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PROIZV OB ESTONFOSFORIT

Overview
  • Total Patents
    13
About

PROIZV OB ESTONFOSFORIT has a total of 13 patent applications. Its first patent ever was published in 1984. It filed its patents most often in USSR (Union of Socialist Soviet Republics). Its main competitors in its focus markets environmental technology are KAWATETSU JOHO SYST KK, SHANGHAI BAOSTEEL INTERNAT ECONOMIC & TRADING CO LTD and KAWASAKI ENG KK.

Patent filings in countries

World map showing PROIZV OB ESTONFOSFORITs patent filings in countries
# Country Total Patents
#1 USSR (Union of Socialist Soviet Republics) 13

Patent filings per year

Chart showing PROIZV OB ESTONFOSFORITs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Bychek Nikolaj D 9
#2 Bychek Olga K 3
#3 Dombrovskij Evgenij A 2
#4 Pichugina Nina E 2
#5 Kholmogorov Vadim Ya 2
#6 Nikopenzius Petr A 2
#7 Zernitskij Viktor G 2
#8 Krylov Oleg T 2
#9 Berezin Grigorij G 1
#10 Fedorov Vladimir P 1

Latest patents

Publication Filing date Title
SU1659660A1 Method of hydraulic stripping flooded workable bed
SU1703822A1 Hydraulic mining of minerals from bottom of water basin
SU1721249A1 Method of underwater ground development
SU1694906A1 Suction device of dredge
SU1654469A1 Installation for simulating underwater mining processes
SU1550145A1 Method of mining mineral deposits
SU1513132A1 Method of preparing ore body to leaching
SU1510879A1 Gauze pressure filter for mixture
SU1566010A1 Method of building antifiltration screen in underground metal leaching
SU1611899A1 Method of absorption of fluor gases in supenphosphate production
SU1333672A1 Apparatus for automatic control of process of granulating straight powder superphosphate
SU1214582A1 Device for automatic controlling of process for burning sulfur
SU1271822A1 Method of producing silicon dioxide