Barrington, IL, United States of America

Virgil W Westdale

This inventor holds 15 USPTO granted patents, primarily in Electrophotographic Printing. Top assignees: Am International Incorporated, Addressograph Multigraph Corporation. Active years: 1978-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Virgil W Westdale. Retrieved from https://idiyas.com/inventor/virgil-w-westdale

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

Calculating rank

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 67(Granted Patents)

Location History:

Chagrin Falls, OH (US) (1978 - 1981)
Barrington, IL (US) (1982 - 1986)

Company Filing History:

12 out of 191

Am International Incorporated

patents

3 out of 138

Addressograph Multigraph Corporation

patents

Years Active: 1978-1986

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Areas of Expertise:

Lithographic Master

Single Component Toner

Polyamide Binder

Electrostatic Developer

Coated Carrier Particles

Pressure Fixing

Treated Carrier Particles

Magnetic Toner Device

Electroscopic Printing Powder

High Output Reproductions

Heat Fusible Toner

Electrophotography

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4612273 - Pressure fixing a single component toner with polyamide-rosin (1986-09-16),

2. 4612272 - Pressure fixing a single component toner with polyamide-rosin (1986-09-16),

3. 4612269 - Method of fabricating a lithographic master (1986-09-16),

4. 4514077 - Magnetic toner developing device (1985-04-30),

5. 4430413 - Method of making a single component toner (1984-02-07),

6. 4430407 - Heat fusible single component toner having a polyamide binder (1984-02-07),

7. 4430403 - Method of preparing a lithographic printing master (1984-02-07),

8. 4419959 - Magnetic toner retainer means (1983-12-13),

9. 4355088 - Polyethylene pressure fixable electroscopic printing powder and pressure (1982-10-19),

10. 4248954 - Coated carrier particles for use in electrophotographic process (1981-02-03),

11. 4248950 - Electrostatic developer mix containing either MoS.sub.2, TiS.sub.2, WS.sub. (1981-02-03),

12. 4167411 - Method for making reproductions of a graphic original from a high output (1979-09-11),

13. 4093459 - Treated carrier particles used in electrophotographic process (1978-06-06),

14. 4073980 - Chemically treated carrier particles for use in electrophotography (1978-02-14),

15. 4068017 - Coated carrier particles for use in electrophotographic process (1978-01-10),

Title: Virgil W Westdale: Innovative Patents and Pioneering Career

Introduction:

In the realm of innovations and patents, individuals like Virgil W Westdale leave an indelible mark with their groundbreaking inventions and intellectual contributions. Hailing from Barrington, IL (US), Westdale is a prolific inventor with an impressive portfolio of 15 patents to his name. This article delves into his latest patents, career highlights, notable collaborations, and the impact of his inventions.

Latest Patents:

A standout among Westdale's recent patents is the invention of a pressure fixable single component electrophotographic toner or developer composition. This groundbreaking composition combines a low melt viscosity polyamide resin composition with a magnetic oxide component, resulting in enhanced print quality and durability. Furthermore, the addition of highly conductive carbon ensures optimal control over the resistivity of the developer particles.

Another noteworthy patent by Westdale revolves around the fabrication of a lithographic printing master using electrophotographic principles. Leveraging his novel developer composition, this invention enables the creation of high-density, low background images, culminating in superior quality lithographic masters. The composition features a low melt viscosity polyamide resin composition, a magnetic oxide component, and a conductive carbon pigment.

Career Highlights:

Throughout his illustrious career, Virgil W Westdale has made significant contributions to renowned organizations in the industry. Notably, he has worked with companies such as AM International Incorporated and Addressograph Multigraph Corporation. His expertise and inventive spirit have undoubtedly played a vital role in driving technological advancements within these enterprises.

Collaborations:

Collaborations have been crucial to Westdale's success, facilitating the exchange of ideas and fostering innovative thinking. Among his noteworthy collaborators are James L Hanrahan and John Novotny. Working alongside these talented individuals, Westdale has undoubtedly benefited from the synergistic effect of shared expertise and creative problem-solving.

Conclusion:

Virgil W Westdale's innovative mindset and dedication to his craft have resulted in a remarkable array of patents in the field of electrophotography. His inventions, including the pressure fixable single component toner and the fabrication of lithographic masters, have proven to be cutting-edge contributions. As he continues to push boundaries, Westdale's work stands as a testament to the power of human ingenuity in shaping the world of innovations and patents.

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]