Drilldown: Patents

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Patents > CPCs : CPC B63H1/36 or CPC B64C23/005 & Number of claims: 6-30

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Year filed:
1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (23) · 1910 - 1919 (33) · 1920 - 1929 (1)
Year granted:
1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (13) · 1910 - 1919 (41) · 1920 - 1929 (3)
Office:
FR (8) · GB (10) · US (41)
Inventors:
Ernest William Welsh (2) · Christopher John Lake (2)
Inventor country:
None (1) · AU (2) · BE (1) · CA (2) · CH (1) · DE (1) · FR (6) · GB (6) · MX (1) · RU (1) · SR (1) · US (37) · ZA (1)
Applicant person:
None (6) · Ernest William Welsh (2) · Christopher John Lake (2)
Applicant firm:
None (58) · Sanford Manufacturing Company (1)
Applicant type:
None (3) · agent (1) · COMPANY+INDIV (1) · INDIV (55)
Applicant is inventor:
No (4) · Yes (55)
Tech fields:
Airplane (21) · None (17) · Frame (15) · propulsion (14) · navigation (13) · propeller (12) · stability (9) · hybrid (9) · helicopter (9) · rudder (6) · parachute (6) · landing (6) · airfoil (5) · lift (5) · wheels (4) · takeoff (4) · LTA (4) · ascension (4)
Filing date:
None (1) · 1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (23) · 1910 - 1919 (32) · 1920 - 1929 (1)
Full specification filed date:
None (52) · 1909 (1) · 1910 (2) · 1911 (2) · 1912 (1) · 1917 (1)
Application number:
None (6)
Grant date:
None (1) · 1880 - 1889 (1) · 1890 - 1899 (1) · 1900 - 1909 (12) · 1910 - 1919 (41) · 1920 - 1929 (3)
Granted:
Yes (59)
Publication date:
None (52) · 1904 (1) · 1907 (1) · 1911 (2) · 1912 (2) · 1916 (1)
Supplementary to patent:
None (52) · Patent AU-1911-510 (1) · Patent CH-1902-27895 (1) · Patent FR-1909-404954 (1) · Patent GB-1909-12556 (1) · Patent GB-1910-18683 (1) · Patent GB-1910-26960 (1) · Patent US-1918-09-20 William E. Lawn (1)
Related to aircraft:
1 (46) · Yes (13)
Patent agent:
None (5) · Victor J. Evans (3) · Munn & Co. (3) · E. Bletry (2) · None (2)
Assigned to:
None (55) · Ambrose M. Smith (1) · John H. Dodd (1) · Samuel A. Boyd (1) · Sanford Manufacturing Company (1) · USPC 244/12.1 (1)
National tech categories:
None (17) · FR 6.4 (7) · GB 4 aërostats (1) · GB 4 cars and cabins (1) · GB 4 propel & steer (1) · USPC 200/52A (1) · USPC 244/100R (3) · USPC 244/104CS (1) · USPC 244/104R (2) · USPC 244/107 (1) · USPC 244/110D (1) · USPC 244/119 (1) · USPC 244/12.1 (6) · USPC 244/122R (1) · USPC 244/139 (3) · USPC 244/144 (1) · USPC 244/218 (1) · USPC 244/221 (1) · USPC 244/229 (1) · USPC 244/233 (1) · USPC 244/38 (1) · USPC 244/48 (1) · USPC 244/51 (1) · USPC 244/6 (12) · USPC 244/60 (1) · USPC 244/65 (1) · USPC 244/66 (6) · USPC 244/68 (1) · USPC 244/80 (2) · USPC 416/123 (1) · USPC 416/129 (1) · USPC 416/167 (1) · USPC 60/269 (1) · USPC 74/665S (1)
IPCs:
None (40) · IPC B64C23/00 (19) · IPC B64C33/02 (1)
CPCs: (Click arrow to add another value)
Family year:
None (1) · 1880 - 1889 (1) · 1900 - 1909 (24) · 1910 - 1919 (32) · 2010 - 2019 (1)
First filing:
No (9) · Yes (50)
Cites these patents:
None (58) · Patent GB- (1) · Patent GB-1862-552 (1) · Patent GB-1863-2780 (1) · Patent GB-1864-2139 (1) · Patent GB-1866-267 (1) · Patent GB-1868-2502 (1) · Patent GB-1868-3146 (1) · Patent GB-1869-278 (1) · Patent GB-1869-3705 (1) · Patent GB-1874-2042 (1) · Patent GB-1884-7131 (1) · Patent GB-1897-17842 (1) · Patent GB-1898-9678 (1) · Patent GB-1899-14886 (1)
Citations from after 1930:
None (10) · 1 (6) · 2 (1) · 4 (1) · 8 (1)
Number of text pages:
None (1) · 2 - 3 (2) · 3 - 4 (20) · 4 - 5 (17) · 5 - 9 (19)
Number of claims:
6 - 7 (9) · 7 - 8 (10) · 8 - 9 (9) · 9 - 12 (18) · 12 - 30 (13)
Number of diagram pages:
1 - 3 (20) · 3 - 5 (23) · 5 - 7 (16)
Number of figures:
None (2) · 2 - 4 (10) · 4 - 6 (7) · 6 - 8 (13) · 8 - 10 (9) · 10 - 17 (18)

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