Instrotek, INC.
At a glance
Employees20-99
In business sinceNot reported
HeadquartersDurham, NC
US patents26
SAM.gov UEIWNZNQMJCKLA6
CAGE code3GFA3
Incorporated inNC
LEI549300DTDXWVU4OQ5H37
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
26 US patents granted 1999–2021, 1 of them in the five years to SEP 2025, including 2 design patents.
Measurement 19Chemical engineering 3
- Systems and methods for quality testing of asphalt by predicting an indirect tensile strength ratio of the asphalt sample based on the binder loss valueUS 11,009,450 · granted MAY 18, 2021
- Systems and methods for verification and calibration of hamburg wheel tracker devicesUS 10,753,838 · granted AUG 25, 2020
- Systems and methods for maximum specific gravity tests for asphalt mixture samplesUS 10,215,678 · granted FEB 26, 2019
- Wheel-tracking devices and related systems and methodsUS 9,964,471 · granted MAY 8, 2018
- Lightweight portable moisture traps for use with vacuum pumpsUS RE46616 · granted NOV 28, 2017
Newest 5 shown · Granted to InstroTek, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Instrotek, INC. | Durham | NC | 20–99 | 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.