Drilldown: Patents

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Patents > Office : BE or HU & Family year: 1917 & Number of claims: 2-4

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Year filed:
(There are no values for this filter)
Year granted:
1918 (3) · 1919 (8) · 1920 (7) · 1921 (1) · 1922 (1)
Office: (Click arrow to add another value)
Inventors:
None (10) · Detlev Zickler (1) · Emil Schimanek (2) · István Tóth (1) · Karl Otto Landgrebe (1) · László Rácz (1) · Mihály Bogyó (1) · Oscar Gerhardt (2) · Paul Willmann (1)
Inventor country:
AH (1) · AT (1) · DE (13) · HU (7) · RO (1)
Applicant person:
None (10) · Detlev Zickler (1) · Emil Schimanek (2) · István Tóth (1) · Karl Otto Landgrebe (1) · László Rácz (1) · Mihály Bogyó (1) · Oscar Gerhardt (2) · Paul Willmann (1)
Applicant firm:
None (9) · Armatura és Műszergyár Betéti-Társaság (1) · Gustav Heyde Mechan. U. Opt. Präzisions-Werkstätten (1) · Hofmannsche Luftfederung G.m.b.H. (1) · Luft Fahrzeug G.m.b.H. (2) · Luftschiffbau Schütte-Lanz (5) · Magyar Repülőgépgyár Résvénytársaság (1)
Applicant type:
COMPANY (9) · INDIV (10) · UNIV-PRO-GOV (1)
Applicant is inventor:
None (4) · No (5) · Yes (11)
Tech fields:
airship (7) · airplane (5) · Instrument (5) · design (3) · construction (3) · ICE (2) · lift (2) · Illumination (2) · aerodynamics (2) · gauge (2) · Equilibrium (2) · engine (2) · Subsystem (2) · pressure (2) · cylinder (2) · Altitude (2) · Altimeter (2) · piston (2)
Filing date:
1910 - 1919 (19) · 1960 - 1969 (1)
Full specification filed date:
None (20)
Application number:
None (13) · 74856 (1) · 75495 (1) · 76078 (1) · 76357 (1) · 76935 (1) · 76960 (1) · 78703 (1)
Grant date:
1918 (2) · 1919 (8) · 1920 (8) · 1921 (1) · 1922 (1)
Granted:
Yes (20)
Publication date:
1919 (9) · 1920 (9) · 1922 (1) · 1923 (1)
Supplementary to patent:
None (13) · Patent AT-1917-77075 (1) · Patent AT-1917-78502 (1) · Patent DE-1916-10-07 Oscar Gerhardt (1) · Patent DE-1917-02-16 Oscar Gerhardt (1) · Patent DE-1917-05-29-Detlev Zickler (1) · Patent HU-1917-06-25 Hofmannsche Luftfederung G.m.b.H. (1) · Patent HU-1917-73345 (1) · Patent HU-1917-76911 (1)
Related to aircraft:
1 (2) · Yes (18)
Patent agent:
None (20)
Assigned to:
None (20)
National tech categories:
HU V/h (17) · HU VII/a (2) · HU XIX/b (1)
IPCs:
None (20)
CPCs:
None (20)
Family year:
(There are no values for this filter)
First filing:
None (6) · No (9) · Yes (5)
Cites these patents:
None (20)
Citations from after 1930:
None (20)
Number of text pages:
2 (12) · 3 (8)
Number of claims:
2 (12) · 3 (5) · 4 (3)
Number of diagram pages:
None (1) · 1 (17) · 2 (2)
Number of figures:
None (1) · 1 - 2 (1) · 2 - 3 (4) · 3 - 5 (7) · 5 - 6 (7)

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