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KVAERNER PULPING TECH

Overview
  • Total Patents
    1,041
About

KVAERNER PULPING TECH has a total of 1,041 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Sweden, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets textiles and paper, chemical engineering and machines are METSO FIBER KARLSTAD AB, DOBSON FREDERICK WILLIAM and ANDRITZ AHLSTROM INC.

Patent filings per year

Chart showing KVAERNER PULPING TECHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Snekkenes Vidar 180
#2 Gustavsson Lennart 139
#3 Ekholm Rolf 114
#4 Jansson Ulf 99
#5 Stigsson Lars 51
#6 Tibbling Petter 49
#7 Nilsson Erik 47
#8 Ragnar Martin 47
#9 Olausson Lars 42
#10 Bergqvist Anders 41

Latest patents

Publication Filing date Title
BRPI0700247A method for chip impregnation in a continuous digestion system
WO2007078247A1 A process for the manufacture of peracetic acid and a method to bleach chemical pulp with peracetic acid
WO2006121400A1 Insert tube and a system of insert tubes
WO2006101449A1 Arrangement for feeding a slurry of chips and liquid
WO2006091140A1 Method for treatment of bleached chemical pulp
WO2006071165A1 A method for oxygen delignification of cellulose pulp at high pressure in several steps
WO2006071164A1 Method for oxygen delignification of cellulose pulp at high pressure
WO2006001758A1 Method and arrangement for impregnation of chips
WO2005116329A1 Method and device for cleaning of filter
SE0501117L Medium consistency pulp supply arrangement, comprises pulp feed pipe with slanting entrance located next to outlet from diluent liquid supply pipe in bottom of storage tower
SE0403202D0 Continuous alkaline oxygen gas delignification of pulp, uses reactor system divided into high and low pressure runs
WO2005064078A1 Feed of a mixture of chips and fluid from a low-pressure system to a high-pressure system
WO2005061781A1 Device and method withdrawing cellulose pulp from a container
WO2005056919A1 A method and system for controlling the addition of oxygen gas and alkali during oxygen gas delignification
US7156952B2 Method and arrangement for oxygen delignification of cellulose pulp
BRPI0408171A method for bleaching pulp pulp in a first chlorine dioxide bleaching step
SE0400253D0 Continuous cooking process with improved heat economy
CA2514698A1 Method for washing pulp in a bleaching line
BR0302428A Method for continuous pulp cooking
AU2003243092A1 A method and a digester for the continuous cooking of wood raw material to cellulose pulp