Miller Weldmaster Corporation
At a glance
Employees20-99
In business sinceNot reported
HeadquartersNavarre, OH
US patents31
SAM.gov UEIDCDMW7N94JT3
CAGE code47658
Incorporated inOH
LEI549300D1C5JIFF71VK94
- welding machines
- hot air
- hot wedge
- radio frequency
- impulse welding
- converting equipment
- awning
- marine
- ducting
- ventilation
- filtration
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
31 US patents granted 2010–2020, none of them in the five years to SEP 2025, including 9 design patents.
Other special machines 21Textile and paper machines 1
- Folding systemUS 10,590,597 · granted MAR 17, 2020
- Method and apparatus for welding a roofing membraneUS 10,589,473 · granted MAR 17, 2020
- Method and apparatus for producing plastic bagsUS 10,406,771 · granted SEP 10, 2019
- Back seam welder and method of operationUS 10,232,565 · granted MAR 19, 2019
- Back seam welder and method of operationUS 10,183,448 · granted JAN 22, 2019
Newest 5 shown · Granted to Miller Weldmaster Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Miller Weldmaster Corporation | Navarre | OH | 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.


