Drilldown: Patents

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Patents > National tech categories : DE 77h or USPC 244/30 or USPC 244/45R or USPC 244/80 & Number of claims: 4-8

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Year filed:
None (1) · 1850 - 1859 (1) · 1880 - 1889 (5) · 1890 - 1899 (1) · 1900 - 1909 (14) · 1910 - 1919 (37)
Year granted:
1850 - 1859 (1) · 1860 - 1869 (1) · 1880 - 1889 (5) · 1890 - 1899 (1) · 1900 - 1909 (5) · 1910 - 1919 (46)
Office:
DE (3) · US (56)
Inventors:
Peter Cooper Hewitt (2)
Inventor country:
CA (1) · DE (3) · GB (2) · US (53)
Applicant person:
None (3) · Peter Cooper Hewitt (2)
Applicant firm:
None (57) · Christmas Aeroplane (1) · Connecticut Aircraft (1)
Applicant type:
None (3) · COMPANY+INDIV (1) · INDIV (54) · INDIV+COMPANY (1)
Applicant is inventor:
No (6) · Yes (53)
Tech fields:
stability (20) · LTA (13) · frame (11) · navigation (10) · None (9) · airfoil (8) · airplane (8) · propeller (8) · propulsion (7) · balloon (6) · automatic stability (5) · rudder (4) · takeoff (3) · car (3) · wheels (3) · whole (3)
Filing date:
1850 - 1859 (1) · 1860 - 1869 (1) · 1880 - 1889 (5) · 1890 - 1899 (1) · 1900 - 1909 (14) · 1910 - 1919 (36) · 1960 - 1969 (1)
Full specification filed date:
None (57) · 1910 - 1919 (1) · 1960 - 1969 (1)
Application number:
None (13)
Grant date:
None (1) · 1850 - 1859 (1) · 1860 - 1869 (1) · 1880 - 1889 (5) · 1890 - 1899 (1) · 1900 - 1909 (5) · 1910 - 1919 (45)
Granted:
Yes (59)
Publication date:
None (57) · 1860 - 1869 (1) · 1910 - 1919 (1)
Supplementary to patent:
None (56) · 1 (1) · Patent GB-1848-12337 (1) · Patent US-1912-692269 (1)
Related to aircraft:
None (1) · 1 (38) · Partially (1) · Yes (19)
Patent agent:
None (23) · . . . Elliott (1) · 1 (1) · A. M. Pierce (1) · B. Singer (1) · Briesen & Knauth (1) · Browne & Phelps (1) · C. A. Snow & Co. (1) · C. C. Hines (1) · C. L. Parker (1) · Edgar Tate & Co. (1) · Foster & Loveman? (1) · Frank E. Ernst (1) · Geo. L. Wheelock (1) · George C. ... (1) · H. B. Willson & Co. (1) · H. S. Woodward (1) · James Mackin (1) · Joseph L. Levy (1) · Maurice Block? (1) · Paul Goefel? (1) · R. S. & A. B. Lacey (1) · Rufus B Sowler (1) · Samuel H. Smick (1) · Semer G. Wells (1) · Spencer Heath (1) · Victor J. Evans (7) · W. Randolph, Jr. (1) · Walter M. Huller (1) · Wm. H. Appleton (1) · Wm. M. Monroe (1)
Assigned to:
None (51) · 589862 (1) · Charles P. Savage (1) · Connecticut Aircraft (1) · Conrad L. Schopp (1) · Edward E. Clement (1) · Eli Pollak (1) · Harry L Roderick (1) · M. E. Macmanus (1) · Walter L. Buckman (1)
National tech categories: (Click arrow to add another value)
IPCs:
None (31) · Frank G. Burke, Jr. (½) (1) · IPC A01H5/00 (1) · IPC B63H11/00 (1) · IPC B64B1/00 (9) · IPC B64B1/02 (1) · IPC B64C11/24 (1) · IPC B64C17/00 (7) · IPC B64C23/02 (1) · IPC B64C39/00 (7) · New York, NY (1)
CPCs:
None (3) · CPC B63H11/12 (1) · CPC B64B1/00 (10) · CPC B64B1/02 (1) · CPC B64C 39/08 (1) · CPC B64C13/00 (2) · CPC B64C17/00 (28) · CPC B64C23/005 (1) · CPC B64C2700/6295 (9) · CPC B64C30/00 (1) · CPC B64C33/02 (1) · CPC B64C39/00 (1) · CPC B64C39/06 (1) · CPC B64C39/08 (6) · CPC B64C9/00 (1) · CPC Y02T70/121 (1) · CPC Y10S415/905 (1)
Family year:
None (1) · 1850 - 1859 (1) · 1860 - 1869 (1) · 1880 - 1889 (4) · 1890 - 1899 (1) · 1900 - 1909 (15) · 1910 - 1919 (36)
First filing:
None (1) · Yes (58)
Cites these patents:
None (54) · 1 (2) · Patent US-1903-821393 (1) · Patent US-1909-525497 (1) · US3062174 (1)
Citations from after 1930:
None (15) · 1 (6)
Number of text pages:
None (2) · 1 - 2 (1) · 2 - 3 (18) · 3 - 4 (21) · 4 - 50,000,000 (17)
Number of claims:
4 (19) · 5 (13) · 6 (13) · 7 (5) · 8 (9)
Number of diagram pages:
None (2) · 1 - 2 (19) · 2 - 3 (13) · 3 - 4 (12) · 4 - 50,000,000 (13)
Number of figures:
None (2) · 1 - 3 (6) · 3 - 5 (13) · 5 - 6 (12) · 6 - 8 (12) · 8 - 20 (14)

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