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For the Inventor, By the Inventor

Moorestown, NJ, United States of America

Opex Corporation


USPTO Granted Patents = 154

% Expired Patents = 1.3



Trademarks = 15

Forward Citations = 2,316

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78 inventors (with patents filed for the assignee):

goldMedal Robert R DeWitt (85 out of 86 patents)

silverMedal George L Hayduchok (41 out of 42 patents)

bronzeMedal Joseph Valinsky (36 out of 37 patents)

4.  Alexander Stevens (30 out of 30 patents)

5.  Albert F Stevens (18 out of 29 patents)

6.  Michael E York (18 out of 20 patents)

7.  William R Lile (17 out of 17 patents)

8.  Peter M Chezik (14 out of 14 patents)

9.  David Helmlinger (13 out of 13 patents)

10.  Mark A Stevens (11 out of 11 patents)

11.  Monty McVaugh (10 out of 11 patents)

12.  John M Allen (10 out of 74 patents)

13.  John R Forbes (9 out of 9 patents)

14.  Kerry Dennis O'Mara (9 out of 15 patents)

15.  Gary Michael Miller (7 out of 77 patents)


Core Competencies:
Automated Vehicles
Document Imaging
Material Handling
Inventory Management
Sorting Systems
Automatic Retrieval
Envelope Processing
Dynamic Configuration
Storage Systems
Safety Mechanisms
Delivery Vehicles
Feeding Mechanisms

154 patents:

1. 12691470 - Material handling apparatus for delivering or retrieving items (2026-07-28),
2. 12565392 - Method and apparatus for processing envelopes containing contents (2026-03-03),
3. 12448212 - Automated vehicle for use in inventory management system (2025-10-21),
4. 12275589 - Material handling system (2025-04-14),
5. 12246918 - Material handling apparatus with vehicle track for reducing vehicle damage (2025-03-11),
6. 12234093 - Method and apparatus for sorting or retrieving items (2025-02-25),
7. 12212722 - Document imaging apparatus with leading edge engagement for improved performance (2025-01-28),
8. 12172833 - Material handling system with automatic retrieval of sorted items (2024-12-24),
9. 12139361 - Feeder for feeding document to document imaging system and method for feeding documents (2024-11-12),
10. 12138662 - Document imaging apparatus with leading edge engagement for improved performance (2024-11-12),
11. 12134519 - Material handling system using a plurality of vehicles in a plurality of modes of operation (2024-11-05),
12. 12134110 - Material handling apparatus and method for automatic and manual sorting of items using a dynamically configurable sorting array (2024-11-05),
13. 12129121 - Systems and methods for managing inventory (2024-10-29),
14. 12115559 - Material handling apparatus and method for automatic and manual sorting of items using a dynamically configurable sorting array (2024-10-15),
15. 12103778 - Material handling apparatus having separate workstation and method of use (2024-10-01),
OPEX Corporation is a global technology leader providing innovative warehouse automation solutions. With over 40 years of experience, OPEX designs and manufactures intelligent material handling systems that streamline operations, increase productivity, and maximize efficiency. Their cutting-edge solutions include robotic systems, sortation systems, order fulfillment systems, and document scanning technologies. OPEX Corporation serves various industries, such as e-commerce, retail, logistics, healthcare, and financial institutions, helping them optimize their supply chain and improve customer satisfaction.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 29 2026

Opex Corporation
154 Patents

#1 in Moorestown, NJ

#121 in New Jersey

#2,568 in US

#5,305 in the World

Moorestown, NJ (US)
Moorestown, NJ, United States of America

Opex Corporation

Forward Citations = 2,316

78 inventors:

goldMedal Robert R DeWitt (85 out of 86 patents)

silverMedal George L Hayduchok (41 out of 42 patents)

bronzeMedal Joseph Valinsky (36 out of 37 patents)

4.  Alexander Stevens (30 out of 30 patents)

5.  Albert F Stevens (18 out of 29 patents)

Please report any incorrect information to [email protected]
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