Learn more

NPSP HYDROPLAST OBRABOT METAL

Overview
  • Total Patents
    50
About

NPSP HYDROPLAST OBRABOT METAL has a total of 50 patent applications. Its first patent ever was published in 1983. It filed its patents most often in USSR (Union of Socialist Soviet Republics), German Democratic Republic and EPO (European Patent Office). Its main competitors in its focus markets machine tools and machines are PETKOV, PERRINS LTD and LITTELL MACHINE CO F J.

Patent filings per year

Chart showing NPSP HYDROPLAST OBRABOT METALs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Petkov Georgi K 18
#2 Petkov Georgi Kostov 16
#3 Metev Georgi M 6
#4 Petkov Georgi Kostov Dipl-Ing 5
#5 Metev Georgi Metev 5
#6 Botev Botyo P 5
#7 Deevski Stefan Kolev 4
#8 Botev Botjo Pentschev Dipl-Ing 4
#9 Georugi Kosutofu Petokofu 4
#10 Stoev Stamen Nedeltchev 4

Latest patents

Publication Filing date Title
JPS6257863A Device for hydromechanically grinding inner surface of raw part
SU1519865A1 Device for abrasive working of inner surfaces of workpieces
SU1493357A1 Apparatus for hydroplastic rotary pressing-out
US4480453A Apparatus for blast hydroplastic finishing of tubular billets
GB8328257D0 Apparatus for explosive deformation of tubular blanks
IT8349171D0 Apparatus for blast hydro:plastic finishing tubular billets
FR2553315A1 Hydroplastic blower finishing apparatus for tubular balls
SU1303223A1 Installation for explosion hydroplastic finishing of tubular billets
SE8304096D0 Device for explosive, hydro-plastic finishing of tube blanks
HUT37083A Device for hydroplastic forming raw tubes by blasting