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APPEL SEMEN G

Overview
  • Total Patents
    45
About

APPEL SEMEN G has a total of 45 patent applications. Its first patent ever was published in 1978. It filed its patents most often in USSR (Union of Socialist Soviet Republics) and Russian Federation. Its main competitors in its focus markets engines, pumps and turbines and mechanical elements are ELETTROMECCANICA S P A, Qingdao wanbao compressor co ltd and JIAXIPERA COMPRESSOR CO LTD.

Patent filings in countries

World map showing APPEL SEMEN Gs patent filings in countries

Patent filings per year

Chart showing APPEL SEMEN Gs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Springs
#2 Pumps

Top inventors

# Name Total Patents
#1 Appel Semen G 45
#2 Appel Mark S 15
#3 Vishnyakova Irina V 2
#4 Trofimov Lev N 2
#5 Chukhlov Vladimir D 1
#6 Frolov Georgij A 1
#7 Bochenkov Aleksandr G 1
#8 Ugrevskij Aleksej V 1

Latest patents

Publication Filing date Title
RU1837129C Method of tuning away from resonance frequency of operating rotor of machine
RU1789752C Piston vacuum pump
RU1807258C Device for accelerated testing of vacuum gates with a motorized drive
RU1786121C Method for unstressing articles
SU1761451A1 Method for centrifuge rotor strain hardening
RU1788329C Test stand for rotary pumps
SU1750931A1 Method of hardening parts
SU1760181A1 Diffusion pump
SU1714227A1 Device for accelerating test of vacuum valves
SU1691547A1 Vacuum piston pump
SU1694369A1 Method of strengthening rotor of centrifugal machines
SU1698480A2 Piston vacuum pump
SU1707246A1 Rotary vacuum pump
SU1629621A1 Hollow machine rotor discharging method
SU1643802A1 Method of tuning out resonant frequency of rotor of machine
SU1753059A2 Fluid-drop type diffusion pump
SU1652675A1 Diffusion pump
SU1645672A1 Device for testing magnetic vacuum valves
SU1504359A2 Piston-type vacuum pump
SU1548532A1 Method of adjusting hollow rotor of machine against resonance