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For the Inventor, By the Inventor

Owatonna, MN, United States of America

Harold R McGregor

This inventor holds 24 USPTO granted patents, primarily in Bag Filling Technology. Top assignees: Slidell, Inc., Other. Active years: 1977-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harold R McGregor. Retrieved from https://idiyas.com/inventor/harold-r-mcgregor

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 24

% Patents Active = 95.8

Average Co-Inventor Count = 1.2

ph-index = 10

Forward Citations = 311(Granted Patents)


Location History:

  • Wadena, MN (US) (1977)
  • Owatanna, MN (US) (1984)
  • Qwatanna, MN (US) (1986)
  • Owatonna, MN (US) (1979 - 2002)

Company Filing History:

goldMedal5 out of 7 
 
Slidell, Inc.
 patents
silverMedal19 out of 834,708 
Other
 patents

Years Active: 1977-2002

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Areas of Expertise:
Bag Filling
Bulk Bagging
Dust-Tight Spout
Bag Handling
Vertical Auger
Weighing Apparatus
Gusset Control
Automatic Hanger
Vibrating Hopper
Tag Feeding
Stabilizing Mechanism
Filling Apparatus
24 patents (USPTO):Explore Patents
1. 6470921 - Rotary flow control device for bag filling machines (2002-10-29),
2. 6134864 - Bag handling mechanism (2000-10-24),
3. 6112504 - Bulk bagging machine (2000-09-05),
4. 6003289 - Gussett control apparatus and method for bag filling machine (1999-12-21),
5. 5979512 - Top-off and weighing apparatus for filling bags (1999-11-09),
6. 5819509 - Bag shouldering and deaerating apparatus (1998-10-13),
7. 5768863 - Gusset control mechanism for bag closing machines (1998-06-23),
8. 5413157 - Bag filling apparatus having dust-tight spout (1995-05-09),
9. 5349996 - Bag filling apparatus having dust-tight spout (1994-09-27),
10. 5327947 - Vertical auger type bag filler having a vibrating bowl with inverted (1994-07-12),
11. 5238032 - Product settler having vertically movable rollers (1993-08-24),
12. 5191920 - Z-belt type lifting and stabilizing mechanism for vertical bag filling (1993-03-09),
13. 5113918 - Vertical bottom-fill auger assembly (1992-05-19),
14. 5113917 - Vertical bottom-fill auger assembly (1992-05-19),
15. 5109894 - Vertical bottom-fill auger assembly (1992-05-05),

Title: Innovations by Harold R. McGregor

Introduction

Harold R. McGregor, an inventive force located in Owatonna, MN, has made significant contributions to the field of bag filling machinery with an impressive portfolio of 24 patents. His dedication to innovation has led to the development of solutions that enhance both efficiency and granularity in various industrial processes.

Latest Patents

Among his latest patents is the "Rotary flow control device for bag filling machines." This innovative device enables controlled flow of particulate materials, optimizing the filling process. It features a unique design that includes a stationary plate with flow openings and a rotating plate that shears off extruded materials to ensure a consistent fill. Another notable invention is the "Bag handling mechanism," which integrates gusset pleat gripping assemblies into a bag filling machine. This mechanism allows for the effective opening of gusseted bags, thereby maximizing the material-receiving area as granular materials are dispensed.

Career Highlights

Throughout his career, Harold has demonstrated expertise in developing advanced machinery for various applications. His innovative designs have not only streamlined operations but have also set new industry standards in bag filling technology. His patents reflect a commitment to improving manufacturing processes and product handling.

Collaborations

Harold has collaborated with talented individuals such as James R. McGregor and Kurt Bernard Snaza, enhancing the creative process through shared expertise and knowledge. Additionally, his professional associations with companies, including Slidell, Inc., highlight his role in the application of innovative solutions within the industry.

Conclusion

Harold R. McGregor's contributions to the field of inventions surrounding bag filling machinery underscore his status as a prominent innovator. Through his 24 patents, he has significantly impacted efficiency and functionality in the industry. His ongoing dedication to research and development continues to pave the way for future advancements in this essential sector.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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