Porous Media Overview

  • Year Founded
  • 1984

Year Founded

  • Status
  • Acquired/​Merged

  • Latest Deal Type
  • M&A

  • Financing Rounds
  • 1

Porous Media General Information


Designer and manufacturer of advanced technologies for the separation of liquids, solids and gases. The company's Scientific Testing, Analysis and Research (STAR) Laboratories provide refining, natural gas, power generation, produced water and chemical industries innovative products and exceptional value for their demanding needs.

Contact Information

Ownership Status
Financing Status
Corporate Backed or Acquired
Primary Industry
Other Chemicals and Gases
Corporate Office
  • 1350 Hammond Road
  • St. Paul, MN 55110
  • United States

Want detailed data on 3M+ companies?

What you see here scratches the surface

Request a free trial

Want to dig into this profile?

We’ll help you find what you need

Learn more

Porous Media Valuation & Funding

Deal Type Date Amount Valuation/
Post-Val Status Debt

This information is available in the PitchBook Platform. To explore Porous Media‘s full profile, request access.

Request a free trial

Porous Media Patents

Porous Media Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20160166952-A1 Coalescing filter separation system and method Inactive 15-Dec-2014 000000000 0
US-20130045903-A1 Process and apparatus to remove oxidation products from used oil Inactive 15-Aug-2011 000000000 0
EP-2744879-A1 Process and apparatus to remove oxidation products from used oil Inactive 15-Aug-2011 000000000 0
EP-2744879-A4 Process and apparatus to remove oxidation products from used oil Inactive 15-Aug-2011 000000000 0
JP-2014531298-A Method and apparatus for removing oxidation products from used oil Pending 15-Aug-2011 B01D15/00 0
To view Porous Media’s complete patent history, request access »

Porous Media FAQs

  • When was Porous Media founded?

    Porous Media was founded in 1984.

  • Who is the founder of Porous Media?

    Michael Spearman, Daniel Spearman, and Patrick Spearman are the founders of Porous Media.

  • Where is Porous Media headquartered?

    Porous Media is headquartered in St. Paul, MN.

  • What industry is Porous Media in?

    Porous Media’s primary industry is Other Chemicals and Gases.

  • Is Porous Media a private or public company?

    Porous Media is a Private company.

  • What is the current valuation of Porous Media?

    The current valuation of Porous Media is 00000.

  • What is Porous Media’s current revenue?

    The current revenue for Porous Media is 000000.

  • When was Porous Media acquired?

    Porous Media was acquired on 30-Apr-2007.

  • Who acquired Porous Media?

    Porous Media was acquired by Pentair.

Data Transparency

  • Meet our data hygiene team

    Discover how our experts ensure you’re getting the most accurate financial data in the industry.

    Read blog »
  • How PitchBook sources data

    Our data operations team has logged over 3.5 million hours researching, organizing, and integrating the information you need most.

    Discover our process »