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Easton, PA, United States of America

Si Handling Systems, Inc.

USPTO Granted Patents = 64

Trademarks = 4

Forward Citations = 1,375

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47 inventors (with patents filed for the assignee):

Peter H Rohrbach (6 out of 7 patents)

Charles E Jacoby (6 out of 8 patents)

Barry L Ziegenfus (5 out of 9 patents)

4. Craig F Sleep (5 out of 5 patents)

5. William L Brown (5 out of 5 patents)

6. Per E Lindquist (5 out of 5 patents)

7. Russell H Scheel (4 out of 9 patents)

8. Vercoe C Jones (3 out of 3 patents)

9. Robert A Hale (3 out of 3 patents)

10. Katsuhiro Nagahori (3 out of 3 patents)

11. James L Thatcher (3 out of 3 patents)

12. David A Clark (2 out of 2 patents)

13. James Werkheiser (2 out of 2 patents)

14. Phillip N Ross (2 out of 2 patents)

15. Larry L Reagan (2 out of 2 patents)

Core Competencies:

Automated Order Filling

Integrated Order Selection

Sortation Systems

Driverless Vehicles

Vehicle Precision Location

Conveyor Systems

Traffic Control Devices

Speed Control Apparatus

Material Handling

Tugger Vehicles

Intelligent Vehicle Technology

Article Handling

64 patents: Sort by Forward Citations

1. 6505093 - Automated order filling method and system (2003-01-07),

2. 6208908 - Integrated order selection and distribution system (2001-03-27),

3. 5977501 - Sortation and sequencing system (1999-11-02),

4. 5720157 - Automatic order selection system and method of operating (1998-02-24),

5. 4817000 - Automatic guided vehicle system (1989-03-28),

6. 4798147 - Drive wheel adjuster for driverless vehicle (1989-01-17),

7. 4782760 - Vehicle precision location assembly (1988-11-08),

8. 4718350 - Small lightweight driverless vehicle (1988-01-12),

9. 4691641 - Vehicle accumulation system (1987-09-08),

10. 4664036 - Conveyor having curved track section (1987-05-12),

11. 4646649 - Driverless vehicle with floating mounted substrate, and precision (1987-03-03),

12. 4628823 - Vehicle speed control transition module and method (1986-12-16),

13. 4620280 - Intelligent driverless vehicle (1986-10-28),

14. 4619204 - Driverless tugger vehicle and system (1986-10-28),

15. 4612861 - Driverless tugger vehicle (1986-09-23),

SI Handling Systems, Inc. is a leading provider of material handling solutions. Established in 1963, the company specializes in the design and manufacturing of innovative custom material handling equipment, including automated systems, conveyors, lifts, and storage solutions. With a dedicated team of experts and state-of-the-art facilities, SI Handling Systems delivers efficient and reliable solutions to various industries such as automotive, aerospace, food and beverage, pharmaceutical, and more. Their commitment to quality, safety, and customer satisfaction has made them a trusted partner for companies seeking cutting-edge material handling solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

64 Patents

#8 in Easton, PA

#211 in Pennsylvania

#5,438 in US

#11,000 in the World

Easton, PA, United States of America

Si Handling Systems, Inc.

Forward Citations = 1,375

47 inventors:

Peter H Rohrbach (6 out of 7 patents)

Charles E Jacoby (6 out of 8 patents)

Barry L Ziegenfus (5 out of 9 patents)

4. Craig F Sleep (5 out of 5 patents)

5. William L Brown (5 out of 5 patents)

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