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RUTH JOSEPH P

Overview
  • Total Patents
    39
About

RUTH JOSEPH P has a total of 39 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States and Canada. Its main competitors in its focus markets environmental technology, chemical engineering and foods and drinks are HJS FAHRZEUGTECHNIK GMBH & CO, SANTOS A and AIRFLOW CATALYST SYSTEMS INC.

Patent filings in countries

World map showing RUTH JOSEPH Ps patent filings in countries
# Country Total Patents
#1 United States 33
#2 Canada 6

Patent filings per year

Chart showing RUTH JOSEPH Ps patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ruth Joseph P 39

Latest patents

Publication Filing date Title
US2997798A Jolter adjunct for scraper-loader units
US2998308A Gas treating apparatus
US2919121A Mining and excavating machine of the rotary type
US2874947A Mining machine having crankshaft operated ripper means
US2876080A Apparatus for treating gases
US2933368A Method of treating exhaust gases of internal combustion engines
US2849295A Exhaust gas conditioner
US2908596A Continuous sub-atmospheric diffusion of sugar
US2876143A Sugar diffusing apparatus
US2836519A Sugar diffusing apparatus
US2878107A Engine exhaust gas treatment apparatus
US2849294A Exhaust gas conditioner
US2877098A Apparatus for conditioning exhaust gases from internal combustion engines
US2785962A Exhaust gas conditioner
US2785963A Exhaust gas conditioner
US2798709A Mining machine of the rotary type having reciprocating impact means
US2776873A Air lift pump
US2773735A Exhaust gas conditioning method
US2754182A Exhaust gas conditioner
US2846955A Axle journal coupling for locomotives