Assignee profile:

Andritz OY

City:

Helsinki

Country:

Finland

Published Applications:

99

Last publication date:

2024-09-26

Patent Grants:

92

Last grant date:

2025-11-11

Top Inventors for applications by Andritz OY

These are the the leading inventors for applications assigned to Andritz OY:

Recent patent applications by Andritz OY

Andritz OY based in Helsinki, FI has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2024-09-26 ✅ Patent 12,467,539 granted on 2025-11-11
US20240318725A1
Mechanical engineering

SEALING ARRANGEMENT

#2 | 2023-09-28 ✅ Patent 12,331,835 granted on 2025-06-17
US20230304582A1
Mechanical engineering

METHOD AND ARRANGEMENT FOR WASHER SEAL CONTROL

#3 | 2023-05-11 ✅ Patent 12,492,818 granted on 2025-12-09
US20230144517A1
Mechanical engineering

A METHOD FOR REDUCING COMBUSTION TEMPERATURE AND THERMAL RADIATION WITHIN A LIME KILN

#4 | 2023-02-02 ✅ Patent 12,173,798 granted on 2024-12-24
US20230034388A1
Mechanical engineering

Sealing arrangement for detecting thickness of a sealing element of a seal

#5 | 2023-01-26 ✅ Patent 12,479,876 granted on 2025-11-25
US20230023359A1
Chemistry; metallurgy

A method of removing volatile compounds from a lignin-containing material, use of a distillation method, and a lignin-containing material

#6 | 2022-12-15 ✅ Patent 12,195,918 granted on 2025-01-14
US20220396918A1
Textiles; paper

Automatic monitoring of smelt flow exiting a recovery boiler

#7 | 2022-11-10 ✅ Patent 12,379,104 granted on 2025-08-05
US20220357032A1
Mechanical engineering

A METHOD AND AN ARRANGEMENT FOR MEASURING MASS CHANGES OF HEAT EXCHANGERS OF A STEAM BOILER

#8 | 2022-08-25 ✅ Patent 12,298,004 granted on 2025-05-13
US20220268442A1
Mechanical engineering

Determining one or more proportional particle group shares in flue gas of a recovery boiler

#9 | 2022-07-14 ✅ Patent 12,134,859 granted on 2024-11-05
US20220220671A1
Textiles; paper

Determining the reduction rate of a recovery boiler

#10 | 2022-04-28 ✅ Patent 12,233,427 granted on 2025-02-25
US20220126307A1
Performing operations; transporting

Reject chamber of a centrifugal cleaner and a centrifugal cleaner

#11 | 2022-04-21 ✅ Patent 12,054,886 granted on 2024-08-06
US20220120035A1
Textiles; paper

Method for producing oxidized lignin in kraft pulp mill

#12 | 2022-04-07 ✅ Patent 12,331,460 granted on 2025-06-17
US20220106737A1
Textiles; paper

A method of replacing sodium losses in a pulp mill, a method of producing bleached cellulosic pulp, and a system

#13 | 2022-01-27 ✅ Patent 12,173,451 granted on 2024-12-24
US20220025578A1
Textiles; paper

Arrangement and method for degassing a pump

#14 | 2022-01-20 ✅ Patent 12,129,598 granted on 2024-10-29
US20220018067A1
Textiles; paper

Arrangement for installation of monitoring sensors of a treatment vessel for lignocellulosic material

#15 | 2022-01-06 ✅ Patent 11,993,895 granted on 2024-05-28
US20220002944A1
Textiles; paper

Method of feeding wood chips to a prehydrolysis reactor

#16 | 2021-07-08 ✅ Patent 11,584,804 granted on 2023-02-21
US20210206883A1
Chemistry; metallurgy

Method for producing cellulose carbamate

#17 | 2021-03-25 ✅ Patent 12,297,297 granted on 2025-05-13
US20210087299A1
Chemistry; metallurgy

Process for producing microcrystalline cellulose

#18 | 2021-02-11 ✅ Patent 11,560,943 granted on 2023-01-24
US20210041013A1
Mechanical engineering

Transmission wheel and a method for its mounting

#19 | 2020-07-16 ✅ Patent 11,325,160 granted on 2022-05-10
US20200222942A1
Performing operations; transporting

Separation device

#20 | 2020-06-11 ✅ Patent 11,725,341 granted on 2023-08-15
US20200181841A1
Textiles; paper

Method of treating fly ash of a recovery boiler

#21 | 2020-06-11 ✅ Patent 11,473,241 granted on 2022-10-18
US20200181838A1
Textiles; paper

Method of producing chemical pulp

#22 | 2019-08-08 ✅ Patent 11,255,046 granted on 2022-02-22
US20190242059A1
Textiles; paper

