About This Deal

3M Company acquired CUNO Incorporated, a transaction announced in May 2005, structured as Merger (cash); CUNO stockholder vote / proxy process.

CUNO Incorporated operates in Industrial (Filtration / Purification), is based in Headquartered in Meriden, Connecticut. 3M agreed to acquire CUNO Incorporated, a filtration company, by merger. CUNO designs, manufactures and markets a comprehensive line of filtration products for the separation, clarification and purification of fluids and gases.

Expand 3M's filtration and purification capabilities.

Comprehensive line of filtration and purification products complementing 3M's industrial portfolio. 3M Industrial business (filtration) Completed in 2005; CUNO became part of 3M's filtration operations.

Deal Terms

Acquirer
3M Company
Target
CUNO Incorporated
Value
Not disclosed
Date
May 2005
Type
Acquisition
Status
Ready

Transaction Details

Target HQ
Headquartered in Meriden, Connecticut
Segment
Industrial (Filtration / Purification)
Structure
Merger (cash); CUNO stockholder vote / proxy process
Announced
May 12, 2005

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: Press release ↗ · SEC filing ↗ · Last updated June 26, 2026

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