Emseal Joint Systems, LTD.
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersWestborough, MA
US patents38
SAM.gov UEIL7FEHJBYEJP4
CAGE code5KYR5
Incorporated inDE
- expansion joints
- joint covers
- sealants
- parking
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
38 US patents granted 2012–2022, 7 of them in the five years to SEP 2025.
Civil engineering 30Surface technology, coating 3Mechanical elements 3Other special machines 2
- Fire resistant expansion joint systemsUS 11,459,748 · granted OCT 4, 2022
- Water and/or fire resistant tunnel expansion joint systemsUS 11,180,995 · granted NOV 23, 2021
- Fire and water resistant expansion joint systemUS 10,941,562 · granted MAR 9, 2021
- Fire and/or water resistant expansion joint systemUS 10,934,704 · granted MAR 2, 2021
- Fire and water resistant expansion joint systemUS 10,934,702 · granted MAR 2, 2021
Newest 5 shown · Granted to Emseal Joint Systems, LTD. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Emseal Joint Systems, LTD. | Westborough | 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.


