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1943 |
Stone Industrial Corporation
S.W. Briggs & W.A. Brazerol developed pleated paper filter cartridges to replace
waste cotton sock type filters used in diesel locomotives
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1949 |
Stone Filter Co. Created as a subsidiary of S.I.C. to supply EMD and a few railroads
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1971 |
J.L. Clark Manufacturing Co. Purchased S.I.C. (College Park, MD)
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1974 |
Stone Filter Subsidiary Moved to Lancaster, PA (present location) and was named
Paper Products Division of J.L. Clark
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1987 |
J.L. Clark Manufacturing Co. renamed CLARCOR, Paper Products Division renamed Clark
Filter
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1992 |
CLARCOR acquired the assets of M & J Diesel Locomotive Filter Co. (Chicago) and
moved them to Lancaster to expand Clark Filter
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1993 |
CLARCOR acquired Guardian/United Engine Life Filtration Co. (Louisville, KY) and
transferred all lube & fuel filter production and sales to Clark Filter
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1994 |
Moved railroad air filtration poducts from U.E.L. to Lancaster to expand Clark Filter
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1995 |
Moved all roll-pack (sock type) production and sales from U.E.L. to Clark Filter
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1996 |
Airguard and Clark set-up fiberglass "baggie" line to supply Engine Guard air intake
filters for railroads worldwide
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1997 |
Baldwin helped FIBAMEX and Clark establish Mexico City production to serve the Mexican
railroads
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2000 |
Moved Locomotive Baggies air filter production to Lancaster, PA. This state of the
art production system makes the Clark product second to none in the industry.
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2001 |
Initiated Panel Filter production
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2002 |
Moved all roll-pack (sock type) production and sales to FIBAMEX (Mexico City)
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2002 |
Moved Dust Collector Cartridge production from Airguard (Louisville, KY) to Clark
Filter
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