Patents Assigned to Leum Engineering, Inc.
  • Patent number: 12214979
    Abstract: The device includes a first portion which has a leading edge and a trailing edge, the trailing edge is disposed further from the driveway than the leading edge. The embodiment also includes a second portion which has a leading edge and a trailing edge, the leading edge of the second portion is removably attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The device also includes an extension portion and opposing side portions, the opposing side portions extend the length of and contact the second portion and extension portion. The opposing side portions include at least one light which is controlled by a sensor adjacent to a door.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 4, 2025
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20240336447
    Abstract: A modular loading dock with a mobile base includes an adjustable front section with front opposing adjustable leg members and middle opposing adjustable leg members, two adjustable feet connect each front leg member to a middle leg member, as well as an adjustable back section connected to the adjustable front section and including opposing rear adjustable leg members each having a grade plate. The mobile base has top and bottom surfaces, the top surface has an opening to receive a dock leveler into such opening, the dock leveler includes a lower end and an upper end, the upper end abuts a preexisting structure and the lower end has a lower edge having a lip, the lip being able to be activated between an extended/engaged position to contact a truck bed and a retracted/disengaged position.
    Type: Application
    Filed: April 4, 2023
    Publication date: October 10, 2024
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 12024411
    Abstract: The device includes a first portion which has a leading edge and a trailing edge, the trailing edge is disposed further from the driveway than the leading edge. The embodiment also includes a second portion which has a leading edge and a trailing edge, the leading edge of the second portion is removably attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The first portion and second portion are separate from each other until they are removably attached by a connection apparatus. The device also includes at least one wheel chock with a corresponding wheel-chock track.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: July 2, 2024
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 12006170
    Abstract: A vehicle leveler which includes a first portion with a leading edge and a trailing edge, the trailing edge is disposed further from the driveway than the leading edge. The leveler also includes a second portion with a leading edge and a trailing edge, the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The vehicle leveler has a door interlock system with at least one pair of photoelectric sensors with a sensor path. When a vehicle is being loaded or unloaded on the vehicle leveler, and at least one of the vehicle doors is opened, the door blocks the sensor path of the photoelectric sensors and prevents the vehicle leveler from lowering or raising.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: June 11, 2024
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20240076145
    Abstract: An apparatus and related method for a dock housing for a pre-existing loading dock. The dock housing includes a base with top and bottom surfaces and front, back and opposed sidewalls. The front wall has integral fork pockets for interaction with forks on a fork truck for movement of the base into a desired location and the top surface has an opening to receive a dock leveler into such opening. Also included is a modular frame mounted onto the base in sections, the sections including a frame-front wall, opposed frame-sidewalls and a frame-top wall, the frame-front wall having a trailer-receiving opening to receive a trailer, the frame-sidewalls including a slotted-base attachment for securement of the base and sidewalls together. The dock housing is formed by securing the frame-sidewalls to a wall of a pre-existing building as well as securing the base, the frame-front wall and the frame-top wall together.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 7, 2024
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath, Nick Benz
  • Publication number: 20240076147
    Abstract: A modular loading dock with a mobile base which includes two, opposing, adjustable leg members and top and bottom surfaces, the top surface having an opening to receive a dock leveler into such opening, the dock leveler includes a lower end and an upper end, the upper end abuts a preexisting structure and the lower end includes a lower edge having a lip, the lip is able to be activated between an extended/engaged position to contact a truck bed and a retracted/disengaged position. The mobile base also includes a housing with a modular frame mounted onto the base in sections, the sections include a frame-front wall, opposed frame-sidewalls and a frame-top wall, the frame-front wall has a vehicle-receiving opening to receive a back end of a vehicle.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 7, 2024
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20240076146
    Abstract: A modular loading dock with a mobile base which includes two, opposing, adjustable leg members and top and bottom surfaces, the top surface having an opening to receive a dock leveler into such opening, the dock leveler includes a lower end and an upper end, the upper end abuts a preexisting structure and the lower end includes a lower edge having a lip, the lip is able to be activated between an extended/engaged position to contact a truck bed and a retracted/disengaged position. The mobile base also includes a housing with a modular frame mounted onto the base in sections and can receive a back end of a vehicle. The modular frame has a tensioned vinyl covering. The modular loading dock can also include an extension portion with a covering.
    Type: Application
    Filed: April 4, 2023
    Publication date: March 7, 2024
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 11858763
    Abstract: A vehicle leveler includes a first portion which has a leading edge and a trailing edge; the trailing edge is disposed further from the driveway than the leading edge. The vehicle leveler also includes a second portion which has a leading edge and a trailing edge; the leading edge of the second portion is attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler also includes opposing side portions which extend the length of and contact the second portion and extension portion, the opposing side portions have a top surface which forms a walkway. A freestanding unitary vehicle wheel guide with a walkway is adjacent to the opposing side portions.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: January 2, 2024
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 11772915
    Abstract: A vehicle leveler which includes a first portion with a leading edge and a trailing edge, the trailing edge is disposed further from the driveway than the leading edge. The leveler also includes a second portion with a leading edge and a trailing edge, the leading edge of the second portion is removably attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler has opposing side portions which have a top surface that forms a walkway. The vehicle leveler having a power unit and a hydraulic system that provides power and allows movement of the first portion and second portion.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: October 3, 2023
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 11745965
    Abstract: A vehicle leveler includes a first portion which has a leading edge and a trailing edge; the trailing edge is disposed further from the driveway than the leading edge. The vehicle leveler also includes a second portion which has a leading edge and a trailing edge; the leading edge of the second portion is attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler has at least one tension bar connecting the first portion on a proximal end and a lift cylinder on a distal end as well as at least one tension strap. When the vehicle leveler is in an elevated position the tension bar and tension strap keeps the lift cylinder from accidentally shifting.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: September 5, 2023
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20230113090
    Abstract: A vehicle leveler includes a first portion which has a leading edge and a trailing edge; the trailing edge is disposed further from the driveway than the leading edge. The vehicle leveler also includes a second portion which has a leading edge and a trailing edge; the leading edge of the second portion is attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler also includes opposing side portions which extend the length of and contact the second portion and extension portion, the opposing side portions have a top surface which forms a walkway. A freestanding unitary vehicle wheel guide with a walkway is adjacent to the opposing side portions.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20230090010
    Abstract: A vehicle leveler includes a first portion which has a leading edge and a trailing edge; the trailing edge is disposed further from the driveway than the leading edge. The vehicle leveler also includes a second portion which has a leading edge and a trailing edge; the leading edge of the second portion is attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler has opposing tapered edge portions contacting the driveway. The opposing tapered edge portions assist a vehicle backing onto the vehicle leveler and also avoid tire damage to the vehicle.
