Jenike |&| Johanson Bulk Material Handling

Jenike & Johanson Bulk Material Handling

Your Partner for Particles

A team of experts who tackle the toughest solids handling challenges globally to enable our clients’ success!

9000 +
of Completed Individual Projects
57 Years
of Gathering Extensive Experience
Did You Know?

Our Engineers Continuously Transform Industries

We enable our clients to operate with highest efficiency and productivity by making sure that materials and equipment work together flawlessly.

From converting old tires to energy and carbon black powder to nuclear waste cleanup - we're committed to improving the overall health of our planet.

We believe that pets are family members who deserve good food - so we help to make sure pet food manufacturers get it right.

We help to avoid catastrophic silo failures, dust explosions, collapsing stockpiles and other risks - because safety is irreplaceable.

Jenike & Johanson locations

Where to find us

We have offices in various countries and solve bulk solids handling challenges around the globe!

Bulk Material Handling Experts

A world-class team assembled of highly educated and skilled experts. They represent a single source of knowledge about powders and bulk solids storage handling, ready to meet your needs.

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  • Dr. John Carson

    Dr. John W. Carson

    President Emeritus
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  • Herman Purutyan

    CEO
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  • T. Anthony Royal

    Vice President of Technology
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  • Eric P. Maynard

    Vice President
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  • James K. Prescott

    Vice President
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  • Brian H. Pittenger

    Vice President
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  • Dr. David A. Craig

    Vice President
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  • Roger Barnum

    Director
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  • Dr. Jesús Chávez Sagarnaga

    Director of Structural Engineering
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  • Jairo Patermina

    Senior Consultant
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  • Thomas G. Troxel

    Vice President
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  • Scott A. Clement

    P.E., Senior Consultant
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  • K. Eric Bengtson

    Senior Project Engineer, Laboratory Manager
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  • Carrie Hartford

    P.E., Director of Business Development
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  • Dr. Jayant V. Khambekar

    Senior Consultant / Regional Manager
    View Bio
  • Tracy Holmes

    P.Eng., President
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  • Martin Esaki

    P.Eng., Vice President
    View Bio
  • Dr. Francisco Cabrejos

    General Manager
    View Bio
  • Corin Holmes

    General Manager
    View Bio
  • Rogério Ruiz

    General Manager
    View Bio
  • Dr. John Carson

    Dr. John W. Carson

    President Emeritus
    View Bio
  • Herman Purutyan

    CEO
    View Bio
  • T. Anthony Royal

    Vice President of Technology
    View Bio
  • Eric P. Maynard

    Vice President
    View Bio
  • James K. Prescott

    Vice President
    View Bio
  • Brian H. Pittenger

    Vice President
    View Bio
  • Dr. David A. Craig

    Vice President
    View Bio
  • Roger Barnum

    Director
    View Bio
  • Dr. Jesús Chávez Sagarnaga

    Director of Structural Engineering
    View Bio
  • Jairo Patermina

    Senior Consultant
    View Bio
  • Thomas G. Troxel

    Vice President
    View Bio
  • Scott A. Clement

    P.E., Senior Consultant
    View Bio
  • K. Eric Bengtson

    Senior Project Engineer, Laboratory Manager
    View Bio
  • Carrie Hartford

    P.E., Director of Business Development
    View Bio
  • Dr. Jayant V. Khambekar

    Senior Consultant / Regional Manager
    View Bio
  • Tracy Holmes

    P.Eng., President
    View Bio
  • Martin Esaki

    P.Eng., Vice President
    View Bio
  • Dr. Francisco Cabrejos

    General Manager
    View Bio
  • Corin Holmes

    General Manager
    View Bio
  • Rogério Ruiz

    General Manager
    View Bio

Core Values We Live & Work By

Our Approach to Every Project.

You can expect exceptional quality from our skilled and experienced team.

We take complete ownership in all our projects and their successful outcome.

We drive to develop creative and groundbraking solutions for new and unique problems by leveraging cutting-edge technology and diverse perspectives.

You can expect truthful and precise feedback and consultation from our team.

A passion for particles inspires us to treat each project with enthusiasm and dedication.

Our promise of collaboration is based on our dedication to actively engage in knowledge exchange and teamwork.

Female Engineer
Innovation at the Heart of Our Origins

Dr. Andrew Jenike is not only the founding father of our company but also of the science of bulk solids handling. He dedicated his life to engineering solutions for bulk materials, and received several awards throughout his life, including the Humboldt Prize in 1976. He was officially recognized as the leading Bulk Technology Pioneer of the 20th Century.

1953

Jenike decides to devote his life to the study of bins and hoppers.

