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For the Inventor, By the Inventor

Murrysville, PA, United States of America

Charles R Wiedrich

This inventor holds 17 USPTO granted patents. Top assignees: Ppg Industries, Inc., Ppg Industries Ohio, Inc.. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles R Wiedrich. Retrieved from https://idiyas.com/inventor/charles-r-wiedrich

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 350(Granted Patents)


Location History:

  • Barberton, OH (US) (1986)
  • Medina, OH (US) (1990)
  • Wadsworth, OH (US) (1989 - 1992)
  • Murrysville, PA (US) (1992 - 2000)
  • Export, PA (US) (2002)

Company Filing History:

goldMedal12 out of 2,825 
 
Ppg Industries, Inc.
 patents
silverMedal5 out of 1,788 
 
Ppg Industries Ohio, Inc.
 patents

Years Active: 1986-2002

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17 patents (USPTO):Explore Patents
1. 6423803 - Polymerizable polyol (allyl carbonate) compositions (2002-07-23),
2. 6077921 - Polymerizable polyol (allyl carbonate) compositions (2000-06-20),
3. 5973093 - Polymerizable polyol (allyl carbonate) composition (1999-10-26),
4. 5965680 - Optical resin composition from polyol((meth)acryloyl carbonate) monomer (1999-10-12),
5. 5952441 - Partially polymerized mixture of diethylene glycol (allyl carbonate) (1999-09-14),
6. 5811503 - Polymerizable composition (1998-09-22),
7. 5739243 - Polymerizable composition (1998-04-14),
8. 5427748 - Chemical feeder (1995-06-27),
9. 5384102 - Chemical feeder (1995-01-24),
10. 5106559 - Solid halogen-containing composition and method for producing same (1992-04-21),
11. 5089127 - Chemical feed apparatus (1992-02-18),
12. 5049385 - Solid halogen-containing composition and method for producing same (1991-09-17),
13. 5009806 - Calcium hypochlorite article (1991-04-23),
14. 4970020 - Calcium hypochlorite composition (1990-11-13),
15. 4927546 - Method for inhibiting growth of algae in recreational water (1990-05-22),

Title: Charles R Wiedrich: Pioneering Inventor from Murrysville, PA

Introduction: Charles R Wiedrich is a distinguished inventor hailing from Murrysville, Pennsylvania, known for his groundbreaking contributions to various fields.

Latest Patents: Charles R Wiedrich holds several patents in the areas of technology and engineering, showcasing his innovative mindset and problem-solving abilities.

Career Highlights: Throughout his illustrious career, Charles R Wiedrich has been recognized for his exceptional work in developing cutting-edge solutions that have had a significant impact on industries worldwide.

Collaborations: Charles R Wiedrich has collaborated with leading experts in the field, fostering a culture of innovation and creativity that has led to the development of revolutionary products and technologies.

Conclusion: Charles R Wiedrich's passion for innovation and his relentless pursuit of excellence continue to inspire aspiring inventors and shape the future of technological advancements.

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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