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PERKINS JULIUS A

Overview
  • Total Patents
    17
About

PERKINS JULIUS A has a total of 17 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, machines and transport are HYATT ROLLER BEARING CO, RKS and MOFFETT BEARING COMPANY.

Patent filings in countries

World map showing PERKINS JULIUS As patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing PERKINS JULIUS As patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Machines
#3 Transport
#4 Measurement

Top inventors

# Name Total Patents
#1 Perkins Julius A 17

Latest patents

Publication Filing date Title
US1254350A Bearing for rollers.
US1212551A Roller-bearing cage.
US1205387A Roller-bearing cage.
US1202576A Roller-bearing cage.
US1197059A Roller-bearing cage.
US1218311A Thrust-bearing.
US1218312A Thrust-bearing.
US1239619A Roller-bearing.
US1002443A Roller-bearing cage.
US1002442A Car journal-box.
US1002441A Roller-bearing.
US1002440A Roller-bearing.
US1002439A Roller-bearing.
US834933A End-thrust-resisting means for bearings.
US764203A Conometer.
US673220A Roller-bearing.
US732111A Roller-bearing.