United States and Foreign Patents Granted - These products are protected under one or more of the following U.S. and foreign patents:

5,370,722 • 5,529,593 • 6,197,077 B1 • 2170244 • 95904185 • 6-2113 • 7,323,028 • 7,416,577 • 8,726,954 B2 • 7,416,577 B2 • 7,842,116 B2 • Other Patents Pending.

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Satisfied Customers By Industry


Cottonwood Filter Screens Are Used In All Industries.

Automotive
  • Honda Motors
  • GM Truck and Bus
  • General Motors (Many Facilities)
  • Ford Motor Company (Many facilities)
  • Chrysler Corporation
  • Saturn Motors
  • GM DeMexico
  • Visteon Automotive Systems
  • Delphi Chassis Systems
  • Toyota

Food Processing
  • McKee Foods
  • Kraft Foods, Inc
  • Quaker Oats
  • Jenny-O Turkey Store
  • Dean Foods (Land-O-Sun Dairy)
  • Awry Bakery
  • USDA
  • General Mills
  • Frito-Lay
  • Michigan Dairy Producers
  • Kind & Knox Gelatine
  • Leprino Foods
  • Stroehman Bakeries
  • Sandridge Foods

Healthcare/Pharmaceutical/ Bio-medical & Device
  • Cleveland Clinic
  • Wilson N. Jones Medical Center
  • St. Charles Mercy Hospital
  • Clark Memorial Hospital
  • Marymount Hospital
  • Novartis Sandoz
  • Carolina Health Care
  • Palm Beach Gardens Medical Center
  • Kaiser Permanente
  • Sparrow Hospital
  • Bethesda North Hospital (TriHealth)
  • Good Samaritan Hospital (TriHealth)
  • Fairview Hospital (Cleveland Clinic Health Systems)
  • Berlex Laboratories
  • SPI Pharma
  • Cambridge Medical Center / Allina Health Systems
  • Shaklee Corp
  • Beckman Coulter, Inc.
  • The Cleveland Clinic
  • Baptist Hospital (Louisville, KY)
  • Mendota Mental Health Institute
  • St. Ann's Community
  • Colgate Palmolive
  • Guidant
  • Bristol Myers Squibb
  • Proctor & Gamble
  • Froedtert Hospital
  • Viterbo Hospital
  • # Healthcare Laundry

Manufacturing
  • BoeingGeneral Electric
  • Conair
  • Avery
  • Trademark Metals
  • US Chrome
  • Sabin Corp
  • Goodrich Aerospace
  • Williams International
  • Fairchild Semi-Conductor
  • MG Industries
  • Raytheon
  • Techniglass
  • MG Industries
  • DBM Technologies
  • A-Carb LLC
  • Atofina Chemical
  • Cerner Corporation (healthcare software / information systems)
  • Nemak
  • Honeywell
  • Manufacturers Products
  • Atmosphere Heat Treat
  • Haworth Inc.
  • Siemens Building Technologies
  • Copeland
  • Federal Mogal
  • Kimball Glass
  • Brooks Automation
  • Defiance Testing & Engineering
Power & Energy
  • Toledo Edison Company (Davis Besse Power Station)
  • Fermi National Accelerator /Laboratory
  • Brascan Power
  • Missouri Gas Energy

Property Management
  • Hines Interest Limited Partnership
  • Devos Place (Grand Rapids Convention Ctr.)
  • JFK Library
  • Hughes Management
  • Tishman Speyer Properties
  • First National Bldg (Toledo)
  • Harrah's Casino
  • Marriott
  • YMCA
  • Kalamazoo Public Library
  • Woodlands Resort
  • Target Dept. Stores

Pulp & Paper
  • Grahm Packaging
  • Sonoco
  • Wesvaco
  • Appleton Papers
  • Mead Publishing Div.
  • Ponderosa Fibres of Washington
  • International Paper
  • Georgia PacificSchools

Schools / Colleges / Universities
  • Oakton Community College
  • Jordan School District
  • Canby High School
  • Fruit Valley School
  • Flaherty Elementary
  • Johnson County Community College
  • MSD Steuben County Schools
  • Shawnee Mission Schools
  • Ross School
  • California State University - Chico
  • Forest Hills Elementary
  • Wright State University
  • Neill Elementary School
  • Ohio State University (Lima OH)
  • Case Western University
  • Oakland Community College
  • Riverton Elementary
  • Lincoln Elementary School
  • Washtenaw Community College
  • Indiana University
  • University of Michigan
  • Wayne State University
  • Blue Valley School District
  • Washington Twp Schools
  • Greenfield Middle School
  • Branch Intermediate School
  • University of Illinois College of Medicine
  • University of Southern California - Santa Cruz
  • Northwestern College

Services
  • LexisNexis
  • Anthem Blue Cross & Blue Shield
  • CUNA Mutual Group
  • Panalpina
  • Fifth Third Bank
  • City of Covington, KY
  • Wells Fargo Bank
  • Arkansas Teacher Retirement System
  • Bank One
  • ADD: Acuity Insurance Company

Government (Local/State/Federal) & Related
  • City of Covington, KY
  • Environmental Protection Agency
  • National Nuclear Security Administration (NNSA)
  • Hickam AFB
  • Littlerock AFB
  • Sioux City Ntl Guard AFB
  • Occupational Safety & Health Administration (OSHA)
  • General Dynamics

Plastics / Production
  • Clariant Corp
  • Foam Concepts
  • US Leisure
  • Essex Plastics, Inc
  • FlexSol Packaging
  • Nalge Nunc International
  • C & M Fine Pack, INc
  • Saint-Gobain Containers
  • RAPAC
  • Plastipak Packaging Inc