Leum Engineering INC
Doing business as Dockzilla CO
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersHopkins, MN
US patents16
SAM.gov UEITECYYJTWU7W7
CAGE code7PW81
Incorporated inMN
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
16 US patents granted 2018–2025, 14 of them in the five years to SEP 2025, including 1 design patent.
Handling 15
- Vehicle leveler with safety featuresUS 12,214,979 · granted FEB 4, 2025
- Vehicle leveler with wheel chockUS 12,024,411 · granted JUL 2, 2024
- Vehicle leveler with door interlockUS 12,006,170 · granted JUN 11, 2024
- Vehicle leveler with safety featuresUS 11,858,763 · granted JAN 2, 2024
- Hydraulically-powered vehicle levelerUS 11,772,915 · granted OCT 3, 2023
Newest 5 shown · Granted to Leum Engineering, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Leum Engineering INC | Hopkins | MN | — | 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.