    Type: Application
    Filed: November 30, 2022
    Publication date: March 23, 2023
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20230081995
    Abstract: A vehicle leveler includes a first portion which has a leading edge and a trailing edge; the trailing edge is disposed further from the driveway than the leading edge. The vehicle leveler also includes a second portion which has a leading edge and a trailing edge; the leading edge of the second portion is attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler has at least one tension bar connecting the first portion on a proximal end and a lift cylinder on a distal end as well as at least one tension strap. When the vehicle leveler is in an elevated position the tension bar and tension strap keeps the lift cylinder from accidentally shifting.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 16, 2023
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 11577923
    Abstract: A portable dock plate which includes a planar ramp that has opposing side members, the ramp also has a top end and a bottom end, the top end includes a lip portion. The dock plate has a first wheel assembly and a second wheel assembly. The first wheel assembly includes a wheel, wheel lock linkage, a first locking pin with corresponding first locking pin holes, a lip-lowering apparatus and a lip-raising apparatus. The second wheel assembly has a wheel and a second locking pin with corresponding second locking pin holes. The dock plate also includes opposing handrails which are connected to the opposing side members, each handrail includes a moveable lever-handle for movement and placement of the dock plate.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: February 14, 2023
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 11572239
    Abstract: The vehicle leveler includes a first portion which has a leading edge and a trailing edge, the trailing edge is disposed further from the driveway than the leading edge. The embodiment also includes a second portion which has a leading edge and a trailing edge, the leading edge of the second portion is attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler also includes opposing side portions which extend the length of and contact the second portion and extension portion, the opposing side portions have a top surface which forms a walkway.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: February 7, 2023
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: 11511954
    Abstract: A vehicle leveler which includes a first portion with a leading edge and a trailing edge, the trailing edge is disposed further from the driveway than the leading edge. The leveler also includes a second portion with a leading edge and a trailing edge, the leading edge of the second portion is removably attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The second portion also includes an extension portion. The vehicle leveler has opposing side portions which have a top surface that forms a walkway. A safety barrier with two opposed gates is mounted adjacent to the vehicle leveler. The safety barrier when in an open position acts as a fall protection barrier for a user.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: November 29, 2022
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20220162023
    Abstract: A portable dock plate which includes a planar ramp that has opposing side members, the ramp also has a top end and a bottom end, the top end includes a lip portion. The dock plate has a wheel assembly and a opposing wheel assembly. The wheel assembly includes a wheel, wheel lock linkage, a first locking pin with corresponding first locking pin holes, a lip-lowering apparatus and a lip-raising apparatus. The opposing wheel assembly has a wheel and a opposing locking pin with corresponding opposing locking pin holes. The dock plate also includes opposing handrails which are connected to the opposing side members, each handrail includes a moveable lever-handle for movement and placement of the dock plate.
    Type: Application
    Filed: March 23, 2021
    Publication date: May 26, 2022
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20220162021
    Abstract: The vehicle leveler includes a first portion which has a leading edge and a trailing edge, the trailing edge is disposed further from the driveway than the leading edge. The embodiment also includes a second portion which has a leading edge and a trailing edge, the leading edge of the second portion is attached to the trailing edge of the first portion and the leading edge of the second portion is disposed further from the driveway than the trailing edge of the second portion. The device has opposing side portions and a walkway. The opposing side portions include at least one or more lights which illuminate the leveler and the walkway.
    Type: Application
    Filed: February 1, 2022
    Publication date: May 26, 2022
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Publication number: 20220162022
    Abstract: A portable dock plate which includes a planar ramp that has opposing side members, the ramp also has a top end and a bottom end, the top end includes a lip portion. The dock plate has a first wheel assembly and a second wheel assembly. The first wheel assembly includes a wheel, wheel lock linkage, a first locking pin with corresponding first locking pin holes, a lip-lowering apparatus and a lip-raising apparatus. The second wheel assembly has a wheel and a second locking pin with corresponding second locking pin holes. The dock plate also includes opposing handrails which are connected to the opposing side members, each handrail includes a moveable lever-handle for movement and placement of the dock plate.
    Type: Application
    Filed: November 23, 2020
    Publication date: May 26, 2022
    Applicant: Leum Engineering, Inc. d/b/a Dockzilla Co.
    Inventors: Grant Leum, Eric Demerath
  • Patent number: D968652
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: November 1, 2022
    Assignee: Leum Engineering, Inc.
    Inventors: Grant Leum, Eric Demerath