US3403786A
(en)
*
|
1966-08-25 |
1968-10-01 |
Improved Machinery Inc |
Rotary drum filter
|
US3485378A
(en)
*
|
1967-02-23 |
1969-12-23 |
Dorr Oliver Inc |
Rotary drum filter with interior filter panels
|
US3630380A
(en)
*
|
1969-08-28 |
1971-12-28 |
Dorr Oliver Inc |
Rotary vacuum drum filters
|
NL7804578A
(nl)
*
|
1978-04-28 |
1979-10-30 |
Amafilter Bv |
Inrichting voor het filtreren van vloeistoffen.
|
BR5900592U
(pt)
*
|
1979-04-30 |
1980-11-04 |
Voith Sa Maquinas Equip |
Filtro de tambor celular para desaguar suspensoes
|
DE3010682A1
(de)
*
|
1980-03-20 |
1981-10-01 |
Klöckner-Humboldt-Deutz AG, 5000 Köln |
Vakuum-doppeltrommelfilter
|
US4276169A
(en)
*
|
1980-04-10 |
1981-06-30 |
Dorr-Oliver Incorporated |
Drainage deck assembly for rotary vacuum drum filter
|
US4309288A
(en)
*
|
1980-08-07 |
1982-01-05 |
Exxon Research & Engineering Co. |
Rotary drum filter
|
US4383877A
(en)
*
|
1981-02-04 |
1983-05-17 |
Lavalley Industrial Plastics, Inc. |
Method of making an annular valve housing for a rotary drum filter
|
US4419165A
(en)
*
|
1981-02-04 |
1983-12-06 |
Lavalley Industrial Plastics, Inc. |
Method of making a rotary drum filter and method of making an annular valve housing for such a drum filter
|
US4370231A
(en)
*
|
1981-09-04 |
1983-01-25 |
Lavalley Industrial Plastics, Inc. |
Rotary drum filter
|
EP0094994B1
(en)
*
|
1982-05-21 |
1987-04-29 |
Exxon Research And Engineering Company |
Improved rotary drum filter
|
FI65829C
(fi)
*
|
1982-08-06 |
1984-07-10 |
Enso Gutzeit Oy |
Foerfarande foer tvaettning av cellulosa
|
US4505137A
(en)
*
|
1982-12-08 |
1985-03-19 |
Westvaco Corporation |
Apparatus for washing paper pulp
|
US4491501A
(en)
*
|
1982-12-08 |
1985-01-01 |
Westvaco Corporation |
Method for washing a fibrous particle mat with wash liquor having an impact energy sufficient to disrupt and rearrange the interstitial pore matrix
|
US4522716A
(en)
*
|
1983-02-04 |
1985-06-11 |
Lavalley Richard W |
Shower pipes for rotary drum filter
|
US4697292A
(en)
*
|
1983-02-04 |
1987-10-06 |
Lavalley Industrial Plastics, Inc. |
Shower pipes for rotary drum filter
|
US4670099A
(en)
*
|
1983-02-04 |
1987-06-02 |
Lavalley Industrial Plastics, Inc. |
Method and apparatus for washing a mat of pulp stock on a drum filter
|
US4608171A
(en)
*
|
1985-05-24 |
1986-08-26 |
Lavalley Industrial Plastics, Inc. |
Adjustable mounting for valve-discharge elbow of rotary drum filters
|
US4683059A
(en)
*
|
1985-05-24 |
1987-07-28 |
Lavalley Industrial Plastics, Inc. |
Vacuum breaker valve-discharge elbow assembly for rotary drum filters
|
US4608170A
(en)
*
|
1985-05-24 |
1986-08-26 |
Lavalley Industrial Plastics, Inc. |
Angularly adjustable breaker valve-discharge elbow for rotary drum filters
|
US4816169A
(en)
*
|
1987-04-10 |
1989-03-28 |
Lavalley Industries, Inc. |
Vacuum filter system and vacuum filter discharge flow assembly
