Patent Assignment
Reel/Frame 012199/0762
Assignment of Assignor's Interest
Recorded: 2001-09-27
Pages: 4
Assignor
A. AHLSTROM CORPORATION
Executed: 2001-06-25
Assignee
SULZER PUMPS LTD.
CH-8401, ZURCHERSTRASS 12, WINTERTHUR, CH-84, SWITZERLAND
Covered Properties
(36)
Method and Apparatus for Pumping Fiber Suspensions
Patent:
4,435,122 →
Application:
06/239,427 →
Method and Apparatus for Pumping Fibre Suspensions
Patent:
4,780,053 →
Application:
06/848,754 →
Attaching Arrangement
Patent:
4,863,353 →
Application:
07/121,539 →
Method and Apparatus for Pumping Fibre Suspensions
Patent:
4,854,819 →
Application:
07/131,128 →
Method and Apparatus for Separating Solids from a Solids-Gas Mixture
Patent:
4,877,424 →
Application:
07/160,669 →
Method and Apparatus for Pumping High-Consistency Fiber Suspension
Patent:
4,884,943 →
Application:
07/209,634 →
Method and Apparatus for Pumping High Consistency Pulp
Patent:
5,058,615 →
Application:
07/214,328 →
Pump and a Method of Separating Gas by Such from a Fluid to Be Pumped
Patent:
4,921,400 →
Application:
07/216,009 →
Fluidizing Centrifugal Pump
Patent:
4,877,368 →
Application:
07/268,599 →
Centrifugal Pump Structure
Patent:
4,900,224 →
Application:
07/323,342 →
Method and Apparatus for Separating Gas with a Pump from a Medium Being Pumped
Patent:
5,019,136 →
Application:
07/336,208 →
Pump for and Method of Separating Gas from a Fluid to Be Pumped
Patent:
4,981,413 →
Application:
07/344,306 →
Method and Apparatus for Pumping High Consistency Medium
Patent:
4,971,519 →
Application:
07/366,699 →
Apparatus for Pumping High Consistency Fiber Suspension
Patent:
5,000,658 →
Application:
07/372,526 →
Pump with Separate Fluidizing Vaned Shaft Adjacent Impeller
Patent:
4,976,586 →
Application:
07/381,067 →
Mixer
Patent:
5,040,899 →
Application:
07/521,318 →
Method and Apparatus for Dividing Flow of High-Consistency Fiber Suspension
Patent:
5,228,829 →
Application:
07/551,398 →
Liquid Ring Pump Having Tapered Blades and Housing
Patent:
5,078,573 →
Application:
07/579,402 →
Centrifugal Pump with Sealing Means
Patent:
5,114,310 →
Application:
07/579,403 →
Centrifugal Pump
Patent:
5,152,663 →
Application:
07/579,404 →
Combined Centrifugal and Vacuum Pump
Patent:
5,151,010 →
Application:
07/579,405 →
Centrifugal Pumping Apparatus
Patent:
5,116,198 →
Application:
07/579,406 →
Method of and an Apparatus for Separating Gas from a Suspension
Patent:
5,141,535 →
Application:
07/650,032 →
Apparatus for Separating Gas with a Pump from a Medium Being Pumped
Patent:
5,167,678 →
Application:
07/686,121 →
Apparatus and Method for Pumping a Liquid
Patent:
5,324,166 →
Application:
07/737,225 →
Method of and Apparatus for Separating Heavy Impurities from Fiber Suspensions in Connection with Pumping
Patent:
5,323,914 →
Application:
07/778,814 →
Apparatus for Pumping Gas-Containing Fiber Suspensions
Patent:
5,711,789 →
Application:
08/135,858 →
Method of Deaerting and Pumping a Fiber Suspension Prior to Washing
Patent:
5,403,442 →
Application:
08/159,047 →
Apparatus for the Discharge of a Mass Tower
Patent:
5,538,597 →
Application:
08/163,088 →
High Consistency Pulp Tower with a Parting Member and the Introduction of Dilution Liquid
Patent:
5,711,600 →
Application:
08/475,997 →
Method and Apparatus for Pumping Cellulose Pulp
Patent:
5,851,350 →
Application:
08/771,064 →
Gas Separation Control in a Centrifugal Pump Vacuum Pump
Patent:
5,842,833 →
Application:
08/784,074 →
Method and Apparatus for Filling a Pulp Tower
Patent:
6,098,658 →
Application:
09/171,173 →
Method and Apparatus for Mixing Pulp Suspension with a Fluid Medium with a Freely Rotatable Mixing Rotor
Patent:
6,193,406 →
Application:
09/194,358 →
Control System for a Vacuum Pump Used for Removing Liquid and a Method of Controlling Said Pump
Patent:
6,592,340 →
Application:
09/719,308 →
Method and apparatus for mixing a second medium with a first medium
Application:
09/757,479 →
Publication:
US 2001/0006484
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 2, 1981
From: NISKANEN TOIVO; SUNDMAN FREY; TUOMAALA JORMA
To: A. AHLSTROM OSAKEYHTIO
Reel/Frame 003870/0747 →
Assignment of Assignors Interest.
Feb 10, 1984
From: A. AHLSTROM OSAKEYHTIO A CORP. OF FINLAND
To: KAMYR AB, KNUT DAHLS VAG
Reel/Frame 004220/0088 →
Assignment of Assignors Interest.
