Timken Gears & Services INC.
Doing business as Philadelphia Gear
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMokena, IL
US patents13
SAM.gov UEICY2AU4VRUE47
CAGE code3ETA8
Incorporated inOH
- Philadelphia Gear
- gearboxes
- clutches
- replacement
- gear parts
- open gearing
- mixers
- military marine
- mining
- onsite technical services
- cooling
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
13 US patents granted 1977–2008, none of them in the five years to SEP 2025.
Mechanical elements 7Chemical engineering 4Engines, pumps, turbines 2
- Aeration system and methodUS 7,377,497 · granted MAY 27, 2008
- Manometric fluid barrier sealUS 6,464,227 · granted OCT 15, 2002
- Eccentric pivotable mounting for changing gear reduction ratiosUS 5,960,671 · granted OCT 5, 1999
- Impeller tiplets for improving gas to liquid mass transfer efficiency in a draft tube submerged turbine mixer/aeratorUS 5,525,269 · granted JUN 11, 1996
- Valve operator de-clutch mechanismUS 4,474,078 · granted OCT 2, 1984
Newest 5 shown · Granted to Philadelphia Gear Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
6 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Timken Gears & Services INC | Bessemer | AL | — | ACTIVE |
| Timken Gears & Services INC. | Santa Fe Springs | CA | — | ACTIVE |
| Timken Gears & Services INC. | New Castle | DE | — | ACTIVE |
| Timken Gears & Services INC. | Mokena | IL | — | ACTIVE |
| Timken Gears & Services INC. | King of Prussia | PA | — | ACTIVE |
| Timken Gears & Services INC. | Houston | TX | — | 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.


