Senior Operations LLC
Doing business as Metal Bellows
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersSharon, MA
US patents7
SAM.gov UEIJJNFZL3Q63S6
CAGE code07649
Incorporated inDE
- bellows
- seal assemblies
- compressors
- defense
- semiconductor
- medical
- nuclear
- vacuum pumps
- couplings
- hermetic actuators
- maintenance-free accumulators
- reservoirs
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 1976–1982, none of them in the five years to SEP 2025.
Medical technology 6Mechanical elements 1
- Flexible tubing couplingUS 4,332,404 · granted JUN 1, 1982
- Infusion apparatus and methodUS 4,258,711 · granted MAR 31, 1981
- Septum locating apparatusUS 4,222,374 · granted SEP 16, 1980
- Implantable infusion apparatus and methodUS 4,221,219 · granted SEP 9, 1980
- Infusion apparatus and methodUS 4,193,397 · granted MAR 18, 1980
Newest 5 shown · Granted to Metal Bellows Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Senior Operations LLC | Sharon | MA | — | 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.