May 30, 1986
From: GULLICHSEN, JOHAN
To: A. AHLSTROM CORPORATION, A CORP. OF FINLAND
Reel/Frame 004574/0688 →
Assignment of Assignors Interest.
Mar 7, 1988
From: MANNINEN, HEIKKI
To: A. AHLSTROM CORPORATION
Reel/Frame 004855/0304 →
Assignment of Assignors Interest.
Jun 21, 1988
From: NISKANEN, TOIVO
To: A. AHLSTROM CORPORATION
Reel/Frame 004902/0392 →
Assignment of Assignors Interest.
Jul 6, 1988
From: NISKANEN, TOIVO
To: A. AHLSTROM CORPORATION, A CORP. OF FINLAND
Reel/Frame 004922/0664 →
Assignment of Assignors Interest.
Jul 11, 1988
From: TIMPERI, JUKKA; VESALA, REIJO; VIKMAN, VESA
To: A. AHLSTROM CORPORATION, SF-29600 NOORMARKKU, FINLAND, A CORP. OF FINLAND
Reel/Frame 004936/0148 →
Assignment of Assignors Interest.
Dec 9, 1988
From: TIMPERI, JUKKA; VESALA, REIJO; VIKMAN, VESA
To: A. AHLSTROM CORPORATION, 29600 NOORMARKKU, FINLAND, A CORP. OF FINLAND
Reel/Frame 004998/0430 →
Assignment of Assignors Interest.
May 24, 1989
From: TIMPERI, JUKKA; VESALA, REIJO
To: A. AHLSTROM CORPORATIO
Reel/Frame 005092/0909 →
Assignment of Assignors Interest.
May 25, 1989
From: ELONEN, JORMA; TIMPERI, JUKKA; VESALA, REIJO; VIKMAN, VESA
To: A. AHLSTROM CORPORATION, A CORP. OF FINLAND
Reel/Frame 005085/0112 →
Assignment of Assignors Interest.
Jun 7, 1989
From: ELONEN, JORMA; TIMPERI, JUKKA; VESALA, REIJO; VIKMAN, VESA
To: A. AHLSTROM CORPORATION
Reel/Frame 005115/0628 →
Assignment of Assignors Interest.
Jul 17, 1989
From: TIMPERI, JUKKA; VESALA, REIJO; VIKMAN, VESA
To: A. AHLSTROM CORPORATION, A FINNISH CORP.
Reel/Frame 005129/0651 →
Assignment of Assignors Interest.
Aug 23, 1989
From: RICHTER, JOHAN C. F. C.; RICHTER, OLE J.
To: KAMYR AB, KARLSTAD
Reel/Frame 005124/0271 →
Assignment of Assignors Interest.
Jun 21, 1990
From: KOSKINEN, OLAVI
To: A. AHLSTROM CORPORATION, A FINNISH CORP.
Reel/Frame 005397/0098 →
Assignment of Assignors Interest.
Sep 13, 1990
From: VOITTO, REPONEN; JUKKA, TIMPERI; REIJO, VESALA; VESA, VIKMAN
To: A. AHLSTROM CORPORATION, A FINNISH CORP.
Reel/Frame 005430/0766 →
Assignment of Assignors Interest.
Sep 17, 1990
From: PERKOLA, MARKKU; SEPPA, ILKKA
To: A. AHLSTROM CORPORATION, A FINNISH CORP.
Reel/Frame 005435/0025 →
Assignment of Assignors Interest.
Oct 29, 1990
From: PEROAHO, TAPIO; VIKMAN, VESA; VESALA, REIJO
To: A. AHLSTROM CORPORATION, A CORP. OF FINLAND
Reel/Frame 005483/0567 →
Assignment of Assignors Interest.
Oct 29, 1990
From: VESALA, REIJO
To: A. AHLSTROM CORPORATION
Reel/Frame 005504/0665 →
Assignment of Assignors Interest.
Oct 29, 1990
From: VIKMAN, VESA; VESALA, REIJO; PEROAHO, TAPIO
To: A. AHLSTROM CORPORATION, A CORP OF FINLAND
Reel/Frame 005483/0563 →
Assignment of Assignors Interest.
Oct 29, 1990
From: VESALA, REIJO
To: A. AHLSTROM CORPORATION, A CORP. OF FINLAND
Reel/Frame 005487/0175 →
Assignment of Assignors Interest.
Apr 1, 1991
From: ELONEN, JORMA; LEHTINEN, JOUNI
To: A. AHLSTROM CORPORATION, A CORP OF FINLAND
Reel/Frame 005664/0245 →
Assignment of Assignors Interest.
Jun 24, 1991
From: HAAVIK, HAROLD; PEROAHO, TAPIO; VESALA, REIJO; VIKMAN, VESA
To: A. AHLSTROM CORPORATION
Reel/Frame 005743/0832 →
Assignment of Assignors Interest.
Sep 9, 1991
From: ELONEN, JORMA; HENRICSON, KAJ; MANNINEN, HEIKKI
To: A. AHLSTROM CORPORATION A FINNISH CORPORATION
Reel/Frame 005828/0631 →
Change of Name
Dec 7, 1994
From: KAMYR AB
To: KVAERNER PULPING TECHNOLOGIES AB
Reel/Frame 007232/0145 →
Assignment of Assignor's Interest
Sep 1, 1998
From: KVAERNER PULPING AKTIEBOLAG
To: A. AHLSTROM CORPORATION, A CORPORATION OF FINLAND
Reel/Frame 009662/0871 →