1960

Dr. Andrew Jenike designs the world's first mass flow bins for Iron Ore Corporation of Canada.

1966

Jenike & Johanson is founded. Their initial project involved designing a mass flow silo for storing and feeding polymer flakes for Celanese.

Jenike & Johanson

1967

Briquetting technology is developed for Morton Salt in Port Huron.

Briquetting technology for Morton Salt in being developed

1970

Jenike & Johanson opens an office in Massachusetts, USA.

Jenike & Johanson office

1974

A storage and feed system for saturated tar/oil sand is designed for Syncrude.

Syncrude tar and oil sand saturated storage and feed system

1975

Jenike & Johanson opens a second office in Ontario, Canada.

Jenike & Johanson Canada

1978

Jenike & Johanson develops a computerized method for processing flow property data.

Jenike & Johanson's computerized processing of flow property data

1982

Jenike & Johanson opens a third office in California, USA.

Also, Jenike's Binsert cone-in-cone technology is patented.

Jenike & Johanson in San Luis Obispo CA

1984

Jenike & Johanson patents a novel tester for abrasive wear.

Jenike & Johanson abrasive wear tester

1985

A new low profile slide gate is designed for slotted hopper outlets.

Dr. John W. Carson is named president of Jenike & Johanson.

Dr. John Carson

1988

A novel chute design for high-speed belt-to-belt material transfer is patented (US Patent #4,646,910).

Jenike & Johanson's novel chute design for high-speed belt-to-belt material transfer (US Patent 4,646,910)

1993

A unique decaffeination vessel for coffee beans is patented.

Jenike & Johnson's patented decaffeination vessel for coffee beans

1994

Jenike & Johanson opens a fourth office in Chile.

Jenike & Johanson's office in Chile

1995

Jenike & Johanson invents a proprietary solids handling and analysis CAE package.

1996

Jenike & Johanson invents the J-Purge vessel that combines purging, stripping, drying, and tempering processes.

Jenike & Johanson's J-Purge vessel

1998

The Jenike Shear Tester (ASTM International D6128) is established as a standard flowability tester by the EFCE (European Federation of Chemical Engineering). A unique air assisted feed system for fine powders is commercialized.

Jenike Shear Tester strip chart

1999

The Pharmasok system is invented to help eliminate dusting segregation.

Pharmasok system developed by Jenike & Johanson

2000

Jenike & Johanson wins the Dow Technology Award for their newly developed flake dryer. Also, a novel solids handling process for catalyst regeneration in gas-to-liquid conversion is invented.

2001

A pioneering converging-diverging hopper is developed (US Patent # 6,139,241).

2002

Jenike & Johanson designs a mass flow coal bunker.

Also, an automated furnace shear and friction tester with the ability to test materials up to 1,000 degrees Celsius is unveiled.

2003

Jenike & Johanson develops segregation testers for sifting (ASTM D6940) and fluidization (ASTM D6941).

Jenike & Johanson's sifting and fluidization testers

2007

Dr. Andrew Jenike receives the BMHB (British Material Handling Board) award for Greatest Contribution to the 20th century.

Dr. Andrew Jenike

2008

Jenike & Johanson develops a material sparing segregation tester together with Pfizer.

Jenike & Johanson's material-sparing segregation tester

2009

An in-house Discrete Element Modeling program (DEM) is developed.

Also, Herman Purutyan becomes CEO of the company.

Jenike & Johanson's DEM program

2012

Jenike & Johanson opens a fifth office in Australia.

Jenike & Johanson Australia

2013

Jenike & Johanson opens a sixth office in Houston, TX.

2014

Jenike & Johanson opens a seventh office in Brazil.

A corporate restructuring process takes place and takes Jenike from being locally owned to being a global organization.

Jenike & Johanson Brazil

2015

Jenike & Johanson aids ISPE in defining a science-based approach for assessing blend and dosage unit uniformity in pharmaceuticals. Also, the company obtains a DEA license for handling controlled substances.

Jenike & Johanson's laboratory capabilities

2019

A Selective Heat Ore Treatment (S.H.O.T.) is developed, which reduces energy consumption by applying microwave energy at the mineral-grain interface to free minerals from surrounding rock more easily.

Jenike & Johanson's SHOT (selective heat ore treatment)

2023

Jenike & Johanson introduces novel Jen-Zero™ Technology for Feeding Biomass and MSW Feedstocks into High Pressure Environments.

Jenike & Johanson's novel Jen-Zero technology
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  • Chemicals
  • Power/Energy
  • Mining
  • Plastics
  • Minerals
  • Pharmaceuticals
  • Foods
  • Consumer products