Screen assembly for pulp digesters and other treatment vessels in pulp production

#23 | 2019-05-02 ✅ Patent 10,982,388 granted on 2021-04-20
US20190127910A1
Textiles; paper

Method and arrangement for generating process steam

#24 | 2019-03-14 ✅ Patent 10,502,410 granted on 2019-12-10
US20190078773A1
Mechanical engineering

Arrangement of heat recovery surfaces of a recovery boiler

#25 | 2018-11-01 ✅ Patent 11,105,499 granted on 2021-08-31
US20180313531A1
Mechanical engineering

Heat recovery surfaces arrangement in a recovery boiler

#26 | 2018-05-17 ✅ Patent 11,219,881 granted on 2022-01-11
US20180133692A1
Performing operations; transporting

Method for regenerating catalysts used for production of polysulphide cooking liquors

#27 | 2017-10-12 ✅ Patent 10,676,395 granted on 2020-06-09
US20170291851A1
Chemistry; metallurgy

Method and arrangement for burning lime mud

#28 | 2017-09-14 ✅ Patent 10,240,287 granted on 2019-03-26
US20170260693A1
Textiles; paper

Heating of hydraulic digesters

#29 | 2017-06-29
US20170183818A1
Textiles; paper

A METHOD OF FEEDING A SEALING MEDIUM INTO A LIQUOR FILTER AND A LIQUOR FILTER

#30 | 2017-06-08 ✅ Patent 10,179,972 granted on 2019-01-15
US20170159238A1
Textiles; paper

Method for utilizing lignin separated from black liquor as lime-kiln fuel

#31 | 2017-01-19 ✅ Patent 10,329,713 granted on 2019-06-25
US20170016180A1
Textiles; paper

Method and arrangement for generating steam at a digester plant of a chemical pulp mill

#32 | 2016-10-06 ✅ Patent 9,719,209 granted on 2017-08-01
US20160289793A1
Chemistry; metallurgy

Method for leaching recovery-boiler ash

#33 | 2016-08-25 ✅ Patent 10,443,839 granted on 2019-10-15
US20160245510A1
Mechanical engineering

Method of reducing flue gas emissions and a boiler

#34 | 2016-08-18 ✅ Patent 10,160,706 granted on 2018-12-25
US20160237011A1
Chemistry; metallurgy

Process for removal of sulphur from raw methanol

#35 | 2016-04-28 ✅ Patent 10,132,495 granted on 2018-11-20
US20160116159A1
Mechanical engineering

Method and system for monitoring the mass changes of heat exchangers of a steam boiler

#36 | 2016-01-07 ✅ Patent 10,011,949 granted on 2018-07-03
US20160002853A1
Textiles; paper

Method for recovering chemicals and by-products from high-sulphidity pulping liquors

#37 | 2015-12-31
US20150377677A1
Physics

OPTICAL REMOTE SENSING SYSTEM FOR PROCESS ENGINEERING CONTROL

#38 | 2015-10-15 ✅ Patent 9,636,611 granted on 2017-05-02
US20150290566A1
Performing operations; transporting

Method for removing the precoat layer of a rotary filter

#39 | 2015-07-09 ✅ Patent 9,469,491 granted on 2016-10-18
US20150191317A1
Performing operations; transporting

Rotary feeder

#40 | 2015-07-02 ✅ Patent 9,562,323 granted on 2017-02-07
US20150184339A1
Textiles; paper

Recovery boiler plant of a chemical pulp mill

#41 | 2015-06-04 ✅ Patent 9,540,767 granted on 2017-01-10
US20150152600A1
Textiles; paper

Method for bleaching pulp

#42 | 2014-12-25 ✅ Patent 9,259,674 granted on 2016-02-16
US20140374363A1
Performing operations; transporting

Method and apparatus for reducing the thickness of a precoat layer of a disc filter

#43 | 2014-12-04 ✅ Patent 9,901,853 granted on 2018-02-27
US20140353260A1
Performing operations; transporting

Method and apparatus for washing pulp by means of intensified suction

#44 | 2014-10-30 ✅ Patent 9,573,140 granted on 2017-02-21
US20140319052A1
Performing operations; transporting

Closing valve unit for a cyclone

#45 | 2014-06-19 ✅ Patent 9,713,811 granted on 2017-07-25
US20140166794A1
Performing operations; transporting

Bottom grate of a crusher or drum chipper and method of producing the bottom grate

#46 | 2014-04-17
US20140102648A1
Textiles; paper

METHOD AND ARRANGEMENT FOR TREATING CHEMICAL PULP

#47 | 2014-02-13 ✅ Patent 9,643,885 granted on 2017-05-09
US20140044621A1
Chemistry; metallurgy

