Learn more

ZHELEV

Overview
  • Total Patents
    43
About

ZHELEV has a total of 43 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Bulgaria. Its main competitors in its focus markets environmental technology are OTAKE TOUSHIROU, VANWARD GROUP CO LTD and XU GUOQIN.

Patent filings in countries

World map showing ZHELEVs patent filings in countries
# Country Total Patents
#1 Bulgaria 43

Patent filings per year

Chart showing ZHELEVs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zhelev 40
#2 Krstev 10
#3 Radenkova 3
#4 Zheleva 2
#5 Khristov 2
#6 Modev 2
#7 Georgieva 2
#8 Karagozov 2
#9 Jjonchev 2
#10 Protokhristov 2

Latest patents

Publication Filing date Title
BG99433A Method and device for recording and reading of multistage multi-media protection
BG98943A Method for the synthesis of resol phenolformaldehyde resing
BG60221B2 Method for preparing fuel for steam boilers for incinerators from carcass (?) fat and masout
BG42383A1 Method for manufacture of antiserum against toxic peptides isolated from amanita phalloides
BG42262A1 Conjugate of beta- amanitine and concanavaline a and method for its preparation
BG42220A1 Method for electric arc welding of steels with overequilibrium nitrogen content
BG41842A1 Method for simultaneous treatment of femuro- thibial and femuro- patelaric artrose
BG40742A1 Composition for manufacture of punched layered plastics
BG40345A1 Method for treating pes planovalgus
BG40870A1 Method for preparing unsaturated oligoesterimides
BG39937A1 Sensor for robot position
BG39429A1 Method for dielectrophorese
BG38752A1 Control device for liquid level in capillary tube
BG37882A1 Device for hydroplastic processing of long tubes
BG37600A1 Binding composition for bandage materials
BG38535A1 Device for driving cart railway vehicles
BG36912A1 Device for axial moving forward and regulating of friction disk position in releasing the brake
BG36400A1 Cable conducting circuit
BG40015A1 External fixator for compressive ostheosynthesis in case of high ostheothemy of thibia
BG35311A1 Brake driving device