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SELF RICHARD E

Overview
  • Total Patents
    17
About

SELF RICHARD E has a total of 17 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States, Canada and Spain. Its main competitors in its focus markets mechanical elements and machines are RKL CONTROLS, OLSEN ERLING and HARTMAN THOMAS A.

Patent filings in countries

World map showing SELF RICHARD Es patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 5
#3 Spain 1

Patent filings per year

Chart showing SELF RICHARD Es patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Self Richard E 16

Latest patents

Publication Filing date Title
CA1008338A High energy loss vortex fluid control device
US3921668A High energy loss rolled strip fluid control device
US3954124A High energy loss nested sleeve fluid control device
US3689026A Plug valve
US3513864A High pressure fluid control means
US3514074A High energy loss fluid control
US3451404A High energy loss fluid control
US3473783A High-flow capacity balanced spindle valve
US3410524A Control valve
US3430658A Flow control valve
US3290002A Flow control valve
US2951470A Oscillating actuator
CA840852A Valve
CA866001A High energy loss fluid control
CA839108A Control valve