Method and arrangement for burning lime mud

#48 | 2013-12-26 ✅ Patent 8,992,729 granted on 2015-03-31
US20130340960A1
Textiles; paper

Method and arrangement for separating contaminants from liquids or vapors

#49 | 2013-11-28 ✅ Patent 9,096,382 granted on 2015-08-04
US20130313083A1
Performing operations; transporting

Protective cover for the discharge end of a conveyor

#50 | 2013-11-28
US20130313082A1
Performing operations; transporting

FRAME OF THE DISCHARGE END OF A CONVEYOR AND METHOD OF PRODUCING THE FRAME

#51 | 2013-08-08 ✅ Patent 8,721,840 granted on 2014-05-13
US20130199746A1
Textiles; paper

Apparatus for mixing a substance into a medium

#52 | 2013-04-18 ✅ Patent 8,950,584 granted on 2015-02-10
US20130092606A1
Performing operations; transporting

Apparatus for screening fibrous suspensions

#53 | 2012-11-15 ✅ Patent 9,234,737 granted on 2016-01-12
US20120290258A1
Mechanical engineering

Method for measuring and aligning a rotary cylindrical apparatus

#54 | 2012-11-08 ✅ Patent 8,815,053 granted on 2014-08-26
US20120279669A1
Textiles; paper

Method of treating liquid flows at a chemical pulp mill

#55 | 2012-09-20 ✅ Patent 10,391,428 granted on 2019-08-27
US20120234775A1
Performing operations; transporting

Pressure filter with a flow distributor and a method for washing the pressure filter

#56 | 2012-08-02 ✅ Patent 9,163,358 granted on 2015-10-20
US20120193050A1
Textiles; paper

Method and assembly for processing cellulose pulp of wood processing industry

#57 | 2012-07-26 ✅ Patent 9,310,075 granted on 2016-04-12
US20120186541A1
Mechanical engineering

Method of reducing flue gas emissions and a boiler

#58 | 2012-02-02 ✅ Patent 8,201,599 granted on 2012-06-19
US20120024426A1
Performing operations; transporting

Debarking mechanism and method

#59 | 2011-11-17 ✅ Patent 9,080,286 granted on 2015-07-14
US20110280762A1
Textiles; paper

Method in the treatment of odorous gases of a chemical pulp mill

#60 | 2011-10-06
US20110240783A1
Performing operations; transporting

METHOD AND ARRANGEMENT FOR IMPROVING THE FIXING ARRANGEMENT OF A CHIPPER BLADE

#61 | 2011-10-06 ✅ Patent 8,163,137 granted on 2012-04-24
US20110240243A1
Textiles; paper

Apparatus for cleaning and/or cooling a liquor gun in a chemical recovery boiler

#62 | 2011-04-28 ✅ Patent 8,381,899 granted on 2013-02-26
US20110094857A1
Performing operations; transporting

Apparatus for storing rolling material in a pile and reclaiming from the pile

#63 | 2011-04-21 ✅ Patent 8,387,778 granted on 2013-03-05
US20110088998A1
Performing operations; transporting

Apparatus for storing rolling material in a pile and reclaiming from the pile

#64 | 2011-04-07
US20110079492A1
Performing operations; transporting

AN APPARATUS FOR RECLAIMING ROLLING MATERIAL FROM A PILE

#65 | 2010-09-30 ✅ Patent 8,632,656 granted on 2014-01-21
US20100243184A1
Textiles; paper

Method for treating liquid flows at a chemical pulp mill

#66 | 2010-09-30 ✅ Patent 8,632,655 granted on 2014-01-21
US20100243183A1
Textiles; paper

Method in connection with the washing of pulp at a chemical pulp mill

#67 | 2010-09-09 ✅ Patent 8,632,657 granted on 2014-01-21
US20100224334A1
Textiles; paper

Method for treating liquid flows at a chemical pulp mill

#68 | 2010-05-27 ✅ Patent 8,157,966 granted on 2012-04-17
US20100126686A1
Textiles; paper

Apparatus for removing gas in connection with a paper machine or corresponding

#69 | 2010-04-29 ✅ Patent 8,640,634 granted on 2014-02-04
US20100101463A1
Textiles; paper

Combustion air system for recovery boilers, burning spent liquors from pulping processes

#70 | 2010-04-08 ✅ Patent 8,703,079 granted on 2014-04-22
US20100086476A1
Chemistry; metallurgy

Method for treating lime mud

#71 | 2010-02-18 ✅ Patent 8,252,141 granted on 2012-08-28
US20100041879A1
Textiles; paper

Method for recovering a low sodium content lignin fuel from black liquor

#72 | 2010-02-04 ✅ Patent 8,070,083 granted on 2011-12-06
US20100025191A1
Performing operations; transporting

