Drilldown: Patents

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Patents > Grant date: 1894 & National tech categories : DE 77 or FR 6.3

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
DE (15) · FR (25)
Inventors:
Richard Czygan (3) · Hofmann (2)
Inventor country:
None (12) · AT (1) · CH (2) · DE (13) · FR (9) · IT (1) · RU (1) · US (1)
Applicant person:
None (23) · Armstrong (1) · August Riedinger (1) · Carl Bugkel (1) · D. N. Tchernouchenko (1) · De Szentmiklósy (1) · Ernst Meyer (1) · Franz F. C. Dähn (1) · Gadiffert (1) · Gentil (1) · Hans von Siegsfeld (1) · Hofmann (2) · Kellner (1) · Richard Czygan (2) · Stot (1) · Theodor Schneider-Preiswerk (1) · von Szenimklôsy (1) · Wilhelm van de Voorde (1)
Applicant firm:
None (40)
Applicant type:
None (25) · INDIV (15)
Applicant is inventor:
Yes (40)
Tech fields:
LTA (13) · propulsion (9) · balloon (5) · frame (5) · navigation (4) · propeller (4) · car (4) · Dirigible (3) · None (3) · airfoil (3) · airship (3) · LTA? (2) · ?? (2) · stability (2) · rudder (2) · construction(?), navigation(?) (2)
Filing date:
April 1893 (3) · May 1893 (3) · July 1893 (2) · August 1893 (1) · October 1893 (2) · November 1893 (1) · December 1893 (2) · March 1894 (1) · October 1894 (1)
Full specification filed date:
None (40)
Application number:
None (40)
Grant date:
January 1894 (2) · February 1894 (3) · March 1894 (4) · April 1894 (6) · May 1894 (1) · June 1894 (7) · July 1894 (4) · September 1894 (3) · October 1894 (4) · November 1894 (3) · December 1894 (3)
Granted:
Yes (40)
Publication date:
February 1894 (1) · June 1894 (1) · November 1894 (1) · December 1894 (1)
Supplementary to patent:
None (32) · Patent CH-1894-8396 (1) · Patent DE-1893-73799 (2) · Patent DE-1894-76727 (1) · Patent FR-1890-205155 (1) · Patent FR-1893-228892 (1) · Patent FR-1894-238040 (1) · Patent GB-1893-7712 (1)
Related to aircraft:
None (1) · 1 (9) · Yes (30)
Patent agent:
None (22) · Armengaud aîné (1) · Armengaud jeune (1) · Baumann (1) · Bert, boul. Saint-Denis, 7, Paris (1) · Blétry aîné (4) · Bonnet (2) · Caron (1) · Casalonga (1) · Chassevent (1) · Danzer (1) · la Société Internationale des Inventions modernes (1) · la Société Internationale des Inventions modernes, boul. Saint-Denis, 15 bis Paris (1) · Société Internationale des Inventions modernes (1) · Société Louis Gudman et Cie (1)
Assigned to:
None (40)
National tech categories: (Click arrow to add another value)
IPCs:
None (36) · IPC B64B1/00 (3) · IPC B64C33/02 (1)
CPCs:
None (33) · CPC B64B1/00 (5) · CPC B64C33/02 (2)
Family year:
None (3) · 1890 (1) · 1893 (13) · 1894 (23)
First filing:
None (12) · No (17) · Yes (11)
Cites these patents:
None (40)
Citations from after 1930:
None (40)
Number of text pages:
None (25) · 1 (7) · 2 (6) · 3 (2)
Number of claims:
None (31) · 1 (5) · 2 (2) · 3 (1) · 4 (1)
Number of diagram pages:
None (25) · 1 (12) · 2 (3)
Number of figures:
None (25) · 1 - 3 (4) · 3 - 6 (4) · 6 - 11 (7)

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