Seal-ryt CORP.
Doing business as Seal Ryt CORP
At a glance
Employees20-99
In business sinceNot reported
HeadquartersWestfield, MA
US patents17
SAM.gov UEIYK7TAHGCKAA5
CAGE code74ZM0
Incorporated inMA
- braided packing
- bearing sealing systems
- mechanical packing
- shaft bearings
- stuffing box sealing bearing
- lantern rings
- patented SLR®
- Structural Lantern Ring
- PackRyt® BLR Bearing
- shaft stabilization
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
17 US patents granted 2014–2025, 10 of them in the five years to SEP 2025, including 6 design patents.
Mechanical elements 9Engines, pumps, turbines 2
- Bearing extraction from a stuffing box of a rotary mechanical deviceUS 12,379,030 · granted AUG 5, 2025
- Method for forming a lantern ring for a shaft sealing systemUS 12,110,965 · granted OCT 8, 2024
- Bearing extraction from a stuffing box of a rotary mechanical deviceUS 11,739,843 · granted AUG 29, 2023
- Remotely adjustable gland follower for a shaft sealing systemUS 11,674,597 · granted JUN 13, 2023
- Extractable cylindrical sealing elementUS D944876 · granted MAR 1, 2022
Newest 5 shown · Granted to Seal-ryt CORP. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Seal-ryt CORP. | Westfield | MA | 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.


