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RIETZ MFG CO

Overview
  • Total Patents
    33
About

RIETZ MFG CO has a total of 33 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, chemical engineering and machine tools are GEORGE PORTEUS, DING JILAI and LEIYANG TENGSHENG ENVIRONMENTAL PROTECTION TECH DEVELOPMENT CO LTD.

Patent filings in countries

World map showing RIETZ MFG COs patent filings in countries

Patent filings per year

Chart showing RIETZ MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rietz Carl A 14
#2 Tapscott Jesse J 4
#3 Andersen Harold T 3
#4 Wilhelm Donald M 2
#5 Lewis Thomas E 2
#6 Enochian Warren S 2
#7 Johnson Frank E 2
#8 Andersen Harold J 1
#9 W Wilhelm Donald 1
#10 Austin Rietz Carl 1

Latest patents

Publication Filing date Title
US3892173A Horizontal screw press
GB1325283A Apparatus for material fluffing delumping pulping or blending
CA950449A Agitator with a stacked-disc rotor and stationary wall projections
US3671019A Apparatus for material fluffing
FR1540552A Continuous operating liquid extraction press
US3506021A Discharge apparatus for processing equipment
US3447450A Continuous press
US3273257A Air lift drier
US3176966A Blending apparatus
US3181840A Mixing apparatus
US3083634A Apparatus for processing juicy food products
FR1289762A Installation for the continuous distribution of sugar cane
GB919923A Process for the recovery of sugar from sugar cane by continuous diffusion and apparatus therefor
US3036921A Method of processing foodstuffs
US2991503A Breaking, mixing, and extrusion apparatus
US2971551A Prebreaker
US2811448A Wine making process
US2738932A Preliminary disintegrating machine particularly adapted to size reduce wood blocks, rubber tires and the like
US2761657A Hollow screw rotary heat exchanger
US2682374A Inclined axis rotary hammer and screen disintegrator with plural discharge structures