As a subsidiary of CPEG, additional thermal and dry solids processing and material handling equipment is available to supplement and build out your production line.

Calciners, Conveyors, Vibratory Fluid Beds, Baghouses, and more.

About PK Blenders

Built on over 140 years of engineering excellence, PK Blenders’ product lines are the definition of tried and true. Our equipment, from the original Twin-Shell V-Blender to our high-performance dryers, has consistently delivered reliable, precise results in the most demanding industrial applications.

1880
Founding


Benjamin Kelly starts the Benjamin F. Kelley & Company, making feed water heaters

1880
1896
Competition Arises


Frank Patterson, son in law of Benjamin Kelley, starts Frank L Patterson & Co. as a competitor to Benjamin F. Kelley & Co.

1896
1902
First Aquisition

Frank Patterson took over the Benjamin F. Kelley & Co. upon the death of Benjamin Kelley and at the request for Mrs. B. F. Kelley.
Both companies ran as competitors in New York City still selling water heaters.

1902
1914
Merger



The two companies merged to become the Patterson-Kelley Co., Inc. based on the implementation of federal income taxes.

1914
1940s
New Partner



John Fischer working for the Atomic Energy Commission, partners with Patterson Kelley to develop a special heat exchanger for the Manhattan project.

1940s
1949
First Patent



After having worked there for a few years, John Fisher starts the Process Equipment Division at Patterson Kelley and patents the first V Blender

1949
1950s-60s
Expanding Product Lines



Patterson Kelley continues to invent products; intensifier bards, liquid addition, solids processor, then adding in the Zig-Zag Blender and Tubular Vacuum Dryer

1950s-60s
1974
Second Acquisition


Harsco Corporation, a $1B world-wide organization, buys Patterson Kelley who is still producing boilers and water heaters as well as the blenders as part of the Process Equipment Division

1974
1990s/ Early 2000s
New Products



Harsco innovates with the creation of the MVP systems as well as low throughput continuous blenders.

1990s/ Early 2000s
2010
Division Split & Acquisition

Patterson Kelley Process equipment was divested from the Patterson Kelley heat transfer division (Harsco) and sold to Buflovak, LLC.
Harsco still holds the Patterson Kelley name for boilers and water heaters.

2010
2016
Hebeler Acquisition

Hebeler purchases Buflovak and with it, the Patterson Kelley Process Equipment IP, calling it Hebeler Process Solutions

2016
2024
CPEG Acquisition



CPEG purchases Hebeler and creates Patterson Kelley Blenders to market and sell this expansive catalog of products and process experience.

2024

Solutions For Blending & Powder Processing

PK Blenders has led the way in industrial blending solutions since 1880, serving a wide range of industries with precision and reliability. Our capabilities include high-capacity blending, precision mixing, and the use of intensifiers to ensure consistent, uniform products. Our equipment is engineered to handle everything from free-flowing powders to sticky, challenging materials. With well over a century of engineering expertise, PK Blenders provides fully customized equipment with heating, cooling, and liquid addition options to meet the exact specifications of any processing need.

Why PK?

Guaranteed scale-up from any successful test
Quick ROI
Process guarantee for precise, repeatable results
Customer service throughout product life
Process solutions developed in our Customer Test Lab
1949-V-blender

Industries Around The Globe Trust PK

For over a century, Patterson Kelley (PK) Blenders has built a reputation as a trusted leader in industrial processing equipment. Our rich history is defined by a relentless pursuit of innovation, beginning with our pioneering Twin-Shell V-Blender. This deep-rooted expertise and enduring commitment to quality have earned us the confidence of countless clients, making PK Blenders a name synonymous with reliability, precision, and performance..

Today’s PK

In 2016 PK Blenders joined Hebeler and together became known as Hebeler Process Solutions, LLC (HPS).

In 2024, PK Blenders was acquired by Carrier Process Equipment Group, Inc. (CPEG). This partnership will offer a whole new realm of custom manufacturing capabilities along with additional process equipment for complete systems integration.

PK will continue developing internationally recognized product lines and custom process solutions.

Modern-V-Blender

Let Us Know How We Can Help?

Products: PK + CPEG

Supplement your product line with CPEG’s expansive product offerings from industry-leading brands.

Dedicated Product Engineer

Assigned Product Engineer from the start to facilitate your solution from concept to delivery and startup.

Testing, Design & Engineering

Multiple testing labs with access to expert design and process engineers delivers the best product for your needs.

Manufacturing

Multiple state-of-the-art manufacturing facilities with the latest equipment to manufacture exactly what you need.

Aftermarket

Reliable and expert aftermarket parts and field service support.