Learn more

PROCESS EVALUATION DEVEL

Overview
  • Total Patents
    102
About

PROCESS EVALUATION DEVEL has a total of 102 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, Brazil and Spain. Its main competitors in its focus markets textiles and paper, chemical engineering and machines are HALBZELLSTOFF IND AG F, CHONGQING LEE & MAN PAPER MFG and BIOPULPING INT INC.

Patent filings in countries

World map showing PROCESS EVALUATION DEVELs patent filings in countries

Patent filings per year

Chart showing PROCESS EVALUATION DEVELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Villavicencio Eduardo Joel 33
#2 Villavicencio E 11
#3 Villavicencio Eduardo J 10
#4 Arana Jorge Enrique 4
#5 Clarence Birdseye 4
#6 Joel E 2
#7 Mccloskey John T 2
#8 Farrelly Frank Williams 2
#9 Stuck Harold D 2
#10 Arana Jorge E 2

Latest patents

Publication Filing date Title
US4889591A Crotalaria juncea paper pulps
US4857145A Process for making a pulp from bamboo
US4689117A Thermomechanical digestion process for enhancing the brightness of cellulose pulp using bleachants
US4641792A Fiber depither
US4635322A Fiber washer
ES531732A0 A CONTINUOUS PROCESS FOR THE TRANSFORMATION OF PULP FIBERS SUITABLE FOR PAPER MANUFACTURE.
AU2540084A Continuous pulp digester
ZA8307926B Digestion process
ZA8307927B Thermomechanical digestion process using bleachants
ZA8307925B A process for producing newsprint and other paper
BR8004440A Process and system for selective processing of fibrous vegetable material
BR7907391A Process of treating fibrous vegetable materials containing spray and system to process fibrous vegetable materials containing spray
US4199399A Method for preparing bagasse dissolving pulps and producing rayon having a degree of polymerization of at least 800 therefrom
US4231136A Bagasse depithing
US4237582A Bagasse preparation
US3992754A Method for cleaning bagasse fiber using a U-shaped wash path
US3923591A Prehydrolysis and digestion of fibrous lignocellulosic material
US3877110A Cleaning apparatus
US3832278A Prehydrolysis and digestion of bagasse fibers
EG10654A Paper,pulp and pulping process