Tannas CO INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMidland, MI
US patents36
SAM.gov UEIF7FGR7GJM1U4
CAGE code4ALP6
Incorporated inMI
- laboratory instruments
- oxidation stability
- testing
- viscometers
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
36 US patents granted 1995–2025, 5 of them in the five years to SEP 2025, including 7 design patents.
Measurement 28Chemical engineering 1
- Surface isolation resistance compatibility test system and methodUS 12,276,636 · granted APR 15, 2025
- Device and testing apparatus for liquid and vapor wire exposure testingUS 12,092,562 · granted SEP 17, 2024
- Effects of oxygen on greaseUS 11,275,072 · granted MAR 15, 2022
- Grease oxidationUS 10,914,719 · granted FEB 9, 2021
- Instrumentation that embraces a rotational viscometer, or that has a cantilevered platform elevator and/or employs heat in one area but not anotherUS 10,823,656 · granted NOV 3, 2020
Newest 5 shown · Granted to Tannas Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Tannas CO INC | Midland | MI | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.