Gelest, INC
Doing business as Gelest CORP
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersMorrisville, PA
US patents38
SAM.gov UEIHMZ5L9ZNW988
CAGE code0S392
Incorporated inPA
- silanes
- silicones
- metal-organics
- acrylates
- commercial quantities
- coatings
- adhesives
- silicone materials
- compounds
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 1994–2025, 18 of them in the five years to SEP 2025.
Surface technology, coating 13Organic fine chemistry 10Semiconductors 8Macromolecular chemistry, polymers 3Pharmaceuticals 3
- Inherent area selective deposition of silicon-containing dielectric on metal substrateUS 12,381,076 · granted AUG 5, 2025
- Silicon carbide thin films and vapor deposition methods thereofUS 12,378,666 · granted AUG 5, 2025
- Silicon-based thin films from N-alkyl substituted perhydridocyclotrisilazanesUS 12,344,934 · granted JUL 1, 2025
- Compositions and methods for reshaping keratin-rich substrates and forming adherent flexible filmsUS 12,171,863 · granted DEC 24, 2024
- Cyclic azastannane and cyclic oxostannane compounds and methods for preparation thereofUS 12,145,955 · granted NOV 19, 2024
Newest 5 shown · Granted to Gelest, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Gelest, INC | Morrisville | PA | 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.


