Met One Instruments, INC.
At a glance
Employees100-499
In business since1989
HeadquartersGrants Pass, OR
US patents7
SAM.gov UEIMKXRKZ9NWBX1
CAGE code0YUU1
Incorporated inOR
LEI549300GXAK041N3M2665
Brands
Mcerts
Grid-gas-analyzers
Grid-clean-roomThis company sells these brands.
- air quality monitoring instruments
- gas analyzers
- meteorological products
- military
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
7 US patents granted 2007–2019, none of them in the five years to SEP 2025.
Measurement 6Environmental technology 1
- Twin-spot light absorbing particulate monitoring instrumentUS 10,365,199 · granted JUL 30, 2019
- Sequential air sampler with filter cassette magazineUS 10,281,371 · granted MAY 7, 2019
- Pulsation suppressing air flow system for an air sampling instrumentUS 9,651,038 · granted MAY 16, 2017
- Method and apparatus to enhance collection of particles in particulate mass measurement deviceUS 9,157,871 · granted OCT 13, 2015
- Asymmetric-cup anemometerUS 8,443,682 · granted MAY 21, 2013
Newest 5 shown · Granted to Met One Instruments, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Met One Instruments, INC. | Grants Pass | OR | 100–499 | 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.


