John Dennis Hilgren

This inventor holds 20 USPTO granted patents and 2 published patent applications, plus 3 CIPO patents and 6 EPO patents, primarily in Food Processing Technology. Top assignees: Ecolab Inc., Ecolab USA Inc.. Active years: 2000-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Dennis Hilgren. Retrieved from https://idiyas.com/inventor/john-dennis-hilgren

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

USPTO Granted Patents = 20 (Patent Applications = 2)

% Patents Active = 75.0

CIPO Patents = 3

EPO Patents = 6 (Patent Applications = 3)

Average Co-Inventor Count = 3.6

ph-index = 13

Forward Citations = 638(Granted Patents)

Location History:

Shorview, MN (US) (2000)
Shoreview, MN (US) (2003 - 2019)

Company Filing History:

Years Active: 2000-2019

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Areas of Expertise:

Microbial Growth Inhibition

Food Transport

Poultry Processing

Peroxycarboxylic Acid

Antimicrobial Compositions

Food Processing Effluent

Peroxygen Solutions

Skin Washing

Pathogenic Organisms Control

Medium Chain Acids

Cleaning Apparatus

Food Safety

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10342231 - Method and composition for inhibition of microbial growth in aqueous food transport and process streams (2019-07-09),

2. 9254400 - Method for processing peroxygen solutions (2016-02-09),

3. 9247738 - Method and composition for inhibition of microbial growth in aqueous food transport and process streams (2016-02-02),

4. 8424493 - Method and composition for washing poultry during processing (2013-04-23),

5. 8246429 - Apparatus and method for cleaning poultry (2012-08-21),

6. 8128976 - Methods for washing poultry during processing with medium chain peroxycarboxylic acid compositions (2012-03-06),

7. 8124132 - Method and composition for inhibition of microbial growth in aqueous food transport and process streams (2012-02-28),

8. 8020520 - Method and composition for washing poultry during processing (2011-09-20),

9. 7832360 - Method and composition for washing poultry during processing (2010-11-16),

10. 7638067 - Food processing effluent refurbishing system and method (2009-12-29),

11. 7504123 - Methods for washing poultry during processing with medium chain peroxycarboxylic acid compositions (2009-03-17),

12. 7498051 - Methods for washing poultry during processing with medium chain peroxycarboxylic acid compositions (2009-03-03),

13. 7381439 - Method and composition for washing poultry during processing (2008-06-03),

14. 7316824 - Method and composition for washing poultry during processing (2008-01-08),

15. 7288274 - Method for cleaning poultry (2007-10-30),

Title: Innovations and Contributions of John Dennis Hilgren

Introduction: John Dennis Hilgren, based in Shoreview, MN, is a prolific inventor with an impressive portfolio of 20 patents. His work has significantly impacted the field of microbial growth control in food processing, showcasing his commitment to innovation and practicality in industrial applications.

Latest Patents: Hilgren's latest inventions include groundbreaking methods and compositions for inhibiting microbial growth in aqueous food transport and process streams. This invention relates to compositions that incorporate peroxyacetic acid and peroxyoctanoic acid, specifically designed to prevent microbial growth in aqueous streams utilized for transporting or processing food products. Another recent patent focuses on a multi-step method for processing peroxygen solutions, which utilizes an enzyme and a reducing agent for either reuse or disposal. These inventions reflect his dedication to enhancing food safety and processing efficiency.

Career Highlights: Throughout his career, John Hilgren has made notable contributions to the field, particularly during his tenure at Ecolab Inc. and Ecolab USA Inc. His experience at these leading companies has allowed him to develop practical solutions that address significant industry challenges.

Collaborations: Hilgren has had the opportunity to collaborate with esteemed colleagues such as Timothy A. Gutzmann and Joy Ann Salverda. These collaborations have undoubtedly enriched his innovative endeavors and contributed to his success as an inventor.

Conclusion: John Dennis Hilgren’s extensive patent portfolio and his contributions to microbial growth inhibition in food processing showcase his innovation and commitment to improving safety in food transport and processing. His work continues to inspire new advancements in the industry, solidifying his legacy as a prominent inventor in his field.

Profile summary based on public USPTO records.