a history of dorr-oliver - Dorr

A HISTORY OF DORR-OLIVER
1904
Dorr Company founded by Dr. John Van Norstrand
Dorr, 1872-1962. Began his career at 16 years of age
working in the laboratories of Thomas Alva Edison
1907
Oliver Company founded by Dr. Edwin Letz Oliver,
1878-1955. A Californian from San Francisco and a
graduate of the University of California
1914
The Sanitary District of Chicago installs a new
Machine called a Dorr Clarifier
1916
The first DORRCOTM Suction Pumps are built
1919
Oliver sells the first Lime Mud Washer and enters the
Pulp & Paper industry.
Dorr develops the washer and slurry mixer
1920
Oliver sells the first Pulp Washer for washing Soda
Pulp
Dorr develops the Cane Juice Clarifier and sells the
first one through a Representative in Havana Cuba
1921
Dorr develops the Olivite® Centrifugal Pump
1922
Oliver sells the first Sewage Filter
1923
Dorr develops Rectangular Clarifiers for Sewage
Treatment
FLSmidth Dorr-Oliver Eimc:o Inc:.
609 Hamilton Street, Suite 2, Allentown, PA 18101
Tel: 610-740-1015· Fax: 610-774-0233
dan.o ' connor@ f1 smidth .com
www.dorrolivereimco.com
ImlDTH
ORR-OLIVER EIMCO
1925
Oliver sell the first filter for Sugar Cane Mud to a mill
in Hawaii
Dorr develops Washing Tray Thickener and opens
overseas offices in Paris and Berlin
1927
Dorr designs the Detritor® for Sewage Degritting
1928
Develop and market the first Oliver-Campbell
Cane Mud Filter for Sugar Processing
Oliver acquires United Filter, and with it the
companies manufacturing facility in Hazleton, PA
1931
Dorr and Oliver merge.
Dorr establishes a facility in The Hague, Netherlands
1933
Dorr establishes representation in India
1934
Dorr and Oliver dissolve
1935
Dorr develops the Torq Thickener
1937
Oliver develops and markets the Precoat Filter
Dorr develops a combination Washing Type Tray
Thickener
1938
Dorr develops the Siaker
FLSmidth Dorr-Oliver Eimco Inc.
609 Hamilton Street, Suite 2, Allentown, PA 18101
Tel: 610-740-1015· Fax: 610-774-0233
dan.o 'connor@nsmidth.c:om
www.dorrolivereimco.com
1939 Oliver develops the ODS® Air Operated Diaphragm
Pump
1946 Dorr establishes representation in Venezuela
1947 Dorr-Oliver markets the WLF Sulzer Disintegrator.
First installation is Bergen/Dumont, NJ STP in 1948
1949 National Filter Media formed by consolidating two
Smaller companies to manufacture and market Filter
Media
1954 Dorr and Oliver merge for the second time
1955 Merrill Company acquired and adds the Merco®
Centrifuge
1965 Dorr-Oliver market the Gorator® under license
From Neidl, Germany
First two prototypes of the GN series sold to Du Pont
Washington, WV Polyvinyl Butal plant for plastic
laminate used in automobile safety glass. One
original unit replaced in Aug 2004
1968 Dorr-Oliver introduces the Cabletorq® Thickener
Curtis Wright acquires majority stock on Dorr-Oliver
1969/1970 1979 ODS® Spring Assist and Air Cylinder assist
introduced to the market
Curtis Wright completes acquisition of Dorr-Oliver
FLSmidth Dorr-Oliver Eimco Inc.
