Ivan Dimitrov Enchev

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Plovdiv, BG

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing sulphur trioxide
- Patent number 5,624,653
- Issue date Apr 29, 1997
- Institute of Chemical Engineering at Bulgarian Academy of Sciences
- Georgy Grozev
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for electric refining of lead
- Patent number 4,966,624
- Issue date Oct 30, 1990
- Institute Po Tzvetna Metalurgia
- Ivan D. Enchev
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Apparatus for the mechanical separation of cathode metal from a matrix
- Patent number 4,264,405
- Issue date Apr 28, 1981
- Institute po Tzvetna Metalurgia
- Peter I. Petrov
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electric system for electric extraction of non-ferrous metals from...
- Patent number 4,105,527
- Issue date Aug 8, 1978
- Nipki po Tzvetna Metalurgia
- Ivan D. Enchev
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for electric extraction of non-ferrous metals from their sol...
- Patent number 4,024,035
- Issue date May 17, 1977
- Nipki po Tzvetna Metalurgia
- Ivan Dimitrov Enchev
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR ZINC ELECTROWINNING FROM SULFATE SOLUTIONS
- Publication number 20130319877
- Publication date Dec 5, 2013
- KCM '2000' AD
- Ivan Enchev
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR