Inver Grove Heights, MN, United States of America

Vaughn B Grannis

This inventor holds 16 USPTO granted patents, primarily in Respiratory Protection. Top assignee: 3M Innovative Properties Company. Active years: 1991-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Vaughn B Grannis. Retrieved from https://idiyas.com/inventor/vaughn-b-grannis

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

Calculating rank

USPTO Granted Patents = 16

% Patents Active = 87.5

Average Co-Inventor Count = 4.0

ph-index = 13

Forward Citations = 729(Granted Patents)

Company Filing History:

16 out of 22,435

3M Innovative Properties Company

patents

Years Active: 1991-2009

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Areas of Expertise:

Fibrous Filtration

Face Mask

Unidirectional Fluid Valve

Exhalation Valve

Respirator

Full-Face Lens

Filter Element

Buckle

Heat Exchanger

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7493900 - Fibrous filtration face mask having a new unidirectional fluid valve (2009-02-24),

2. 7428903 - Fibrous filtration face mask having a new unidirectional fluid valve (2008-09-30),

3. 7311104 - Method of making a filtering face mask that has an exhalation valve (2007-12-25),

4. 7117868 - Fibrous filtration face mask having a new unidirectional fluid valve (2006-10-10),

5. 6854463 - Filtering face mask that has a new exhalation valve (2005-02-15),

6. 6843248 - Filtering face mask that has a new exhalation valve (2005-01-18),

7. 6216693 - Respirator having a compressible press fir filter element (2001-04-17),

8. D426298 - Full-face respirator lens (2000-06-06),

9. 5924420 - Full face respirator mask having integral connectors disposed in lens (1999-07-20),

10. D409744 - Full face respirator lens (1999-05-11),

11. D388872 - Full face respirator lens (1998-01-06),

12. D379160 - Buckle (1997-05-13),

13. D378610 - Full face respirator (1997-03-25),

14. 5509436 - Unidirectional fluid valve (1996-04-23),

15. 5325892 - Unidirectional fluid valve (1994-07-05),

Title: Vaughn B Grannis - Pioneering Inventor from Inver Grove Heights

Introduction: Vaughn B Grannis is a distinguished inventor hailing from Inver Grove Heights, Minnesota. With a passion for innovation and a keen eye for problem-solving, he has made significant contributions to the field of inventions.

Latest Patents: Vaughn B Grannis holds several patents in various industries, showcasing his versatility and creativity in inventing new solutions to existing challenges. His latest patents focus on cutting-edge technologies that are shaping the future.

Career Highlights: Throughout his illustrious career, Vaughn B Grannis has been recognized for his groundbreaking inventions that have had a lasting impact. His innovative spirit and dedication to pushing the boundaries of what is possible have earned him a reputation as a trailblazer in the world of inventions.

Collaborations: Vaughn B Grannis has collaborated with leading companies, research institutions, and fellow inventors to bring his ideas to life. His ability to work effectively in teams and leverage the expertise of others has been instrumental in the success of his inventions.

Conclusion: In conclusion, Vaughn B Grannis stands as a visionary inventor whose ingenuity and passion for innovation have led to the creation of groundbreaking technologies. His contributions to the world of inventions continue to inspire future generations of inventors to think outside the box and pursue their creative ideas.

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]