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 (1) · 1915 (9) · 1916 (13) · 1917 (30) · 1918 (80) · 1919 (5)
Year granted:
(There are no values for this filter)
Office:
AT (1) · AU (2) · CA (2) · DE (9) · DK (2) · FR (29) · GB (20) · HU (9) · US (66)
Inventors:
None (25) · John William Rapp (3) · Harris G Hooper (3) · Francis J PLYM (3) · Alliott Verdon Roe (2) · Melville W MIX (2) · Ralph Hazlett UPSON (2) · Louis Paulhan (2) · Serge Vincent De Bolotoff (2) · Christian Lorenzen (2)
Inventor country:
None (58) · AT (1) · CA (2) · CH (2) · DE (10) · FR (17) · GB (23) · HU (4) · IT (4) · NO (1) · RU (1) · UA (1) · US (19)
Inventor location:
None (135) · Budapest (2) · Kiev (1) · Minneapolis, Minnesota (1) · Speyer am Rhein (1)
Applicant person:
None (7) · Frederick Handley Page (6) · John William Rapp (4) · KAWNEER (4) · Harris G Hooper (3) · HANRIOT (3) · GOODYEAR TIRE RUBBER (2) · Serge Vincent De Bolotoff (2) · Alliott Verdon Roe (2) · Chessborough Mackenzie-Kennedy (2) · Christian Lorenzen (2) · James Vernon Martin (2) · MOTEURS SALMSON (2) · Louis Paulhan (2) · MIX MELVILLE W (2)
Applicant firm: (Click arrow to add another value)
Applicant type:
None (19) · COMPANY (20) · INDIV (100) · UNIV-PRO-GOV (1)
Applicant is inventor:
None (2) · No (49) · Yes (89)
Tech fields:
None (139) · airplane (1) · control (1) · equilibrium (1) · navigation (1) · propellers (1)
Filing date:
None (1) · 1910 - 1919 (138) · 2020 - 2029 (1)
Full specification filed date:
March 19, 1919 (1)
Application number:
None (14)
Grant date:
October 1919 (1) · January 1920 (13) · February 1920 (14) · March 1920 (21) · April 1920 (7) · May 1920 (16) · June 1920 (13) · July 1920 (6) · August 1920 (12) · September 1920 (6) · October 1920 (12) · November 1920 (2) · December 1920 (11) · January 1921 (1)
Granted:
None (1) · Yes (139)
Publication date:
January 1920 (3) · March 1920 (2) · April 1920 (4) · May 1920 (5) · June 1920 (3) · August 1920 (2) · September 1920 (1) · October 1920 (1) · April 1921 (1) · August 1921 (1)
Supplementary to patent:
None (127) · Patent 1918-01-07 Gábor Szakáts (1) · Patent AT-1917-79539 (1) · Patent CA-1918-192493 (1) · Patent DE-1914-321808 (1) · Patent DE-1916-01-23 Albert Rupp (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 (64) · 1 (59) · Yes (17)
Patent agent:
None (131) · A. M. & William Clark (1) · Armengaud jeune (1) · 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)
Assigned to:
None (139) · Alois Leutenegger (1) · Fritz Müller (1)
National tech categories:
None (112) · AT 77d (1) · 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 (1) · DK 77 (1) · FR 15.2 (1) · FR 6.4 (4) · HU V/h (8) · HU XIX/b (1) · USPC 244/22 (1)
IPCs: (Click arrow to add another value)
CPCs:
None (21) · CPC B64C3/00 (8) · CPC B64C2700/6295 (8) · CPC B64C2700/6256 (8) · CPC B64C17/00 (8) · CPC B64C39/00 (7) · CPC B64C11/04 (6) · CPC B64C3/18 (6) · CPC B64C2700/6233 (6) · CPC B64C13/00 (6) · CPC B62C5/04 (5) · CPC B64C3/185 (5) · CPC B64C23/005 (4) · CPC B64C2700/6212 (4) · CPC B64C2700/6271 (3) · CPC B64C2700/6218 (3) · CPC B64C11/16 (3)
Family year:
None (6) · 1912 (2) · 1913 (1) · 1914 (2) · 1915 (9) · 1916 (15) · 1917 (31) · 1918 (72) · 1919 (2)
First filing:
None (5) · No (31) · Yes (104)
Cites these patents:
None (140)
Citations from after 1930:
None (1)
Number of text pages:
None (107) · 1 - 2 (2) · 2 - 3 (12) · 3 - 4 (7) · 4 - 50,000,000 (12)
Number of claims:
None (112) · 1 - 2 (9) · 2 - 3 (3) · 3 - 6 (9) · 6 - 11 (7)
Number of diagram pages:
None (1) · 1 (26) · 2 (1) · 3 (2) · 4 (2)
Number of figures:
None (1) · 1 - 2 (1) · 2 - 3 (6) · 3 - 4 (5) · 4 - 7 (9) · 7 - 20 (9)

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