (2) · Ralph P. Fox (2)
Applicant firm:
None (50)
Applicant type:
None (1) · INDIV (49)
Applicant is inventor:
No (6) · Yes (44)
Tech fields:
None (13) · frame (10) · propeller (10) · airplane (9) · propulsion (7) · navigation (7) · safety (6) · stability (5) · LTA (5) · hybrid (4) · airfoil (3) · rudder (3) · parachute (3) · helicopter (3) · ornithopter (2) · Windmill (2) · flapping (2) · airship (2) · balloon (2) · construction (2)
Filing date:
1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (8) · 1910 - 1919 (40)
Full specification filed date:
December 1911 (1) · October 1912 (1) · December 1912 (1)
Application number:
None (7)
Grant date:
1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (5) · 1910 - 1919 (41) · 1920 - 1929 (2)
Granted:
No (1) · Yes (49)
Publication date:
None (50)
Supplementary to patent:
None (50)
Related to aircraft:
.5 (2) · 0 (3) · 0.5 (1) · 1 (39) · Partially (1) · Yes (4)
Patent agent: (Click arrow to add another value)
Assigned to:
None (46) · Carin E. Norwall (1) · Franklin E. Collins (1) · Gustav F. Hellstrom Jr (1) · Gustav F. Hellstrom Sr (1) · John W. Monroe (1) · Martin Bowman (1) · Worthie E. Colyer (1)
National tech categories:
None (11) · USPC 244/45R (3) · USPC 244/131 (2) · USPC 244/139 (2) · USPC 244/73R (2) · USPC 244/119 (2)
IPCs:
None (41) · IPC A45B19/10 (1) · IPC B64C11/36 (1) · IPC B64C23/005 (1) · IPC B64C3/00 (1) · IPC B64C3/26 (1) · IPC B64C33/00 (2) · IPC B64D17/00 (1) · IPC B64D25/12 (1) · IPC B65D5/44 (1)
CPCs:
CPC B64C23/005 (4) · CPC B64B1/00 (4) · CPC B64C17/00 (4) · CPC B64C39/005 (3) · CPC B64C2700/6295 (3) · CPC B64C11/36 (3) · CPC B64C39/08 (3) · CPC B64C3/385 (2) · CPC B64C3/14 (2) · CPC B64C29/0033 (2) · CPC Y02E10/28 (2) · CPC B64C33/00 (2)
Family year:
None (1) · 1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (8) · 1910 - 1919 (39)
First filing:
No (1) · Yes (49)
Cites these patents:
None (50)
Citations from after 1930:
None (19) · 1 - 2 (5) · 2 - 7 (10)
Number of text pages:
1 (3) · 2 (26) · 3 (19) · 4 (2)
Number of claims:
2 (24) · 3 (15) · 4 (11)
Number of diagram pages:
1 - 2 (7) · 2 - 3 (16) · 3 - 4 (14) · 4 - 6 (13)
Number of figures:
1 - 4 (9) · 4 - 6 (10) · 6 - 8 (18) · 8 - 15 (13)

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