AHLSTROM MACHINERY INC.

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR157
 
 
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 233
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 126
 
 
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 173

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,622,598 Chip pumping to a digesterApr 25, 95Apr 22, 97[D21C]18
5,547,012 Dissolved solids control in pulp productionSep 28, 93Aug 20, 96[D21C]17
5,628,873 Chip bin assembly including a hollow transition with one dimensional convergence and side reliefDec 30, 94May 13, 97[D21C]15
5,617,975 Chip feed systemJul 27, 95Apr 08, 97[B67D]15
5,813,758 Concentric ring fluidizing mixerDec 10, 93Sep 29, 98[B01F]13
5,795,438 Method and apparatus for feeding multiple digestersNov 04, 96Aug 18, 98[D21C]13
5,736,006 Method and apparatus for pulping with controlled heating to improve delignification and pulp strengthOct 10, 96Apr 07, 98[D21C]13
5,700,355 Chip feeding for a continuous digesterOct 24, 95Dec 23, 97[D21C, B65D]12
5,882,477 Continuous digester with a low temperature gas-phaseFeb 10, 97Mar 16, 99[D21C]11
5,635,026 Cooking cellulose material with high alkali concentrations and/or high pHNov 13, 95Jun 03, 97[D21C]8

Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6,174,411 Continuous digester with inverted top separatorNov 17, 98Jan 16, 01[D21C]
6,024,837 Low temperature gas phase continuous digesterJan 27, 98Feb 15, 00[D21C]
5,968,314 Chip feeding for a digesterOct 21, 97Oct 19, 99[D21C]
5,882,477 Continuous digester with a low temperature gas-phaseFeb 10, 97Mar 16, 99[D21C]
5,813,758 Concentric ring fluidizing mixerDec 10, 93Sep 29, 98[B01F]
5,795,438 Method and apparatus for feeding multiple digestersNov 04, 96Aug 18, 98[D21C]
5,779,856 Cooking cellulose material using high alkali concentrations and/or high pH near the end of the cookOct 24, 96Jul 14, 98[D21C]
5,736,006 Method and apparatus for pulping with controlled heating to improve delignification and pulp strengthOct 10, 96Apr 07, 98[D21C]
5,700,355 Chip feeding for a continuous digesterOct 24, 95Dec 23, 97[D21C, B65D]
5,674,359 Continuous cooking of cellulosic fibrous material with cold alkali impregnationFeb 08, 95Oct 07, 97[D21C]

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Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Prough J Robert
Glens Falls, NY
12
Stromberg C Bertil
Glens Falls, NY
10
Phillips Joseph R
Queensbury, NY
7
Marcoccia Bruno S
South Glens Falls, NY
6
Chasse R Fred
Queensbury, NY
5
Johanson Jerry R
San Luis Obispo, CA
5
Barrett Mark D
Glens Falls, NY
3
Bilodeau Victor L
Glens Falls, NY
3
Chamblee J Wayne
Not Provided
3
Greenwood Brian F
Glens Falls, NY
3