Method and apparatus for processing logs

#73 | 2009-11-05 ✅ Patent 8,707,911 granted on 2014-04-29
US20090272339A1
Textiles; paper

Cooling system for ports in a boiler

#74 | 2009-07-30 ✅ Patent 7,951,263 granted on 2011-05-31
US20090188635A1
Textiles; paper

Method and apparatus for treating pulp

#75 | 2009-06-18 ✅ Patent 8,020,594 granted on 2011-09-20
US20090151817A1
Performing operations; transporting

Debarking mechanism

#76 | 2009-06-04 ✅ Patent 7,831,084 granted on 2010-11-09
US20090139468A1
Physics

Control of a recovery boiler or alike

#77 | 2009-04-02 ✅ Patent 8,328,021 granted on 2012-12-11
US20090084711A1
Performing operations; transporting

Apparatus for screening fibrous suspensions

#78 | 2009-03-19 ✅ Patent 8,048,270 granted on 2011-11-01
US20090071619A1
Textiles; paper

Apparatus for distributing a pulp flow

#79 | 2009-02-19 ✅ Patent 9,541,286 granted on 2017-01-10
US20090044767A1
Mechanical engineering

Method for expanding a chemical recovery boiler

#80 | 2009-02-12 ✅ Patent 8,157,967 granted on 2012-04-17
US20090038769A1
Textiles; paper

Arrangement in connection with screening apparatuses

#81 | 2009-01-15 ✅ Patent 7,988,820 granted on 2011-08-02
US20090014137A1
Textiles; paper

Method for cleaning and/or cooling a liquor gun in a chemical recovery boiler

#82 | 2008-11-27
US20080289782A1
Textiles; paper

RECOVERY PROCESS AND SYSTEM FOR A PULP MILL

#83 | 2008-08-21 ✅ Patent 8,052,839 granted on 2011-11-08
US20080196848A1
Textiles; paper

Apparatus and method for washing pulps

#84 | 2008-07-10 ✅ Patent 8,002,994 granted on 2011-08-23
US20080164222A1
Textiles; paper

Method and apparatus for thickening lime mud in a disc filter

#85 | 2008-02-12 ✅ Patent 7,328,808 granted on 2008-02-12
US10381243
-

Apparatus for sorting wood chips in separate fractions

#86 | 2008-01-24 ✅ Patent 7,931,152 granted on 2011-04-26
US20080017480A1
Performing operations; transporting

Shuffling apparatus and method for aligning wood logs in a conveyor

#87 | 2007-12-27 ✅ Patent 8,277,608 granted on 2012-10-02
US20070295462A1
Textiles; paper

Method for treating pulp in connection with the bleaching of chemical pulp

#88 | 2007-10-04 ✅ Patent 7,569,200 granted on 2009-08-04
US20070231231A1
Textiles; paper

Method for reducing nitrogen oxide emissions

#89 | 2007-05-24 ✅ Patent 7,628,964 granted on 2009-12-08
US20070116642A1
Chemistry; metallurgy

Apparatus for treating lime mud

#90 | 2007-04-24 ✅ Patent 7,207,280 granted on 2007-04-24
US10747293
-

Combustion air system for recovery boilers, burning spent liquors from pulping processes

#91 | 2007-04-12 ✅ Patent 7,556,071 granted on 2009-07-07
US20070079902A1
Performing operations; transporting

Debarking mechanism

#92 | 2006-12-05 ✅ Patent 7,143,899 granted on 2006-12-05
US10478330
-

Filter element and method for manufacturing the plates thereof

#93 | 2006-10-31 ✅ Patent 7,128,216 granted on 2006-10-31
US10380743
-

Closed air circulation system

#94 | 2006-10-26 ✅ Patent 7,640,750 granted on 2010-01-05
US20060236696A1
Textiles; paper

Apparatus and method for producing energy at a pulp mill

#95 | 2006-07-20 ✅ Patent 7,501,042 granted on 2009-03-10
US20060157087A1
Mechanical engineering

Method and arrangement in connection with a chemical recovery boiler

#96 | 2006-07-04 ✅ Patent 7,070,677 granted on 2006-07-04
US10415921
-

Method and apparatus for treating pulp with filler

#97 | 2006-04-27 ✅ Patent 7,267,146 granted on 2007-09-11
US20060086420A1
Performing operations; transporting

Chipper bed knife

#98 | 2005-12-27 ✅ Patent 6,978,899 granted on 2005-12-27
US10380881
-

Apparatus for sorting wood chips in separate fractions

#99 | 2005-11-17 ✅ Patent 7,661,376 granted on 2010-02-16
US20050252458A1
Textiles; paper

System for producing energy at a pulp mill

Also check out Andritz Oy's (Helsinki, Finland) applicant profile with 52 patent applications submitted.

AssigneeID:

18111 ⎘