Eric Demerath — 17 Patents at Leum Engineering

Eric Demerath has been granted 17 US patents while listed as an inventor at Leum Engineering. The first was granted in 2018 and the most recent in December 2025. Eric Demerath ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Eric Demerath in Shepherd, MI, US.

Patents per Year

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date
12486127	Vehicle leveler with lighting safety features	Grant Leum	2025-12-02
12479676	Vehicle leveler with improved drainage	Grant Leum	2025-11-25
12214979	Vehicle leveler with safety features	Grant Leum	2025-02-04
12024411	Vehicle leveler with wheel chock	Grant Leum	2024-07-02
12006170	Vehicle leveler with door interlock	Grant Leum	2024-06-11
11858763	Vehicle leveler with safety features	Grant Leum	2024-01-02
11772915	Hydraulically-powered vehicle leveler	Grant Leum	2023-10-03
11753261	Vehicle leveler with safety features	Grant Leum	2023-09-12
11745965	Vehicle leveler with safety features	Grant Leum	2023-09-05
11577923	Portable dock plate	Grant Leum	2023-02-14
11572239	Vehicle leveler with safety features	Grant Leum	2023-02-07
11511954	Vehicle leveler with swing gate	Grant Leum	2022-11-29
D968652	Swing gate for a loading dock	Grant Leum	2022-11-01
11273999	Modular loading dock with integrated leveler	Grant Leum	2022-03-15
11273998	Vehicle leveler with safety features	Grant Leum	2022-03-15
9944475	Dock leveler	Grant Leum	2018-04-17
9938094	Dock leveler with safety barrier	Grant Leum	2018-04-10

Eric Demerath — 17 Patents

Patents per Year

Issued Patents All Time

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