609 Hamilton Street, Suite 2, Allentown , PA 18101
Tel: 610-740-1015· Fax: 610-774-0233
dan.o 'connor@flsmidth .com
www.dorrolivereimco.com
R ElM
1981 Kennecott acquires Dorr-Oliver
Kennecott and SOHIO merge
1987 Contor Holdings, a Canadian company, acquires
Dorr-Oliver and Keeler Boiler
April, 1988 Leveraged buy-out by Dorr-Oliver management
May, 1995 Krause-Maffei, Germany acquires Dorr-Oliver
Sep,1999 GL&V, Montreal acquires Dorr-Oliver
Sep 2000 Hazleton, PA manufacturing closed
Nov, 2002
GL&V purchases Eimco, Salt Lake City, UT
Dorr-Oliver and Eimco are integrated
Aug, 2007
FLSmidth Minerals, Denmark (Bethlehem, PA
North American Headquarters) acquires
Dorr-Oliver Eimco
FLSmidth Dorr-Oliver Eimco Inc.
609 Hamilton Street, Suite 2, Allentown, PA 18101
Tel: 610-740-1015· Fax: 610-774-0233
dan.o'connor@ll midth.com
www.dorrolivereimco.com
HISTORICAL UPDATE 1904 -- John Van Norstrand founds Dorr Company.
1907 -- Edwin Letz Oliver founds Oliver Company.
1919 --
Oliver sells the first lime mud washer and enters the pulp and paper industry.
1919 -- DOff develops the washer and slurry mixer.
1920 -- Oliver sells the first pulp washer for washing soda pulp.
1920 -- DOff develops the cane juice clarifier and sells the first one through a
representative in Havana.
1921 -- Oliver develops the Olivite Centrifugal Pump and begins marketing it.
1922 -- Oliver sells the first sewage filters .
1923 -- DOff develops rectangular clarifiers for sewage treatment.
1925 --
Oliver sells the first filter for cane mud to a sugar mill in Hawaii.
1925 -- DOff develops washing tray thickener and opens overseas offices in Paris and
Berlin.
1927 -- DOff designs Detritor for sewage degritting.
1928 -- Oliver acquires United Filter, and with it the company's principal
manufacturing facility in Hazleton, Pennsylvania. Also develops and markets
first Oliver-Campbell cane mud filter for sugar processing.
1931 -- DOff establishes a facility in The Hague (now in Hoofddorp, The Netherlands).
1931 -- DOff and Oliver merge for first time.
1933 -- DOff establishes representation in India.
1934 -- The merger is dissolved.
HISTORICAL UPDATE
continued
1935 --
Dorr develops the Torq Thickener.
1937 -­
Oliver develops and markets the Precoat Filter.
1937 --
Dorr develops a combination washing type tray thickener.
1938 --
Dorr develops the slaker.
1939 -­
Oliver develops and markets the ODS® Pump (a diaphragm slurry pump).
1946 --
Dorr establishes representation in Venezuela.
1947 -­
Dorr-Oliver markets the WLF Sulzer Disintegrator.
BergenfieldlDumont, NJ STP May 1948.
1949 -­
National Filter Media Corporation formed by consolidating two smaller
companies to manufacture and market filter media.
1954 --
Dorr and Oliver companies merge for second time.
1956 --
Merrill Company (Merco centrifugals) is acquired.
1965 -­
Dorr-Oliver begins to market, the Gorator™ under license from George
Neidl. First installation DuPonts Polyvinyl Butal plant for plastic laminate
use in automobile safety glass.
1968 -­
Dorr-Oliver introduces the Cabletorq Thickener.
1968 --
Curtiss Wright acquires Majority ofDorr-Oliver stock.
1969170 -­
Spring Assist and Air Cylinder Assist ODS Pumps are introduced .
1979 -­
Curtiss-Wright completes acquisition ofDorr-Oliver stock.
1981 --
Kennecott acquires Dorr-Oliver.
1981 --
Kennecott and Sohio merge.
First installation
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HISTORICAL UPDATE
continued
1987 --
Contor Holdings acquires Dorr-Oliver and Keeler. 1988 --
Leveraged buyout by Dorr-Oliver management. 1991 --
ODS® Automatic Pressure Control System (Patented 5,252,041) is introduced. First installation Hershey Chocolate in Hazleton, Pennsylvania.
1995 --
Krauss-Maffei purchases DOlT-Oliver.
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