Rheosense, INC.
Doing business as Rheosense INC
At a glance
Employees20-99
In business sinceNot reported
HeadquartersSan Ramon, CA
US patents9
SAM.gov UEIJXGJZJ6E9EK6
CAGE code4MQ42
Incorporated inMN
- viscometers
- m-VROC II
- food
- beverage
- gene therapy
- electrospinning
- chemicals
Named on the company’s own website, read SEP 9, 2026
Open positions
Openings read from Rheosense, INC.’s own job board on Rippling, last checked NOV 7, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Senior R&D Test EngineerRheosense, INC. · San Ramon, CA · Engineering
- Mechanical Design Engineer (Mid-Senior Level)Rheosense, INC. · San Ramon, CA · Engineering
- Manufacturing TechnicianRheosense, INC. · San Ramon, CA · Production & Manufacturing
- Vice-President of SalesRheosense, INC. · San Ramon, CA · Sales
Patents
9 US patents granted 2005–2025, 4 of them in the five years to SEP 2025.
Measurement 9
- Viscometer and methods for using the sameUS 12,372,451 · granted JUL 29, 2025
- Viscometer with reduced dead-volume and high dynamic rangeUS 12,078,582 · granted SEP 3, 2024
- Viscometer and methods for using the sameUS 11,624,692 · granted APR 11, 2023
- Viscometer and methods for using the sameUS 11,162,885 · granted NOV 2, 2021
- Portable viscometerUS 10,451,532 · granted OCT 22, 2019
Newest 5 shown · Granted to Rheosense, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Rheosense, INC. | San Ramon | CA | 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.