|
US5053123A
(en)
*
|
1989-04-17 |
1991-10-01 |
Ingersoll-Rand Company |
Adjustable valve for varying filtrate composition from filters
|
FI86963C
(fi)
*
|
1989-07-06 |
1992-11-10 |
Ahlstroem Oy |
Anordning och foerfarande foer behandling av massa
|
FI89768C
(fi)
*
|
1989-07-06 |
1993-11-25 |
Ahlstroem Oy |
Filteringstrumma
|
US5028007A
(en)
*
|
1989-08-31 |
1991-07-02 |
Lavalley Industries, Inc. |
Shower pipe assembly
|
US5244572A
(en)
*
|
1991-12-06 |
1993-09-14 |
Lavalley Industries, Inc. |
Rotary drum filter with improved deck structure
|
US5308488A
(en)
*
|
1992-05-27 |
1994-05-03 |
Nelson Philip N |
Drum structure for corrugated type rotary filters
|
US5281343A
(en)
*
|
1993-04-20 |
1994-01-25 |
Ingersoll-Rand Company |
Vacuum filtration system and method of filtering pulp fibers from pulp slurry using the same
|
US5503737A
(en)
*
|
1994-07-25 |
1996-04-02 |
Ingersoll-Rand Company |
Air inflow restrictor for disc filters
|
US5683582A
(en)
*
|
1996-01-24 |
1997-11-04 |
Beloit Technologies, Inc. |
Air inflow restrictor for vacuum filters
|
US5914048A
(en)
*
|
1997-11-13 |
1999-06-22 |
Beloit Technologies, Inc. |
Adjustable control valve system for rotating disc filter and method of operating the system
|
US20040094469A1
(en)
*
|
2002-11-18 |
2004-05-20 |
Wen-Ta Hsieh |
High-effective squeeze vacuum dehydration machine
|
DE102004033328A1
(de)
*
|
2004-07-09 |
2006-02-09 |
Bhs-Sonthofen Gmbh |
Filter mit Feststoff-Resuspendierung
|
US7347916B2
(en)
*
|
2004-09-24 |
2008-03-25 |
Andritz Inc. |
Vacuum washer drum
|
SE528722C2
(sv)
*
|
2005-06-03 |
2007-01-30 |
Metso Paper Inc |
Anordning för behandling av cellulosamassa i en tvättapparat anordnad med en förstärkande spant
|
US7293659B2
(en)
*
|
2005-07-15 |
2007-11-13 |
Andritz Inc. |
Drum structure for rotary drum filtering apparatus and methods of using same
|
US8137568B2
(en)
*
|
2005-09-26 |
2012-03-20 |
Andritz Ltd. |
Rotary drum vacuum filter
|
US7708207B2
(en)
*
|
2006-01-18 |
2010-05-04 |
Andritz Inc. |
Wash liquid spray nozzles for pulp mat and method to assemble nozzle
|
US7780815B2
(en)
*
|
2006-10-13 |
2010-08-24 |
Andritz Inc. |
Gas free valve for pulp vacuum washer and method
|
US10857490B2
(en)
*
|
2014-08-11 |
2020-12-08 |
Bp Corporation North America Inc. |
Separation process having improved capacity
|
PT3578241T
(pt)
|
2018-06-05 |
2021-10-26 |
ANDRITZ Separation GmbH |
Tambor de filtragem para um dispositivo de filtragem por vacuo e/ou pressão
|
DK3578242T3
(da)
|
2018-06-05 |
2021-10-11 |
ANDRITZ Separation GmbH |
Vakuum- og/eller trykfiltreringsindretning til filtrering af en suspension
|
SE542326C2
(en)
*
|
2018-06-21 |
2020-04-14 |
Valmet Oy |
Vacuum filter
|
US11633681B2
(en)
|
2019-02-05 |
2023-04-25 |
Andritz Inc. |
Replaceable filter plate assembly for a rotary drum filter
|