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RICHARDS WALTER J

Overview
  • Total Patents
    13
About

RICHARDS WALTER J has a total of 13 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States. Its main competitors in its focus markets engines, pumps and turbines, electrical machinery and energy and machine tools are Chenzhou dongtang electric equipment co ltd, COELBO CONTROL SYSTEM S L and GP COMPANIES INC.

Patent filings in countries

World map showing RICHARDS WALTER Js patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing RICHARDS WALTER Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richards Walter J 13
#2 Tolman Charles P 1

Latest patents

Publication Filing date Title
US822223A Automatic controller for pressure systems.
US858471A Controlling apparatus for pressure systems.
US858470A Fluid-pressure system.
US804344A Electrical switching apparatus.
US864990A Water-governor.
US858469A Fluid-pressure system.
US773523A Lubrication control for fluid-pressure apparatus.
US843033A Fluid-pressure regulator.
US821672A Automatic controller for motor-compressors.
US821747A Controlling apparatus.
US760565A Electrical switching apparatus.
US778333A Electric-current governor.
US708664A Commutator-brush holder.