Patent HU-1910-50318

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This patent makes reference to a previous patent filed 1909-02-25. We are still gathering material on this inventor. Patent AT-1910-47551 makes it clear that said priority dated patent is German and may be designated Patent DE-1909-02-25 Hugo Erdmann.


  • “Publication/disclosure” will be treated as “date granted”, for now. The “Megjelent (year). évi (month) hó (day)-én (or án)”, that is “Released (month) (day), (year)”, given on the original, is seemingly always later, and we do not know which legally constitutes the patent’s being “granted”. Fortunately, filing date data is clean and simple and consistent between the data page and the original.
  • the Szellemi Tulajdon Nemzeti Hivatala database in anglophone setting, choosing the Patent option, among the Advanced search on the left of the page, and using patent classification “V/h” as the keyword
  • Original .pdf drawn from Szellemi Tulajdon Nemzeti Hivatala database
  • (Virtual or direct analogue access to Szabadalmi Kőzlőny will facilitate the gathering of other data.)
  • Inventor location: Charlottenburg
  • Inventor occupation: Teacher, or Professor ; he has the title “Dr.”

Year filed 1910
Year granted 1910
Office HU
Patent number 50318
Inventors Hugo Erdmann
Inventor country DE
Applicant person Hugo Erdmann
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Eljárás és berendezés folyékony hidrogén alkalmazására a léghajózásban
English title Process and equipment for the use of liquid hydrogen in aviation, or perhaps rather aeronautics
Tech fields Airship, Fueling, Subsystem, Hydrogen
Filing date 1910-02-21
Full specification filed date
Application number 50318
Grant date 1910-11-15
Granted? Yes
Publication date 1910-12-05
Supplementary to patent Patent DE-1909-02-25 Hugo Erdmann
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories HU V/h
Family year 1909
First filing? 0
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 0
Number of figures 0
Number of claims 2