Drilldown: Patents

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Patents > Year granted: 1920 & Applicant firm: None & IPCs: None

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Year filed:
1912 (1) · 1913 (1) · 1914 (2) · 1915 (9) · 1916 (15) · 1917 (42) · 1918 (111) · 1919 (6)
Year granted:
(There are no values for this filter)
Office:
AT (2) · AU (2) · CA (1) · DE (10) · DK (3) · FR (38) · GB (23) · HU (12) · US (96)
Inventors:
None (31) · Harris G Hooper (4) · Alliott Verdon Roe (3) · John William Rapp (3) · Francis J PLYM (3) · Christian Lorenzen (2) · Edmund B Carns (2) · Ralph Hazlett UPSON (2) · Louis Paulhan (2) · Serge Vincent De Bolotoff (2) · Douglas DOBBINS (2) · Hans Josef Goebbel (2) · Melville W MIX (2)
Inventor country:
None (83) · AT (2) · AU (1) · CA (3) · CH (2) · DE (13) · FR (23) · GB (25) · HU (5) · IT (4) · NO (1) · RU (1) · UA (1) · US (26)
Applicant person:
None (8) · Frederick Handley Page (6) · KAWNEER (4) · John William Rapp (4) · Harris G Hooper (4) · MOTEURS SALMSON (3) · HANRIOT (3) · James Vernon Martin (3) · Alliott Verdon Roe (3)
Applicant firm: (Click arrow to add another value)
Applicant type:
None (29) · COMPANY (22) · INDIV (135) · UNIV-PRO-GOV (1)
Applicant is inventor:
None (3) · No (61) · Yes (123)
Tech fields:
None (152) · airplane (19) · wings (7) · subsystem (7) · design (6) · propellers (5) · propeller (5) · frame (4) · propulsion (3) · navigation (3) · construction (3)
Filing date:
None (1) · 1910 - 1919 (184) · 1920 - 1929 (1) · 2020 - 2029 (1)
Full specification filed date:
March 19, 1919 (1)
Application number:
None (18)
Grant date:
October 1919 (1) · January 1920 (16) · February 1920 (24) · March 1920 (25) · April 1920 (14) · May 1920 (21) · June 1920 (20) · July 1920 (7) · August 1920 (12) · September 1920 (9) · October 1920 (15) · November 1920 (4) · December 1920 (13) · January 1921 (1)
Granted:
None (1) · Yes (186)
Publication date:
January 1920 (3) · March 1920 (3) · April 1920 (4) · May 1920 (6) · June 1920 (3) · August 1920 (3) · September 1920 (2) · October 1920 (1) · April 1921 (1) · August 1921 (1)
Supplementary to patent:
None (169) · Patent 1918-01-07 Gábor Szakáts (1) · Patent AT-1917-79539 (1) · Patent CA-1918-192493 (3) · Patent DE-1914-321808 (1) · Patent DE-1915-03-20 Kurt Dominik (1) · Patent DE-1915-08-16 János Windhoff (1) · Patent DE-1916-01-23 Albert Rupp (1) · Patent DE-1916-03-23 Albrecht Nuss (1) · Patent DE-1916-04-18 Jakob Haw (1) · Patent DE-1916-10-07 Oscar Gerhardt (1) · Patent DE-1917-05-29-Detlev Zickler (1) · Patent FR-1912-458772 (1) · Patent FR-1913-456298 (1) · Patent GB-1916-112480 (1) · Patent GB-1917-128301 (1) · Patent IT-1916-08-29 Castagneris (1)
Related to aircraft:
None (93) · 1 (73) · Yes (21)
Patent agent:
None (176) · A. M. & William Clark (1) · Armengaud jeune (2) · Charles Assi (1) · Clem A. Hack (1) · Dony and Lejeune (1) · E. Vattier (1) · Edward Waters & Sons (1) · George Barker & Brettell (1) · M. Zerolo (1) · T. Damas (1)
Assigned to:
None (186) · Alois Leutenegger (1) · Fritz Müller (1)
National tech categories:
None (152) · AT 77d (2) · AU 90.3 (1) · AU 90.5 (1) · DE 77 (1) · DE 77h.12 (1) · DE 77h.5 (2) · DE 77h.6 (4) · DE 77h.7 (2) · DK 77 (2) · FR 15.2 (1) · FR 6.4 (5) · HU V/h (11) · HU XIX/b (1) · USPC 244/22 (1)
IPCs: (Click arrow to add another value)
CPCs:
None (26) · CPC B64C39/00 (17) · CPC B64C2700/6295 (14) · CPC B64C3/00 (12) · CPC B64C2700/6233 (10) · CPC B64C23/005 (10) · CPC B64C2700/6256 (8) · CPC B64C17/00 (8) · CPC B64C11/04 (7) · CPC B64C3/185 (7) · CPC B64C3/18 (6) · CPC B64C13/00 (6) · CPC B64C2700/6274 (6) · CPC B62C5/04 (6) · CPC B64C2700/6212 (4) · CPC B64C33/00 (4)
Family year:
None (9) · 1910 - 1919 (177) · 1960 - 1969 (1)
First filing:
None (9) · No (36) · Yes (142)
Cites these patents:
None (187)
Citations from after 1930:
None (187)
Number of text pages:
None (148) · 1 - 2 (3) · 2 - 3 (15) · 3 - 4 (9) · 4 - 50,000,000 (12)
Number of claims:
None (153) · 1 - 2 (12) · 2 - 3 (4) · 3 - 5 (7) · 5 - 11 (11)
Number of diagram pages:
None (1) · 1 (33) · 2 (1) · 3 (1) · 4 (2)
Number of figures:
None (1) · 1 - 2 (1) · 2 - 3 (8) · 3 - 4 (6) · 4 - 7 (12) · 7 - 20 (10)

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