Valco Instruments CO INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersHouston, TX
US patents33
SAM.gov UEIY4K5Y5DYNMJ8
CAGE code55637
Incorporated inTX
Brands
This company sells these brands.
- injectors
- selectors
- valves
- fittings
- liquid handling
- components
- gas generators
- purifiers
- HPLC
- UHPLC
- calibration gas standards
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
33 US patents granted 1988–2022, 5 of them in the five years to SEP 2025.
Measurement 27Mechanical elements 3Control 2Chemical engineering 1
- System and valve for liquid chromatographyUS 11,519,888 · granted DEC 6, 2022
- System and valve for liquid chromatographyUS 11,119,076 · granted SEP 14, 2021
- Zero dead volume fitting assemblyUS 11,041,581 · granted JUN 22, 2021
- Pump for liquid chromatography with pressure sensorUS 11,002,262 · granted MAY 11, 2021
- Zero dead volume fitting assemblyUS 10,883,633 · granted JAN 5, 2021
Newest 5 shown · Granted to Valco Instruments Company, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Valco Instruments CO INC | Houston | TX | 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.