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For the Inventor, By the Inventor

Fairview, OR, United States of America

Cascade Corporation


USPTO Granted Patents = 140

% Expired Patents = 2.9



Trademarks = 28

Forward Citations = 1,451

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91 inventors (with patents filed for the assignee):

goldMedal Richard D Seaberg (22 out of 22 patents)

silverMedal Pat S McKernan (14 out of 14 patents)

bronzeMedal John E Olson (12 out of 13 patents)

4.  David W Petronek (11 out of 11 patents)

5.  Gregory A Nagle (11 out of 11 patents)

6.  Brian Sinclair White (10 out of 10 patents)

7.  Christopher M Walthers (9 out of 9 patents)

8.  Stanley E Farmer (9 out of 11 patents)

9.  Glenn Steven Prentice (8 out of 8 patents)

10.  Harry F Weinert (8 out of 8 patents)

11.  Andrea Dal Dosso (7 out of 7 patents)

12.  Dean Clark Jordan (6 out of 6 patents)

13.  Brent G Running (5 out of 5 patents)

14.  Lawrence E Richards (5 out of 5 patents)

15.  D Clark Jordan (5 out of 5 patents)


Core Competencies:
Clamp Force Control
Hydraulic Systems
Load Handling
Lift Trucks
Material Handling
Wireless Power Transfer
Multi-Axis Gripping
Adaptive Clamping
Fork Positioner
Depth Detection
Rotator Braking System
Clamping Attachments

140 patents:

1. 12643779 - Extended swing frame roll clamp (2026-06-02),
2. 12643778 - Attachments for industrial material handling equipment (2026-06-02),
3. 12577091 - Synchronized hybrid clamp force controller for lift truck attachment (2026-03-17),
4. 12523679 - Depth detector systems (2026-01-13),
5. RE50500 - Equalized hydraulic clamp force control (2025-07-22),
6. 12145828 - Synchronized hybrid clamp force controller for lift truck attachment (2024-11-19),
7. 12065346 - Clamp force control system for lift truck attachment with secondary hydraulic force control circuit (2024-08-20),
8. 12024412 - Pivoting load-bearing assembly with force sensor (2024-07-02),
9. 11655130 - Synchronized hybrid clamp force controller for lift truck attachment (2023-05-23),
10. 11650596 - Load alignment aid (2023-05-16),
11. 11519697 - Lever based clamping device (2022-12-06),
12. 11407624 - Fork-carriage apparatus for a lift truck and valve assembly therefor (2022-08-09),
13. 11365104 - Attachments for industrial material handling equipment (2022-06-21),
14. RE49025 - Side-shift limiter (2022-04-11),
15. 11300441 - Equalized hydraulic clamp force control (2022-04-12),
Cascade Corporation is a global leader in the design, manufacture, and distribution of materials handling equipment and related technologies. With a comprehensive product portfolio and a strong commitment to innovation, Cascade offers a wide range of solutions for the efficient and safe handling of goods. Headquartered in Oregon, United States, Cascade has a global presence with manufacturing facilities, distribution centers, and a network of partners across the world.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Cascade Corporation
140 Patents

#1 in Fairview, OR

#34 in Oregon

#2,777 in US

#5,771 in the World

Fairview, OR (US)
Fairview, OR, United States of America

Cascade Corporation

Forward Citations = 1,451

91 inventors:

goldMedal Richard D Seaberg (22 out of 22 patents)

silverMedal Pat S McKernan (14 out of 14 patents)

bronzeMedal John E Olson (12 out of 13 patents)

4.  David W Petronek (11 out of 11 patents)

5.  Gregory A Nagle (11 out of 11 patents)

Please report any incorrect information to [email protected]
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