Drilldown: Patents

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Patents > Application number : 496388D or hybrid or None & Grant date: 1920 & IPCs: None & Family year: 1910 - 1919

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Year filed:
1915 (2) · 1916 (3) · 1917 (14) · 1918 (2) · 1919 (2)
Year granted:
1916 (1) · 1918 (1) · 1920 (21)
Office:
AT (3) · DE (1) · DK (1) · FR (1) · HU (15) · US (2)
Inventors:
None (12) · Albert Rupp (1) · Carl Alfred Johansson (1) · Detlev Zickler (1) · Emil Schimanek (2) · George A. Spratt (1) · Georges Juchmès (1) · Hans Windhoff (1) · Jenő Böszörményi (1) · Lawrence Burst Sperry (1) · Oscar Gerhardt (1) · Paul Schmitt (1)
Inventor country:
DE (15) · FR (2) · HU (3) · NO (1) · US (2)
Applicant person:
None (12) · Albert Rupp (1) · Carl Alfred Johansson (1) · Detlev Zickler (1) · Emil Schimanek (2) · Georges Juchmès (1) · H. W. Smith (1) · Hans Windhoff (1) · Jenő Böszörményi (1) · Lawrence Burst Sperry (1) · Oscar Gerhardt (1) · Paul Schmitt (1)
Applicant firm:
None (10) · Allgemeine Elektricitäts-Gesellschaft (2) · Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (3) · Gothaer Waggonfabrik A. G. (2) · Lawrence Sperry Aircraft Company, Inc. (1) · Luft-Verkehrs-Gesellschaft m.b.H. (1) · Luftschiffbau Schütte-Lanz (1) · Magyar Lloyd Repülőgép- és Mótorgyár-Részvénytársaság (1) · Siemens & Halske Aktiengesellshaft (1) · Siemens-Schuckertwerke (1)
Applicant type:
COMPANY (9) · COMPANY + INDIV (1) · INDIV (11) · UNIV-PRO-GOV (2)
Applicant is inventor:
None (4) · No (8) · Yes (11)
Tech fields:
airplane (11) · Instrument (3) · design (3) · motors (3) · military (3) · aerodynamics (3) · wings (2) · propulsion (2) · propellers (2) · projectile (2) · lift (2) · Industry (2) · Frame (2) · None (2) · wood (2) · Altitude (2) · Bombing (2) · construction (2) · Cooling (2)
Filing date:
1915 (2) · 1916 (3) · 1917 (14) · 1918 (1) · 1919 (2) · 1920 (1)
Full specification filed date:
None (23)
Application number: (Click arrow to add another value)
Grant date:
February 1920 (1) · March 1920 (1) · April 1920 (2) · May 1920 (6) · June 1920 (4) · July 1920 (2) · August 1920 (3) · September 1920 (1) · October 1920 (2) · December 1920 (1)
Granted:
No (1) · Yes (22)
Publication date:
April 1920 (2) · May 1920 (2) · June 1920 (4) · August 1920 (4) · September 1920 (2) · October 1920 (2) · April 1921 (1) · June 1921 (1) · August 1921 (1)
Supplementary to patent:
None (7) · Patent 1917-01-19 Siemens & Halske A.-G. (1) · Patent AT-1915-79205 (1) · Patent AT-1917-77075 (1) · Patent AT-1917-84294 (1) · Patent DE 1916-10-24 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent DE 1916-12-01 Gesellschaft für Apparatenbau A. R. Ahrent és P. Heylandt G.m.b.H. (1) · Patent DE 1916-12-07 Gesellschaft für Apparatenbau A. R. Ahrent und P. Heylandt G.m.b.H. (1) · Patent DE-1915-08-16 Allgemeine Elektricitäts-Gesellschaft‎ (1) · Patent DE-1915-08-16 János Windhoff (1) · Patent DE-1915-09-28 Gothaer Waggonfabrik A. G. (1) · Patent DE-1916-01-23 Albert Rupp (1) · Patent DE-1916-03-06 Gothaer Waggonfabrik A. G. (1) · Patent DE-1916-03-21 Allgemeine Elektricitäts-Gesellschaft (1) · Patent DE-1916-10-07 Oscar Gerhardt (1) · Patent DE-1917-05-29-Detlev Zickler (1) · Patent FR-1913-456298 (1) · Patent HU-1917-73345 (1)
Related to aircraft:
1 (6) · Yes (17)
Patent agent:
None (21) · Herbert H. Thompson (1) · M. Zerolo (1)
Assigned to:
None (22) · Lawrence Sperry Aircraft Company (1)
National tech categories:
None (2) · AT 77d (1) · AT 78b (2) · DE 77 (1) · DE 77h.5 (1) · FR 15.2 (1) · HU V/h (14) · HU VII/a (1)
IPCs: (Click arrow to add another value)
CPCs:
None (22) · CPC B64C2700/6295 (1) · CPC B64C39/00 (1)
Family year:
1913 (1) · 1915 (6) · 1916 (7) · 1917 (7) · 1918 (2)
First filing:
None (5) · No (12) · Yes (6)
Cites these patents:
None (23)
Citations from after 1930:
None (23)
Number of text pages:
None (2) · 1 (1) · 2 (11) · 3 (7) · 4 (1) · 5 (1)
Number of claims:
None (2) · 1 - 2 (8) · 2 - 3 (5) · 3 - 8 (8)
Number of diagram pages:
None (4) · 1 (19)
Number of figures:
None (4) · 1 - 2 (4) · 2 - 4 (7) · 4 - 10 (8)

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