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For the Inventor, By the Inventor

Hazel Crest, IL, United States of America

Mi-Jack Products, Inc.


USPTO Granted Patents = 76

% Expired Patents = 14.5


Trademarks = 11

Forward Citations = 848

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55 inventors (with patents filed for the assignee):

goldMedal John J Lanigan, Sr (27 out of 34 patents)

silverMedal Myron Glickman (24 out of 26 patents)

bronzeMedal Daniel Brian Zakula, Sr (21 out of 22 patents)

4.  John J Lanigan, Jr (14 out of 16 patents)

5.  Harvey Edward Schmidt (13 out of 15 patents)

6.  James A Baumann (13 out of 18 patents)

7.  Martin C Conneally (9 out of 10 patents)

8.  William P Lanigan (7 out of 18 patents)

9.  Eric Brian Van Gorp (6 out of 6 patents)

10.  Kenneth E Svihlik (5 out of 5 patents)

11.  Bernard A Ermel (5 out of 5 patents)

12.  Peter W Mirabella (4 out of 13 patents)

13.  Antonio Carlos Callado Souza (4 out of 4 patents)

14.  Jason Schmidt (4 out of 4 patents)

15.  Matthew M Moran (4 out of 4 patents)


Core Competencies:
Container Securement
Gantry Crane
Inventory Tracking
Latching Device
Hoist System
Electric Power System
Dynamic Sensor System
Load Lifting Device
Crane Trolley
Distribution System
Sway Control
Cargo Security

76 patents:

1. 11752924 - Latching device and method for automatic securement of a container to a container chassis (2023-09-12),
2. 11685353 - Systems and method for securement of a container to a vehicle having a brake system (2023-06-27),
3. 10882543 - Profile detection method (2021-01-05),
4. 10351149 - Rail car lifting device (2019-07-16),
5. 10294044 - Port lift beam system (2019-05-21),
6. 10196242 - Crane trolley and hoist position homing and velocity synchronization (2019-02-05),
7. 10077061 - Profile detection system and method (2018-09-18),
8. 9987934 - Electric power system for one or more electric cranes (2018-06-05),
9. 9969318 - Locking system for securing a container (2018-05-15),
10. 9909851 - Automatically aligning chassis guides (2018-03-06),
11. 9809358 - Self-latching interbox connector for automatic securement of a top container to a bottom container (2017-11-07),
12. 9802526 - Latching system for automatic securement of a container to a container chassis (2017-10-31),
13. 9701472 - Chassis stacker (2017-07-11),
14. 9574363 - System and method of handling chassis (2017-02-21),
15. 9505555 - Chassis stacker (2016-11-29),
Mi-Jack Products, Inc. is a leading manufacturer and service provider of industrial cranes and heavy lifting equipment. With over 60 years of experience, Mi-Jack offers a range of innovative solutions for diverse industries including ports, railroads, mining, construction, and intermodal terminals. Their portfolio includes rubber-tired gantry cranes, rail-mounted gantry cranes, industrial cranes, straddle carriers, and mobile equipment. Mi-Jack is dedicated to providing reliable and efficient equipment to meet the specific needs of their customers.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Mi-Jack Products, Inc.
76 Patents

#1 in Hazel Crest, IL

#271 in Illinois

#4,837 in US

#9,873 in the World

Hazel Crest, IL (US)
Hazel Crest, IL, United States of America

Mi-Jack Products, Inc.

Forward Citations = 848

55 inventors:

goldMedal John J Lanigan, Sr (27 out of 34 patents)

silverMedal Myron Glickman (24 out of 26 patents)

bronzeMedal Daniel Brian Zakula, Sr (21 out of 22 patents)

4.  John J Lanigan, Jr (14 out of 16 patents)

5.  Harvey Edward Schmidt (13 out of 15 patents)

Please report any incorrect information to [email protected]
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