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LEYBOLD HOCHVAKUUM ANLAGEN

Overview
  • Total Patents
    150
About

LEYBOLD HOCHVAKUUM ANLAGEN has a total of 150 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets chemical engineering, foods and drinks and electrical machinery and energy are JIANGSU BOSIWEI CHEMICAL EQUIPMENT ENG CO LTD, CHONGQING TIANKAI PHARMACEUTICAL CO LTD and Wuxi shangde drying equipment co ltd.

Patent filings in countries

World map showing LEYBOLD HOCHVAKUUM ANLAGENs patent filings in countries
# Country Total Patents
#1 Germany 75
#2 France 46
#3 United Kingdom 19
#4 United States 6
#5 Belgium 3
#6 Spain 1

Patent filings per year

Chart showing LEYBOLD HOCHVAKUUM ANLAGENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hackenberg Dr Med Ulrich 14
#2 Nerge Dipl-Ing Wilhelm 14
#3 Oetjen Dr Rer Nat Georg-Wilhel 12
#4 Oetjen Georg-Wilhelm 11
#5 Neumann Dr Med Karlheinz 8
#6 Eilenberg Hanns 7
#7 Hackenberg Ulrich 7
#8 Nerge Wilhelm 7
#9 Kautz Kurt 6
#10 Fauser Friedrich 6

Latest patents

Publication Filing date Title
GB1084380A Apparatus for drying frozen particulate material
GB1104878A A method of and apparatus for freeze drying material
GB1078473A Improvements in or relating to the drying and impregnating of insulated cables
DE1220616B Method and device for separating the fission products formed after use in a nuclear reactor
GB1023599A Monoglycerides of fatty acids
GB1047969A Improvements in or relating to cream
GB1048461A Improvements in or relating to ejector pumps
GB1042081A Improvements relating to the freeze drying of materials
GB1041728A Improvements in or relating to freeze drying frozen substances, and apparatus therefo
GB1030132A Improvements relating to the production of dispersions
GB1046581A Improvements relating to freeze drying
GB1024866A Improvements relating to freeze drying
ES283673A1 A procedure for drying by freezing bulk materials (Machine-translation by Google Translate, not legally binding)
GB995930A Method of freeze drying
GB918561A Vacuum impregnation of cables
US3077036A Temperature responsive freeze drying method and apparatus
DE1222091B Method and device for degassing molten metals, in particular steel
DE1184785B Device for multi-stage degassing of molten metals, especially molten steel
DE1159901B Device for fractional distillation under vacuum
GB868397A A cover for an annular tank